Margin Account vs Cash Account — Which Broker Account Type is Right for You?

Every brokerage account is either a cash account or a margin account. Cash accounts require full payment for every trade and settle in T+1 (starting May 2024). Margin accounts allow borrowing against your holdings to increase buying power but come with interest costs and the risk of margin calls. The choice between them affects everything from trading frequency to settlement flexibility.

The majority of long-term investors are best served by a plain cash account. Margin accounts introduce leverage, interest costs, and forced liquidation risk that most buy-and-hold investors do not need. But for active traders, investors who want to use leverage strategically, or anyone trading options, a margin account is often essential.

Cash Accounts Explained

A cash account requires you to pay the full purchase price for every security you buy. You cannot borrow from your broker. When you sell a position, the proceeds settle in one business day (T+1) and become available for trading. Cash accounts are simpler, carry no interest costs, and eliminate any risk of margin calls.

Key rule: In a cash account, you cannot sell a security before you have paid for it. If you buy a stock and sell it the same day, you must have settled cash to cover the purchase. Violating this rule — settling a trade with the proceeds of another trade — is called a good faith violation and can result in account restrictions.

Margin Accounts Explained

A margin account lets you borrow money from your broker to purchase securities, using your existing holdings as collateral. The typical margin rate in 2026 is 8-13% APR, significantly higher than a home equity line or personal loan. You must maintain a minimum equity percentage (typically 25-30%) — if your account value drops below this, you face a margin call requiring immediate deposit or liquidation.

Key advantage: Margin allows you to leverage your investments, potentially amplifying returns. It also provides flexibility for option trading strategies that require margin approval, such as selling naked options or trading spreads.

Pattern Day Trader Rule

If you trade stocks with a margin account and execute four or more day trades within five business days, you are classified as a Pattern Day Trader (PDT) and must maintain a minimum account equity of $25,000. Cash accounts are not subject to PDT rules, making them popular among small account traders who day trade.

Which Should You Choose?

  • Choose a cash account if: You are a long-term buy-and-hold investor, trade infrequently, have under $25,000, or want the simplest possible account structure.
  • Choose a margin account if: You trade options (spreads, iron condors), want the ability to borrow against holdings for short-term needs, or day trade with over $25,000 in capital.

Further reading: How to Choose a Broker, Broker Types Guide, Margin Interest Calculator