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Investing Terms

Investing has more jargon than almost any corner of personal finance: asset classes, fund structures, account types, market measures, and the acronyms layered on top of all of it. These terms cover the vocabulary you meet when you put money to work in markets: what things are, how they behave, and what they cost.

The stakes of understanding it are practical, not academic. Most expensive investing mistakes start as vocabulary problems: confusing a fund with the account that holds it, or a return figure with the return you actually keep. Each definition below is written in plain English with a worked example, so the words stop being a barrier to good decisions.

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Essential investing terms

All investing terms, A–Z

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  • 0% Long-Term Capital Gains Rate Coming soon

    The 0% capital gains bracket lets taxpayers whose taxable income falls below a set threshold pay no federal tax at all on long-term capital gains — a planning window for realizing gains in low-income years.

  • 10-K Coming soon

    A 10-K is a detailed annual financial report that public companies must file with the U.S. Securities and Exchange Commission, covering their finances, risks, and operations.

  • 10b5-1 Plan Coming soon

    A 10b5-1 plan is a preset schedule that lets company insiders buy or sell their own stock automatically over time, providing a legal defense against accusations of trading on inside information.

  • 12b-1 Fee Coming soon

    A 12b-1 fee is an ongoing charge deducted from a mutual fund's assets to pay for marketing, distribution, and sometimes broker compensation, reducing your return every year it applies.

  • 110 Minus Age Rule Coming soon

    The 110 minus age rule is a rough guideline that subtracts your age from 110 to estimate the percentage of your portfolio to hold in stocks — a 40-year-old, for example, would hold about 70 percent.

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  • Call Option Coming soon

    A call option is a contract giving its holder the right to buy a security at a set price before a set date, typically used to profit from or hedge against a price increase.

  • Callable Bond Coming soon

    A callable bond is a bond that the issuer can repay early, before its maturity date, often when interest rates fall and it can refinance more cheaply.

  • Cap Rate Coming soon

    The cap rate (capitalization rate) is a rental property's annual net operating income divided by its purchase price, a quick yardstick for comparing investment returns.

  • Capital Call Coming soon

    A capital call is a request from a fund for investors to send in money they previously committed, so it can be put to work.

  • Capital Gain Coming soon

    A capital gain is the profit you make when you sell an investment or other asset for more than you paid for it, generally taxable in the year you sell.

  • Capital Gains Distribution Coming soon

    A capital gains distribution is a payment a mutual fund makes to shareholders when it sells holdings at a profit, taxable to you in a taxable account even if you reinvest it and never sold your own shares.

  • Capital Gains Tax

    Capital gains tax is the tax on profit from selling an asset for more than you paid. Assets held over one year get preferential long-term rates of 0%, 15%, or 20%; assets held a year or less are taxed as ordinary income.

  • Capital Loss Coming soon

    A capital loss is the loss you realize when you sell an investment for less than you paid, which can offset capital gains and a limited amount of ordinary income for tax purposes.

  • Capital Loss Carryover Coming soon

    A capital loss carryover is the unused portion of investment losses that exceeds what you can deduct this year, carried forward to offset gains and income in future tax years.

  • Carried Interest Coming soon

    Carried interest is the share of a fund's profits that its managers keep as compensation, often taxed as capital gains.

  • Cash Account Coming soon

    A cash account is a brokerage account in which you must pay in full for every investment you buy, without borrowing from the broker.

  • Cash Equivalents Coming soon

    Cash equivalents are very safe, short-term holdings — such as money market funds and Treasury bills — that can be converted to cash almost instantly with little risk of losing value.

  • Cash Management Account Coming soon

    A cash management account is a brokerage account that combines checking-like features with competitive interest, typically sweeping cash to partner banks for FDIC coverage.

  • Cash-Secured Put Coming soon

    An options strategy where an investor sells a put and keeps enough cash on hand to buy the shares if assigned, collecting a premium in exchange for that obligation.

  • Central Bank Digital Currency Coming soon

    A central bank digital currency is a digital form of a nation's official money, issued and backed directly by its central bank.

  • Charles Schwab Coming soon

    Charles Schwab is a large brokerage and financial services company offering investment accounts, funds, and advisory services to individual investors.

  • Checkbook IRA Coming soon

    A checkbook IRA is a self-directed IRA setup that gives the owner direct control to write checks for investments through a legal entity the IRA owns.

  • Circuit Breaker Coming soon

    A circuit breaker is an automatic, temporary halt in stock market trading triggered when prices fall by preset amounts, designed to slow panic selling.

  • Clearing House Coming soon

    A clearing house is the intermediary that sits between buyers and sellers in securities markets, guaranteeing that trades settle even if one side fails to deliver.

  • Closed-End Fund Coming soon

    A closed-end fund is a fund that raises money once by issuing a fixed number of shares that then trade on an exchange, often at prices above or below the value of the fund's underlying holdings.

  • Closet Indexing Coming soon

    Closet indexing is when a fund charges active-management fees while holding a portfolio that closely mirrors its benchmark index, delivering index-like returns at a much higher cost.

  • Cold Wallet Coming soon

    A cold wallet is a cryptocurrency wallet kept offline for greater security, used to store assets over the long term.

