What Is a Brokerage Account? Definition and Types

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A brokerage account is an investment account opened with a licensed broker-dealer that lets you deposit money, buy and sell securities such as stocks, bonds, exchange-traded funds (ETFs) and mutual funds, and hold those securities in your name. The firm executes your orders, keeps custody of the assets and reports your activity. The cash and investments belong to you, not to the broker. In most cases you pay tax on the income and gains they produce unless the account is a tax-advantaged retirement account.

The term covers a wide range of products. Brokerage accounts differ by the firm’s service model (full-service, discount or online, robo-advisor), by account mechanics (cash or margin), and by tax treatment (a standard taxable account or an IRA). A complete description of any account includes all three.

How a brokerage account works

You open the account, fund it with cash, and then place orders through the broker’s website, app or a representative. When an order fills, the security is recorded in your account and the cost, plus any commission or fee, comes out of your cash balance. When you sell, the proceeds go back into the account’s cash balance, not directly into your bank account. To spend that money, you request a withdrawal, usually by ACH transfer or wire to a linked bank account.

Several things happen inside the account between those steps.

Settlement. A trade executes immediately, but ownership and cash formally change hands on the settlement date. For most US stocks, ETFs and corporate bonds, the standard cycle is one business day after the trade date (T+1). Until a sale settles, the proceeds may show in your balance and still be unavailable for withdrawal.

Income. Dividends from stocks and funds and interest from bonds are paid into the account as cash, or reinvested automatically if you choose that setting. Uninvested cash is often swept into a bank deposit program or money market fund, and the yield on it varies from broker to broker.

Custody and record-keeping. Most brokers hold customer securities in “street name,” which means the shares are registered to the firm on behalf of its customers while the broker’s books show you as the beneficial owner. You still receive dividends, proxy materials and statements. The broker also sends year-end tax forms (in the US, Form 1099 for taxable accounts) that summarize dividends, interest and realized gains and losses.

Transfers. You can move an account to another US broker without selling your holdings. Transfers between firms generally run through the Automated Customer Account Transfer Service (ACATS), and the receiving broker usually starts the request.

What the balances mean

A brokerage statement usually shows several figures that look alike but do different jobs:

• Cash balance: settled cash available to invest or withdraw.
• Market value of positions: what your holdings would be worth at current prices.
• Total account value: cash plus market value, minus any margin loan.
• Buying power: how much you can buy right now. In a cash account it roughly equals settled cash. In a margin account it can be a multiple of your equity, which is borrowing capacity rather than money you own.

Confusing buying power with account value causes problems. Using all of a margin account’s buying power means taking on debt.

Cash accounts vs. margin accounts

Every broker offers at least a cash account. A margin account is an add-on that requires an application, a signed margin agreement and usually a minimum level of equity.

Cash account

In a cash account you pay for every purchase in full with deposited money. You cannot borrow from the broker, sell short or use options strategies that require margin. Brokers do commonly allow basic options trades such as buying calls and puts, subject to approval. The most you can lose on a long stock position is the amount you paid for it.

Cash accounts have their own settlement rule. If you buy a security with unsettled proceeds from a sale and then sell the new position before those funds settle, the broker can flag a “good faith violation.” Repeated violations can lead to temporary restrictions on the account.

Margin account

A margin account lets you borrow from the broker using the securities in the account as collateral. The loan can increase position size, fund short sales or support more complex options strategies. You pay interest on the borrowed amount, and the rate is set by the broker, usually on a tiered schedule by loan size.

Two requirements govern the loan in US stock accounts:

• Initial margin: under the Federal Reserve’s Regulation T, you can generally borrow up to 50% of the purchase price of eligible stocks.
• Maintenance margin: after purchase, your equity must stay above a minimum percentage of the position’s market value. FINRA sets a floor of 25%, and many brokers set higher “house” requirements, especially for volatile or concentrated positions.

If equity falls below the maintenance level, the broker issues a margin call. You must deposit cash or securities, or sell positions. The margin agreement also gives the broker the right to sell your securities without waiting for you, and in fast markets it can do so before you respond.

FINRA’s pattern day trader rule applies to margin accounts. Anyone who makes four or more day trades within five business days (if those trades make up more than 6% of total trades in that window) is treated as a pattern day trader and must keep at least $25,000 in equity to continue day trading.

Worked example: when does a margin call hit?

Hypothetical figures, for illustrating the mechanics only.

An investor deposits $10,000 in a margin account and buys $20,000 of a stock, borrowing $10,000 from the broker. Assume the broker’s maintenance requirement is 25% and ignore interest and fees.

Equity is the market value minus the loan:

Equity = V − L, where V is the position’s market value and L is the loan.

A margin call is triggered when equity divided by market value drops below the maintenance rate m:

(V − L) / V < m, which rearranges to V < L / (1 − m)

With L = $10,000 and m = 0.25:

V < $10,000 / 0.75 = $13,333

The position can lose about a third of its value (from $20,000 to roughly $13,333) before the call. At that point the investor’s equity is about $3,333, so a 33% drop in the stock has wiped out roughly two-thirds of the original $10,000. In a cash account, the same 33% drop on a $10,000 position would have cost about $3,300.

If the broker’s house requirement were 40% instead, the trigger would be $10,000 / 0.60 = $16,667, a decline of only about 17%. Loan interest lowers equity over time and moves the trigger closer. Leverage magnifies gains in the same proportion, which is the reason people use it.

Types of brokerage firms and service models

Account mechanics describe what the account can do. The service model describes who makes the decisions and how you pay for it.

Full-service brokers

Full-service firms pair clients with a financial advisor who helps build an investment plan, executes trades, monitors holdings and often handles broader wealth management work such as retirement, estate and tax planning. Large wirehouses and bank-owned brokerages work this way.

Advisors work in one of two ways:

• Nondiscretionary: the advisor recommends and you approve each transaction.
• Discretionary: the advisor can trade without asking first, within the mandate you agreed to.

The fee arrangement decides how the advisor is paid.

• Commission-based accounts charge a fee on each purchase or sale, whether you or the advisor came up with the idea and whether the trade made money.
• Fee-based (advisory) accounts charge an annual percentage of assets, commonly cited in the range of about 0.5% to 2%, and in exchange do not charge commissions on trades.

Full-service accounts generally require higher minimums. The compensation model affects what you pay over many years, so agree on it at the start. For example, a hypothetical 1% annual fee on a $200,000 account comes to $2,000 a year before any fund expenses.

Discount and online brokers

Discount brokers offer execution, custody, research and tools, but no personal advice. They cost much less than full-service firms. Most now operate mainly through websites and mobile apps, so “discount broker” and “online broker” now describe largely the same group of firms.

Commission-free online trading in stocks, ETFs and options began in 2013, and many established brokers later dropped their own commissions on those products. Minimum deposits at many online brokers can be as low as $0. “Commission-free” does not mean free of cost, though. Depending on the broker, charges can still apply to:

• options contracts (a per-contract fee at some firms),
• foreign or thinly traded stocks,
• futures, cryptocurrency and other specialized products,
• secondary-market bond trades (new-issue Treasuries are often commission-free),
• broker-assisted trades, wires, paper statements and outgoing account transfers,
• margin interest.

Brokers that do not charge commissions earn revenue in other ways. These include payment for order flow (PFOF), where a market maker pays the broker, typically a fraction of a cent per share, for routing customer orders to it. Other sources are margin interest and the spread between what the broker earns on customers’ uninvested cash and what it pays them.

Self-directed accounts also put the risk of execution on you. Low-volume stocks may have wide bid-ask spreads and too little liquidity to get in or out at the expected price.

Robo-advisors

Robo-advisors are brokerage accounts in which an algorithm builds and maintains the portfolio. You answer a questionnaire about goals, time horizon and risk tolerance, and the platform assigns one of its predefined portfolios, usually built from ETFs or mutual funds. It then rebalances automatically, and some services also harvest tax losses in taxable accounts.

Fees are typically an annual percentage of assets, often cited at around 0.25% to 0.50%, or a flat monthly or annual subscription. Fund expense ratios are charged on top. Minimums range from $0 to several thousand dollars depending on the provider. Some services add access to human advisors for a higher fee. Robo-advisors suit beginners and hands-off investors, but they limit investment choice: you generally cannot pick individual stocks or trade actively inside the managed account.

Regional firms

Regional brokerages fall between full-service and discount firms. They act as both broker-dealers and advisors and focus on personal, often local, relationships. They may require a substantial minimum deposit and tend to serve clients with somewhat higher net worth. Their costs are generally below those of the largest full-service firms but above those of online brokers.

Standard brokerage accounts vs. IRA brokerage accounts

A standard brokerage account (also called a taxable or individual brokerage account) has no tax advantages. In exchange it has no restrictions on how much you deposit, when you withdraw or what you use the money for.

The main tax rules for a US taxable account:

• Dividends and interest are taxable in the year you receive them, even if they are reinvested.
• Selling an investment for more than its cost realizes a capital gain. Gains on assets held longer than one year are taxed at long-term capital gains rates. Gains on assets held one year or less are taxed as ordinary income.
• Realized losses can offset gains, and a limited amount of excess losses can offset other income each year.
• Unrealized gains are not taxed until you sell.