  • Collectibles Coming soon

    Collectibles investing is buying physical items like coins, cards, or memorabilia hoping they gain value; gains on collectibles are taxed at a higher rate than most investments.

  • Collective Investment Trust Coming soon

    A pooled investment offered mainly inside employer retirement plans, similar to a mutual fund but typically lower-cost and available only to institutional investors.

  • Commission-Free Trading Coming soon

    Commission-free trading is the ability to buy and sell securities without paying a per-trade fee, though brokerages typically still earn money in other ways, such as payment for order flow.

  • Commodities Coming soon

    Commodities are basic raw materials such as oil, metals, and grains that are traded on markets and sometimes used to diversify a portfolio.

  • Commodity ETF Coming soon

    An exchange-traded fund that gives investors exposure to physical goods like gold, oil, or crops, often through futures contracts rather than by holding the goods directly.

  • Compound Annual Growth Rate Coming soon

    Compound annual growth rate (CAGR) is the single steady yearly rate that would take an investment from its starting value to its ending value over a period, smoothing out year-to-year swings.

  • Concentrated Stock Position Coming soon

    A concentrated stock position is when a large share of your wealth is tied up in a single company's stock, which increases risk because your finances rise and fall with that one investment.

  • Concentration Risk

    Concentration risk is the risk that comes from having too much riding on one thing. It is a property of a household's whole position rather than of any security, which is why it can hide in a portfolio that looks diversified on paper.

  • Confirmation Bias

    Confirmation bias is the tendency to look for, notice and give weight to evidence that supports what you already believe. The failure is usually in the search rather than in the reasoning, which is why it survives in careful people.

  • Consolidated Tax Statement Coming soon

    A combined year-end tax form from a brokerage that gathers several 1099 types — such as dividends, interest, and sale proceeds — into one document.

  • Consumer Confidence Index Coming soon

    The Consumer Confidence Index is a survey-based measure of how optimistic households feel about the economy and their finances, which can hint at future spending.

  • Consumer Price Index (CPI)

    The Consumer Price Index is the Bureau of Labor Statistics measure of how prices paid by urban consumers change over time. There is no single "the CPI", because BLS publishes several versions of it, and three different ones govern federal tax brackets, the Social Security increase, and Series I savings bond rates.

  • Contango Coming soon

    A market condition where futures for later delivery cost more than the current spot price, a pattern common in commodity markets.

  • Convertible Bond Coming soon

    A convertible bond is a corporate bond that the holder can exchange for a set number of the company's shares, blending the steady interest of a bond with the upside of stock.

  • Core Inflation Coming soon

    Core inflation is a measure of inflation that leaves out volatile food and energy prices to reveal the underlying trend.

  • Core-and-Satellite Portfolio Coming soon

    A core-and-satellite portfolio builds most of its value around low-cost, broadly diversified index funds (the core) and adds smaller targeted positions (the satellites) for specific opportunities or interests.

  • Corporate Bond

    A corporate bond is a loan to a company, repaid with interest on a stated schedule. Buying one means buying two things at once: a rate of interest, and a judgment about whether that particular company will still be paying.

  • Corrected 1099 Coming soon

    A revised 1099 tax form issued when the original held errors, often arriving after brokerages finalize reclassified income.

  • Correlation Coming soon

    Correlation measures how closely two investments move together — combining assets that don't move in lockstep is the foundation of diversification.

  • Cost Basis

    Cost basis is what you are treated as having paid for an asset, and it is the figure subtracted from a sale price to produce a taxable gain or loss. The number that actually does that job is the adjusted basis, because basis changes over time.

  • Cost of Living

    Cost of living is the amount of money needed to cover basic expenses (housing, food, transportation, healthcare, and taxes) in a particular place at a particular time.

  • Coupon Rate Coming soon

    A coupon rate is the fixed annual interest rate a bond pays, expressed as a percentage of the bond's face value.

  • Covered Call Coming soon

    A covered call is an options strategy of selling call options on stock you already own, collecting income in exchange for capping your upside if the stock rises past the option's strike price.

  • Creation Unit Coming soon

    A large block of ETF shares — often tens of thousands — that authorized participants create or redeem with the fund in a single transaction.

  • Credit Risk Coming soon

    Credit risk is the possibility that a borrower or bond issuer fails to make its promised payments, causing investors to lose interest or principal.

  • Crossover Point Coming soon

    The crossover point is the moment when income from your investments exceeds your living expenses, meaning your money earns more than you spend.

  • Crowdfunded Investments Coming soon

    Investment crowdfunding is raising money for a company from many small investors online, each receiving a share of ownership or a stake.

  • Crypto Allocation Coming soon

    Crypto allocation is the share of an investment portfolio held in cryptocurrency, a decision that balances its growth potential against its high volatility.

  • Crypto Cost Basis Coming soon

    Crypto cost basis is the original amount you paid for a cryptocurrency, including fees, used to calculate the taxable gain or loss when you later sell or trade it.

  • Crypto Custody Coming soon

    Crypto custody is how a cryptocurrency's private keys are stored and safeguarded, whether by the owner directly through self-custody or by a third party such as an exchange.

  • Crypto Estate Planning Coming soon

    Crypto estate planning is arranging for your cryptocurrency to be found and transferred to your heirs after death, since assets with lost private keys can become permanently inaccessible.

  • Crypto Exchange Coming soon

    A crypto exchange is an online platform where people buy, sell, and trade cryptocurrencies.

  • Crypto in Retirement Accounts Coming soon

    Crypto in retirement accounts refers to holding cryptocurrency inside a tax-advantaged account such as an IRA, which is possible through certain providers but carries added custody, volatility, and cost concerns.

  • Crypto Lending Coming soon

    Crypto lending is depositing cryptocurrency with a platform that pays interest by lending it out, carrying the risk that the platform fails and the deposit is lost.

  • Crypto Mining Coming soon

    Crypto mining is using computer power to validate blockchain transactions and create new coins, with the miner earning newly issued cryptocurrency as a reward.

  • Crypto Tax-Loss Harvesting Coming soon

    Crypto tax-loss harvesting is selling cryptocurrency that has dropped in value to realize a loss that can offset other gains, potentially lowering your tax bill.

  • Crypto Taxes

    Crypto taxes are the federal income tax rules that apply to digital assets. Because the IRS treats them as property rather than currency, every disposal is a taxable event, basis must be tracked wallet by wallet, and broker reporting is phasing in on two different dates.

  • Crypto Wallet Coming soon

    A crypto wallet is a tool that stores the digital keys needed to access and manage your cryptocurrency.

  • Crypto Winter Coming soon

    A crypto winter is an extended period of sharply falling cryptocurrency prices and low investor interest, similar to a prolonged bear market.

  • Cryptocurrency

    A cryptocurrency is a digital asset recorded on a cryptographically secured distributed ledger and issued by no government or bank. Despite the name, federal tax law treats it as property rather than currency, and it sits outside both deposit insurance and most brokerage customer protection.

  • Currency Devaluation Coming soon

    Currency devaluation is a drop in a currency's value against others, which makes a country's imports pricier and its exports cheaper.

  • Currency Hedged Fund Coming soon

    A fund that invests in foreign assets while using contracts to offset exchange-rate movements, aiming to isolate the underlying return from currency swings.

  • Currency Risk Coming soon

    Currency risk is the chance that exchange rate movements reduce the value of your foreign investments when translated back into your home currency.

  • Current Yield Coming soon

    Current yield is a bond's annual interest payment divided by its current market price, showing the income return at today's price.

  • Custodial vs. Non-Custodial Wallet Coming soon

    A custodial wallet has a third party hold your crypto's private keys for you, while a non-custodial wallet leaves you in sole control of the keys and the responsibility for keeping them safe.

  • Custodian

    A custodian is the institution that holds your assets, keeps the records, settles the transactions, and sends you the statements. It does not choose the investments and does not guarantee their value, and inside a retirement account the tax code treats it as a trustee.

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  • Factor Investing Coming soon

    Factor investing targets characteristics — such as value, size, quality, or momentum — that research links to higher long-run returns, rather than picking individual stocks.

  • Farmland Investing Coming soon

    Farmland investing is putting money into agricultural land to earn income from farming and potential appreciation of the land itself.

  • Federal Funds Rate

    The federal funds rate is what banks charge each other for borrowing overnight. The Federal Reserve does not set it directly: it sets a target range and steers the market rate inside it, eight scheduled times a year.

  • Federal Reserve

    The Federal Reserve is the central bank of the United States. Congress gave it three statutory goals, it calls the mandate "dual" for a reason it explains itself, and its one numerical target is 2 percent inflation measured on a price index that is not the CPI.

  • Fidelity Coming soon

    Fidelity is a large financial services firm offering brokerage accounts, mutual funds, retirement plans, and other investment products to individuals and employers.

  • Fill or Kill Order Coming soon

    A fill-or-kill order is an instruction to buy or sell a security that must be completed in full immediately or canceled entirely.

  • First In First Out Coming soon

    First in, first out (FIFO) is a cost basis method that treats your oldest shares as the ones sold first, which often means realizing larger gains on long-held investments.

  • Fiscal Policy Coming soon

    Fiscal policy is the government's use of taxing and spending decisions to steer the economy. It is set by Congress and the President, separate from the central bank.

  • Fixed Income Coming soon

    Fixed income is the investment category of bonds and similar securities that pay set interest on a schedule, generally offering steadier returns and lower risk than stocks.

  • Flash Crash Coming soon

    A flash crash is a sudden, severe drop in securities prices that reverses within minutes or hours, often driven by automated trading rather than fundamental news.

  • Floating Rate Note Coming soon

    A floating rate note is a bond whose interest rate adjusts periodically with a benchmark rate, so its payments rise and fall with market interest rates.

  • FOMO Investing Coming soon

    FOMO investing is buying an asset out of fear of missing out on gains others seem to be making, rather than on sound analysis.

  • Form 1099-B Coming soon

    Form 1099-B is the form your broker sends reporting proceeds from sales of stocks, bonds, and other securities — the raw material for calculating capital gains and losses on your return.