An IRA brokerage account is a retirement account held at a broker. The investments are similar, but the tax treatment differs:

• Traditional IRA: contributions may be tax-deductible, investments grow tax-deferred, and withdrawals are taxed as ordinary income.
• Roth IRA: contributions are made with after-tax money, and qualified withdrawals, including earnings, are tax-free.
• Annual contribution limits apply, and withdrawals of earnings before age 59½ generally trigger income tax and a 10% penalty unless an exception applies.
• Trades inside the IRA do not create taxable events in the year they happen.

You can hold both kinds of account at once, and an IRA can be opened even if you already have a workplace plan such as a 401(k), although income limits affect Roth eligibility and the deductibility of traditional contributions.

Other tax-advantaged brokerage accounts include 529 education savings plans and health savings accounts with an investment option, each with its own rules.

Ownership registrations

A brokerage account is also defined by who owns it:

• Individual account: one owner. A transfer-on-death beneficiary designation can often be added.
• Joint account: two or more owners, commonly as joint tenants with rights of survivorship, so the surviving owner inherits the account directly.
• Custodial account (UGMA/UTMA): an adult manages assets that legally belong to a minor until the minor reaches the age set by state law.
• Trust, corporate and partnership accounts: opened for an entity, with documentation of who has authority to trade.

The registration determines who can trade, who receives tax forms and what happens to the assets when an owner dies.

Brokerage account vs. bank account and other accounts

Bank account. A checking or savings account holds cash deposits and offers payment tools such as debit cards and checks. Deposits at FDIC-insured banks are covered up to $250,000 per depositor, per bank, per ownership category. A brokerage account holds securities as well as cash, and its value moves with the market. Some brokers offer cash management features such as debit cards, check writing and direct deposit, but the cash still sits in a brokerage account unless it has been swept to a partner bank, in which case FDIC coverage may apply to the swept portion.

Forex and futures trading accounts. On a forex site, “broker account” often means a retail currency trading account. In the US those accounts are held with firms registered with the CFTC and members of the NFA. They trade leveraged currency positions rather than securities and are not covered by SIPC. Futures accounts are held at futures commission merchants under similar rules.

Insurance products. A life insurance policy, including one with cash value, is not a brokerage account, even if a variable policy invests in sub-accounts. Fixed annuities are insurance contracts too, and SIPC does not cover them.

Protection: what SIPC does and doesn’t cover

The Securities Investor Protection Corporation (SIPC) is a nonprofit, member-funded organization. If a member broker-dealer fails and customer assets are missing, SIPC works to return customers’ securities and cash, up to $500,000 per customer per firm, including up to $250,000 in cash. Accounts held in different legal capacities, such as an individual account and an IRA, can qualify as separate customers.

SIPC does not cover:

• losses from falling prices or poor investment choices,
• commodity futures, currency (forex) positions and fixed annuities,
• investments that are not registered securities, such as many crypto assets.

SEC rules also require broker-dealers to keep customer securities and cash separate from the firm’s own assets, so customer property can usually be returned even when the firm fails. Many brokers buy additional “excess SIPC” insurance beyond the statutory limits. The terms of that coverage depend on the firm.

Choosing a brokerage account

No single brokerage account is best for everyone. The right choice depends on the job you need it to do:

1. Who decides. Choose a full-service advisor or robo-advisor if you want to hand off decisions, or a discount or online broker if you pick investments yourself.
2. Products. Buy-and-hold investors need ETFs, mutual funds and possibly fractional shares. Active traders look at options, futures, advanced order types, research tools and execution quality.
3. Tax wrapper. Retirement money generally belongs in an IRA or workplace plan first. Money you may need sooner fits a taxable account.
4. Cash or margin. Start with a cash account unless you have a specific reason to borrow, short or run options strategies that need margin.
5. Total cost. Include advisory or robo fees, fund expense ratios, options contract fees, margin rates, the interest paid on cash and transfer-out charges, not only commissions.
6. The firm. Confirm the broker-dealer’s registration and disciplinary record through FINRA BrokerCheck, and its SIPC membership through SIPC’s member list.

Limitations of a brokerage account

• Market risk is yours. Unlike FDIC-insured deposits, securities can lose value, and no account type or protection scheme prevents that.
• Taxes reduce returns in taxable accounts. Frequent trading turns gains into short-term income and adds to record-keeping.
• Cash is not instant. Settlement, withdrawal holds on new deposits and transfer times delay access.
• Leverage can exceed your deposit. A sharp move in a margin account can cost more than the cash you put in.
• Costs vary. Zero-commission pricing still leaves spreads, PFOF routing, cash yields and product-specific fees.

FAQs

The Bottom Line

Anyone opening an account to invest should define it by three choices: service model, cash or margin, and taxable or IRA. Start with a cash account unless you have a specific reason to borrow, and put retirement money in an IRA or workplace plan first. Compare total costs beyond commissions, and confirm the firm through FINRA BrokerCheck and SIPC's member list.