  • Form 1099-DIV Coming soon

    Form 1099-DIV reports the dividends and capital gain distributions your investments paid you during the year, including how much qualifies for lower tax rates.

  • Fractional Ownership Coming soon

    Fractional ownership is an arrangement in which several people each own a share of a property and split its use and expenses in proportion to their stake.

  • Fractional Shares Coming soon

    Fractional shares are portions of a single share of a stock or ETF, letting investors buy into expensive securities with small dollar amounts.

  • Free Riding Violation Coming soon

    A free riding violation occurs when an investor buys a security in a cash account and sells it before paying for the purchase, which securities rules prohibit.

  • Front-End Load Coming soon

    A front-end load is a sales commission deducted from your money at the time you buy mutual fund shares, so less than your full purchase amount is actually invested.

  • Fully Paid Lending Coming soon

    Fully paid securities lending is a program in which a broker lends out shares you fully own and shares the resulting fee with you, in exchange for your taking on certain risks.

  • Fund Fact Sheet Coming soon

    A fund fact sheet is a short summary document, usually updated quarterly, that shows a fund's holdings, performance, fees, and strategy at a glance.

  • Fund of Funds Coming soon

    An investment fund that holds other funds rather than individual securities, offering built-in diversification but often adding a second layer of fees.

  • Fundamental Analysis Coming soon

    Fundamental analysis is the practice of valuing an investment by studying the underlying business — its earnings, debts, competitive position, and prospects — rather than its price chart.

  • Futures Contract Coming soon

    A futures contract is an agreement to buy or sell an asset at a set price on a specific future date, used both to hedge against price swings and to speculate on them.

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  • Hard Fork Coming soon

    A hard fork is a permanent split in a blockchain into two separate versions when the network's rules change and not everyone adopts the update, sometimes creating a new coin.

  • Hardware Wallet Coming soon

    A hardware wallet is a physical device that stores cryptocurrency keys offline, a common form of cold wallet.

  • Hedge Fund Coming soon

    A hedge fund is a pooled investment fund that uses a wide range of strategies to seek returns, typically open only to wealthier, accredited investors.

  • Herd Mentality

    Herd mentality is the tendency to do what other people are visibly doing rather than what your own information suggests. The economics of it is more unsettling than the folk version, because following the crowd can be the individually rational move and still produce a collectively wrong answer.

  • Hindsight Bias Coming soon

    Hindsight bias is the tendency to see a past outcome as having been obvious all along, which makes luck and skill nearly impossible to tell apart after the fact.

  • HODL Coming soon

    HODL is a crypto slang term, born from a misspelling of "hold," for keeping a cryptocurrency through price swings rather than selling.

  • Holding Period Return Coming soon

    Holding period return is the total return on an investment over the time you held it, combining price change and any income like dividends or interest.

  • Home Country Bias Coming soon

    Home country bias is the tendency of investors to hold far more of their own country's stocks than a globally diversified portfolio would call for.

  • Hot Wallet Coming soon

    A hot wallet is a cryptocurrency wallet connected to the internet, convenient for frequent use but more exposed to hacking.

  • House Flipping Coming soon

    House flipping is buying a property, renovating it, and reselling it fairly quickly with the goal of earning a profit on the improvements and resale.

  • Housing Affordability Coming soon

    Housing affordability measures whether typical households can reasonably afford homes in an area, comparing home prices and mortgage costs against local incomes.

  • Housing Bubble Coming soon

    A housing bubble is a period when home prices rise far above what incomes and rents can justify, driven by speculation, and eventually risk a sharp fall.

  • HSA Investment Coming soon

    HSA investing means putting the money in a health savings account into stocks, funds, or other investments so it can grow tax-free rather than sitting in cash.

  • Hyperinflation Coming soon

    Hyperinflation is extremely rapid, out-of-control price increases that quickly destroy the value of a currency.

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  • Junk Bond Coming soon

    A junk bond is a corporate bond rated below investment grade, paying higher interest to compensate investors for a greater chance the issuer defaults.

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  • Nasdaq Coming soon

    The Nasdaq is an electronic U.S. stock exchange and the family of indexes bearing its name, best known for the technology-heavy Nasdaq Composite.

  • National Debt Coming soon

    The national debt is the total amount a national government owes its lenders, built up over years of borrowing to cover budget deficits.

  • Net Asset Value Coming soon

    Net asset value (NAV) is the per-share value of a fund, calculated by dividing the total value of its holdings, minus liabilities, by the number of shares outstanding.

  • Net Investment Income Tax Coming soon

    The net investment income tax (NIIT) is a 3.8% federal surtax on investment income — interest, dividends, capital gains, and similar — for taxpayers whose income exceeds statutory thresholds.

  • Net Present Value Coming soon

    Net present value is the difference between the current value of an investment's expected future cash flows and its cost, used to judge whether the investment is worthwhile.

  • NFT Coming soon

    A non-fungible token, or NFT, is a unique digital certificate on a blockchain that proves ownership of a specific item, such as digital art.

  • No-Load Fund Coming soon

    A no-load fund is a mutual fund sold without a sales commission, so your entire investment goes to work rather than partly paying a broker.

  • Nominal Return

    A nominal return is an investment's stated percentage gain or loss in plain dollars, before adjusting for inflation, taxes, or fees: the number quoted on statements, in ads, and in headlines.

  • Non-Traded REIT Coming soon

    A non-traded REIT is a real estate investment trust that is not listed on a stock exchange, making it harder to sell and value than publicly traded REITs.

  • Not Your Keys Not Your Coins Coming soon

    The phrase "not your keys, not your coins" warns that if someone else, such as an exchange, holds the private keys to your cryptocurrency, you do not truly control it and could lose it if that party fails.

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  • Panic Selling

    Panic selling is selling investments because their prices are falling rather than because anything in the plan changed. It is an action rather than a bias, and the expensive half of it is not the sale but the decision about when to buy back.

  • Paper Hands and Diamond Hands Coming soon

    The slang terms "paper hands" and "diamond hands" describe investors who sell an asset quickly under pressure versus those who hold on through volatility, and are common in crypto and meme-stock communities.

  • Paper Savings Bonds Coming soon

    Paper savings bonds are physical U.S. Treasury bonds issued on paper; most are no longer sold this way, though paper Series I bonds can still be bought with a federal tax refund.

  • Passive Investing

    Passive investing is an approach in which the investor declines to bet on which securities will do well or on when to be in the market, and instead holds broad, rules-based holdings and keeps holding them. It describes the investor's behavior rather than the product, which is why a portfolio built entirely from index funds can still be run actively.

  • Pattern Day Trader Rule Coming soon

    The pattern day trader rule requires anyone who makes frequent same-day trades in a margin account to keep a minimum account balance of 25,000 dollars.

  • Pay Transparency Coming soon

    Pay transparency is the practice of openly sharing salary ranges or pay information, which can help workers understand their market value and address pay gaps.

  • Payment for Order Flow Coming soon

    Payment for order flow is compensation a brokerage receives for routing its customers' trades to particular market makers, a practice that helps fund commission-free trading but creates a potential conflict of interest.

  • Peer-to-Peer Lending Coming soon

    Peer-to-peer lending uses online platforms that let individuals lend money directly to other people or small businesses for interest, bypassing banks.

  • Penny Stock Coming soon

    A penny stock is a very low-priced stock of a small company, typically trading for a few dollars or less, known for high volatility and vulnerability to manipulation.

  • Personal Consumption Expenditures Index Coming soon

    The Personal Consumption Expenditures Index is a government measure of the prices people pay for goods and services, and the Federal Reserve's preferred gauge of inflation.

  • PFIC Coming soon

    A passive foreign investment company, or PFIC, is a foreign-based pooled investment such as many overseas mutual funds that US owners must report under complex and often punitive tax rules.

  • Pig Butchering Scam Coming soon

    A pig butchering scam is a long con in which a fraudster builds a relationship over time to lure the victim into a fake investment, often involving cryptocurrency.

  • Ponzi Scheme

    A Ponzi scheme is an investment fraud in which the returns paid to existing investors come from money contributed by new ones rather than from any real profit. The account statements are not optimistic, they are invented, which is what distinguishes it from a bad investment.

  • Portfolio Coming soon

    A portfolio is the full collection of investments a person or institution owns, viewed and managed as a whole.

  • Portfolio Margin Coming soon

    Portfolio margin is a method that sets borrowing requirements based on the overall risk of an investor's entire portfolio rather than each position separately, generally available only to sophisticated, well-funded accounts.

  • Pre-Market Trading Coming soon

    Pre-market trading is buying and selling securities before the regular stock market opens, often with less volume and larger price swings than during regular hours.

  • Precious Metals IRA Coming soon

    A precious metals IRA is a self-directed retirement account that holds physical gold, silver, or other approved metals instead of stocks and funds.

  • Preferred Stock Coming soon

    Preferred stock is a class of company ownership that typically pays fixed dividends and ranks ahead of common stock for payouts, but usually carries no voting rights.

  • Premium to NAV Coming soon

    When a fund's market price trades above the value of its underlying holdings, meaning buyers are paying more than the assets themselves are worth.

  • Price Return Coming soon

    Price return is the change in an investment's market price over a period, ignoring dividends and interest — which is why it understates what a long-term investor actually earned.

  • Price Target Coming soon

    A price target is an analyst's forecast of where a stock's price is likely to go, used to judge its potential upside or downside.

  • Price-to-Earnings Ratio Coming soon

    The price-to-earnings (P/E) ratio compares a company's stock price to its earnings per share, giving a rough gauge of how expensive the stock is relative to the profit it generates.

  • Prime Money Market Fund Coming soon

    A prime money market fund is a money market fund that holds short-term corporate debt in addition to government securities, typically paying a slightly higher yield with slightly more risk than a government-only fund.

  • Prime Rate Coming soon

    The prime rate is the interest rate banks charge their most creditworthy customers, used as a starting point for pricing many credit cards and consumer loans.

  • Private Activity Bond Coming soon

    A private activity bond is a municipal bond that finances projects benefiting private entities; its interest is sometimes taxable and can be subject to the alternative minimum tax.

  • Private Credit Coming soon

    Private credit is lending to companies by non-bank investors and funds rather than through traditional banks or public bond markets.

  • Private Equity Coming soon

    Private equity is investment in companies that are not publicly traded, often involving buying, improving, and later selling those businesses.

  • Private Key Coming soon

    A private key is a secret string of characters that proves ownership of a cryptocurrency wallet and lets its holder authorize transactions; anyone who has it controls the funds.

  • Private Placement Coming soon

    A private placement is the sale of securities directly to a small group of selected investors rather than to the general public.

  • Program-Related Investment Coming soon

    An investment a foundation makes mainly to advance its charitable mission rather than to earn a return, such as a low-interest loan to a nonprofit.

  • Progressive Tax Coming soon

    A progressive tax is one where the rate rises as income rises, so higher earners pay a larger share of each additional dollar — the design behind the U.S. federal income tax.

  • Prohibited Transaction Coming soon

    A prohibited transaction is a dealing inside a retirement account that the IRS bans, such as using the account for personal benefit, which can trigger taxes and penalties.

  • Proof of Stake Coming soon

    Proof of stake is a method blockchains use to confirm transactions by choosing validators based on the amount of cryptocurrency they lock up, using far less energy than proof of work.

  • Proof of Work Coming soon

    Proof of work is a method blockchains use to confirm transactions by having computers compete to solve difficult math puzzles, which secures the network but consumes large amounts of energy.

  • Prospect Theory Coming soon

    Prospect theory is the model of how people actually decide under risk, weighing a loss more heavily than an equivalent gain and judging every outcome against a reference point rather than in absolute terms.

  • Prospectus Coming soon

    A prospectus is the legal document an investment issuer must provide to investors, describing the security's objectives, risks, fees, and other essentials before they buy.

  • Protective Put Coming soon

    An options strategy where an investor who owns a stock buys a put on it to cap potential losses, working somewhat like insurance on the position.

  • Proxy Voting Coming soon

    Proxy voting is casting a vote on company matters as a shareholder without attending the meeting in person, typically by submitting a ballot in advance.

  • Pump and Dump Coming soon

    A pump and dump is a scheme where fraudsters hype a stock to inflate its price, then sell their shares and leave other investors with losses.

  • Purchasing Power Coming soon

    Purchasing power is how much a unit of money can actually buy. Inflation erodes it over time, so the same dollar buys less.

  • Put Option Coming soon

    A put option is a contract giving its holder the right to sell a security at a set price before a set date, typically used to profit from or protect against a price decline.

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  • S&P 500

    The S&P 500 is a float-adjusted, capitalization-weighted index of 500 large U.S. companies, published by S&P Dow Jones Indices. Its constituents are chosen by a committee rather than ranked mechanically, and the headline number quoted in the news excludes dividends.

  • Sales Load Coming soon

    A sales load is a commission charged when you buy or sell certain mutual fund shares, paid to the broker or advisor who sold you the fund.

  • Sales Tax Coming soon

    Sales tax is the state and local tax added to the price of goods and some services at the point of purchase, collected by the seller and passed to the government.

  • Satoshi Coming soon

    A satoshi is the smallest unit of bitcoin, equal to one hundred-millionth of a single bitcoin, named after bitcoin's pseudonymous creator.

  • Schedule D (Form 1040) Coming soon

    Schedule D is the Form 1040 attachment summarizing your capital gains and losses from selling investments and other assets, separating short-term from long-term for their different tax treatment.

  • Secondary Market Coming soon

    The secondary market is where investors buy and sell securities from each other after the original issuance — everyday stock trading on an exchange happens here, not with the issuing company.

  • Sector Fund Coming soon

    A sector fund is a fund that concentrates its holdings in one industry, such as technology or healthcare, offering targeted exposure with less diversification than a broad-market fund.

  • Securities Act of 1933 Coming soon

    A federal law requiring companies that sell securities to the public to register them and disclose key financial facts, aimed at preventing fraud in offerings.

  • Securities Exchange Act of 1934 Coming soon

    A federal law that regulates trading of securities after they are issued and created the Securities and Exchange Commission to oversee the markets.

  • Securities Fraud Coming soon

    Securities fraud is the illegal deception of investors in connection with stocks, bonds, or other investments, such as spreading false information or running schemes that misrepresent an investment's value or risk.

  • Securities Investor Protection Corporation Coming soon

    The Securities Investor Protection Corporation (SIPC) is a nonprofit that restores customers' missing cash and securities, up to set limits, when a brokerage firm fails — it does not protect against investment losses.

  • Securities Lending Coming soon

    Securities lending is temporarily lending out stocks or bonds, often to short sellers, in exchange for a fee, a practice brokerages commonly use with the securities they hold.

  • Security (Investment) Coming soon

    A security is a tradable financial instrument that carries monetary value, such as a stock, bond, or fund share.

  • Seed Phrase Coming soon

    A seed phrase is a list of ordinary words, usually twelve or twenty-four, that backs up a crypto wallet and can restore access to it if the device is lost, so it must be kept private and secure.

  • Self-Directed IRA Coming soon

    A self-directed IRA lets you invest in a wider range of assets, such as real estate or private companies, beyond the usual stocks and funds.

  • Seller's Market Coming soon

    A seller's market is a housing market with more buyers than available homes, which tends to push prices up and give sellers the upper hand.

  • Separately Managed Account Coming soon

    A separately managed account (SMA) is a professionally managed portfolio of individual securities owned directly by one investor, rather than pooled shares of a fund.

  • Sequence of Returns Risk

    Sequence of returns risk is the danger that the order of investment returns, not just their average, damages a portfolio you're withdrawing from. Poor markets in the first years of retirement force you to sell more shares to fund the same spending, and the portfolio may never recover even if returns later improve.

  • Series EE Savings Bond Coming soon

    A Series EE savings bond is a U.S. savings bond that earns a fixed interest rate and is guaranteed to at least double in value if held for 20 years.

  • Series I Savings Bond

    A Series I savings bond is a US Treasury savings bond whose interest rate has two parts, a fixed rate set for the life of the bond and an inflation component that resets every six months. It is built to track inflation rather than be eroded by it, and its nominal value cannot fall.

  • Settlement Date Coming soon

    The settlement date is the day a securities trade becomes final, when the buyer's cash and the seller's shares actually change hands — shortly after the trade date under the market's standard settlement cycle.

  • Share Buyback Coming soon

    A share buyback is a company's repurchase of its own stock from the market, which reduces the number of shares outstanding and can raise the value of the remaining shares.

  • Share Class Coming soon

    A share class is one of several versions of the same company's stock or the same mutual fund, differing in features such as voting rights, fees, or minimum investment.

  • Shareholder Meeting Coming soon

    A shareholder meeting is a gathering where a company's owners vote on major decisions such as electing board members and hear from management.

  • Sharpe Ratio Coming soon

    The Sharpe ratio measures an investment's return relative to its risk, showing how much reward was earned for each unit of volatility taken on.

  • Short Selling Coming soon

    Short selling is a strategy of borrowing shares and selling them in hopes of buying them back later at a lower price, profiting if the stock falls — with potentially unlimited losses if it rises instead.

  • Short-Term Capital Gains Coming soon

    Short-term capital gains are profits from selling investments held one year or less, taxed at the same rates as your ordinary income rather than the lower long-term rates.

  • Shrinkflation Coming soon

    Shrinkflation is when companies reduce the size or quantity of a product while keeping the price the same, a hidden form of price increase.

  • Silver Investing Coming soon

    Silver investing is putting money into silver as a precious metal, valued both as a store of wealth and for its industrial uses.

  • SIPC Protection Coming soon

    SIPC protection covers the custody of cash and securities held at a failing brokerage firm, up to statutory limits, returning your holdings rather than reimbursing losses. It protects you if the broker fails, not if your investments fall in value.

  • Sitting in Cash Coming soon

    Cash drag is the performance you give up when part of a portfolio sits in cash earning less than it likely would if invested — a hidden cost of waiting on the sidelines.

  • Slippage Coming soon

    Slippage is the difference between the price you expect on a trade and the price at which it actually executes, common in fast-moving or thinly traded markets.

  • Small-Cap Stock

    A small-cap stock is a share in a company at the smaller end of the public market by market capitalization. There is no fixed boundary: FINRA says in terms that there are no fixed cutoff points, and index providers define their size segments by how much of a market they cover rather than by a dollar figure.

  • Smart Contract Coming soon

    A smart contract is self-executing code on a blockchain that automatically carries out an agreement when set conditions are met.

  • Social Security Solvency Coming soon

    Social Security solvency refers to whether the program's trust funds and incoming taxes can cover the benefits it has promised over the long term.

  • Social Security Trust Funds Coming soon

    The Social Security Trust Funds are the government accounts that hold payroll taxes collected for Social Security and from which benefits are paid.

  • Socially Responsible Investing Coming soon

    Socially responsible investing (SRI) is an approach that screens investments to align a portfolio with the investor's ethical or social values, often excluding industries such as tobacco or weapons.

  • SOFR Coming soon

    SOFR, the Secured Overnight Financing Rate, is a benchmark interest rate based on overnight lending in U.S. Treasury markets that replaced LIBOR for pricing many loans.

  • Soft Landing Coming soon

    A soft landing is when a central bank slows the economy just enough to cool inflation without tipping it into a recession.

  • Sophisticated Investor Coming soon

    An investor deemed to have enough knowledge and experience to weigh an investment's risks, a status that can allow participation in certain private offerings.

  • SPAC Coming soon

    A SPAC is a shell company that raises money through a public offering for the sole purpose of merging with a private company, giving that firm a faster route to going public.

  • Specific Share Identification Coming soon

    Specific share identification is a cost basis method in which you choose exactly which shares to sell, giving you control over the size of the taxable gain or loss each sale creates.

  • Sports Cards Coming soon

    Sports card investing is buying athletes' trading cards hoping they appreciate as collectibles.

  • Spot Bitcoin ETP

    A spot bitcoin ETP is an exchange-traded product that holds bitcoin itself and trades on a stock exchange like a share. The name in common use is spot bitcoin ETF, while the SEC's own approval order calls it an ETP, and the difference is which law the product is registered under and therefore which investor protections apply.

  • Stable Value Fund Coming soon

    A stable value fund is a conservative retirement plan investment that aims to preserve principal and deliver steady, bond-like returns, using insurance contracts to smooth out market swings.

  • Stablecoin Coming soon

    A stablecoin is a cryptocurrency designed to hold a steady value by being pegged to an asset such as the U.S. dollar.

  • Stagflation Coming soon

    Stagflation is an economy that has high inflation, slow growth, and high unemployment at the same time.

  • Staking Coming soon

    Staking is locking up cryptocurrency to help operate a blockchain network in exchange for rewards, somewhat like earning interest, though the rewards are generally treated as taxable income.

  • Standard Deviation Coming soon

    Standard deviation is a statistical measure of how widely an investment's returns swing around their average — the higher it is, the more volatile the investment.

  • Standard of Living

    Standard of living is the level of material comfort a person or household can sustain: the housing, food, healthcare, transportation, and leisure their income and wealth actually support.

  • Stock

    A stock is a security representing part ownership of a company. What the owner holds is a claim on the company's assets and earnings that ranks behind every creditor, which is why the return has no fixed ceiling and why the investment can also end at zero.

  • Stock Screener Coming soon

    A stock screener is a tool that filters stocks by criteria such as price, size, or dividend yield to help investors find ones that meet their goals.

  • Stock Split Coming soon

    A stock split divides each existing share of a company into multiple shares, lowering the price per share without changing the total value of what you own.

  • Stockbroker

    A stockbroker is the everyday name for a licensed securities salesperson, formally a registered representative of a broker-dealer, who buys and sells investments for customers. The classic commission-per-trade stockbroker has largely given way to app-based trading and advice-branded roles.

  • Stop-Loss Order Coming soon

    A stop-loss order is an instruction to sell a security automatically if its price falls to a level you set, intended to limit losses on a position.

  • Strike Price Coming soon

    A strike price is the fixed price at which an employee stock option lets you buy shares of company stock, regardless of the stock's current market value.

  • Structured Products Coming soon

    Structured products are complex investments built by combining bonds with options or other derivatives to produce a specific payoff pattern.

  • Student Loan Payoff vs. Invest Coming soon

    This is the common decision of whether to put extra money toward paying off student loans faster or to invest it instead, which hinges on interest rates, taxes, and risk tolerance.

  • Style Drift Coming soon

    Style drift happens when a fund gradually strays from its stated investment approach — say, a small-cap value fund quietly loading up on large growth stocks — leaving investors with a portfolio they didn't sign up for.

  • Supply and Demand Coming soon

    Supply and demand is the basic economic force in which the price of something is shaped by how much of it is available and how much people want it.

  • Survivorship Bias Coming soon

    Survivorship bias is the distortion that creeps into performance data when failed funds or companies quietly disappear from the record, making the surviving group's average results look better than investors actually experienced.

  • Sweep Account Coming soon

    A sweep account automatically moves idle cash into an interest-earning or insured holding, so uninvested money is never sitting completely unproductive.

  • Swing Trading Coming soon

    Swing trading is a strategy of holding securities for several days or weeks to profit from short-term price swings, sitting between day trading and long-term investing.

T

U

  • Unemployment Rate Coming soon

    The unemployment rate is the share of people who are actively looking for work but cannot find a job, expressed as a percentage of the labor force.

  • Unit Investment Trust Coming soon

    A pooled investment that holds a fixed basket of securities for a set period and then dissolves, unlike a mutual fund that trades its holdings actively.

  • Unrealized Gain Coming soon

    An unrealized gain is the increase in value of an investment you still own — profit that exists on paper but is generally not taxed until you sell.

  • Unregistered Investment Coming soon

    An unregistered investment is a security sold without the registration or exemption that securities law normally requires, which removes standard disclosures and is a common feature of investment scams.

V

W

Y

  • Yield Coming soon

    Yield is the income an investment pays out — interest or dividends — expressed as a percentage of its current price or your cost.

  • Yield Curve Coming soon

    The yield curve is a chart plotting the interest rates on bonds of the same quality across different maturities, from short-term bills to long-term bonds — its shape is widely watched as an economic signal.

  • Yield Farming Coming soon

    Yield farming is a high-risk crypto strategy of moving digital assets between lending and trading platforms to chase the highest possible returns, often paid in additional tokens.

  • Yield to Maturity Coming soon

    Yield to maturity is the total annualized return you would earn by holding a bond until it matures, accounting for its price, interest payments, and repayment of principal.

Z

  • Zero-Commission Broker Coming soon

    A zero-commission broker is a brokerage that charges no direct fee to buy or sell stocks, often earning revenue in other ways such as payment for order flow.

  • Zero-Coupon Bond Coming soon

    A zero-coupon bond pays no periodic interest and is instead sold for less than its face value, paying the full amount at maturity; the built-in gain is generally taxable each year even before it is received.

  • Zero-Days-to-Expiration Options Coming soon

    Options contracts that expire on the same day they are traded, carrying extreme price swings and high risk over a very short window.

The decisions behind these terms

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