Can You Buy Options on Margin? LEAPS, Writing, and Account Minimums

For the most part, no — you cannot buy options on margin. Federal rules require you to pay 100 percent of the premium in cash for any put or call you buy with nine months or less until expiration. The one exception is longer-dated contracts (LEAPS) with more than nine months to run, which can be margined at 75 percent of their market value. Even so, a margin account remains the gateway to nearly every options strategy beyond buying a single call or put, so most active traders still need one.

Why Short-Dated Long Options Must Be Paid in Full

FINRA Rule 4210 governs margin for listed options. Any put, call, or warrant you hold long with nine months or less until expiration must be covered by a deposit equal to at least 100 percent of the purchase price.¹ That rule sits inside the broader federal framework of Regulation T, which sets credit limits for broker-dealers and delegates the specifics for options to the exchange and FINRA rules the SEC has approved.²

The reason short-dated options carry zero loan value is practical. Options are depreciating contracts with a hard expiration date. A share of stock can recover from a drawdown; an option that expires out of the money is worth nothing. Lending against an asset that can lose its entire value in a few weeks would expose the brokerage to losses it could not recoup. So although your options sit inside a margin-enabled account, the broker’s credit line does not finance the purchase. The premium comes from cash or settled funds.

The LEAPS Exception

Listed options with more than nine months remaining until expiration — commonly called LEAPS — are the one category of long options that carry loan value. Under FINRA Rule 4210, these contracts require a deposit of at least 75 percent of their current market value rather than the full purchase price.¹ The same 75 percent floor applies to over-the-counter puts, calls, and stock index warrants with more than nine months left.

The exception has an expiration of its own. Once a LEAPS contract crosses the nine-month threshold on its way to expiration, the full 100 percent requirement kicks in. Your broker will then require additional cash or equity to cover the difference between the old 75 percent collateral and the new 100 percent.

Why You Still Need a Margin Account for Most Strategies

Buying a single call or put can happen in a cash account. Almost everything else cannot. Spreads — buying one option and selling another on the same underlying — depend on the margin account recognizing the offsetting nature of both legs. Without that infrastructure, the brokerage treats each leg independently and demands full collateral for the short side as if the long leg did not exist. Vertical spreads, iron condors, and butterflies become impractical or impossible in a cash account for that reason.

Brokerages gate access to these strategies through tiered approval levels. Names vary between firms, but the general structure looks like this:

Level 1: Covered calls only, written against shares you already own.
Level 2: Buying calls and puts outright, plus cash-secured puts.
Level 3: Spreads, iron condors, butterflies, and other multi-leg strategies that require a margin account.
Level 4: Uncovered (naked) writing of calls and puts, the highest-risk tier.

Each higher level requires a formal application disclosing your income, net worth, trading experience, and investment objectives. Brokerages may also set their own house margin requirements that are stricter than the regulatory minimums from the Federal Reserve, FINRA, and the exchanges.³ A strategy that technically qualifies under FINRA rules can still be restricted if your firm’s internal policies demand more equity or experience.

Margin for Writing Options

Selling an option to open a position creates an obligation, not a right. If the buyer exercises, you must deliver shares (short call) or buy shares at the strike price (short put). Collateral is required to back that obligation, and the amount depends on whether the position is naked, cash-secured, or covered by shares.

Naked (Uncovered) Options

Naked options carry the heaviest margin requirements because the potential loss is theoretically unlimited on calls and substantial on puts. Under FINRA Rule 4210 and the exchange rules, the formula generally starts with a percentage of the underlying stock’s market value, adds the premium you received, and subtracts any out-of-the-money amount, with a minimum floor so the requirement never drops too low on far out-of-the-money contracts.¹ The requirement is recalculated daily against the closing price, so a large adverse move can trigger a sudden demand for additional equity.

Cash-Secured Puts

A cash-secured put is the simpler alternative. You sell a put while holding enough cash to buy the shares at the strike price if assigned. Because the full obligation is already covered, some brokerages allow this at Level 2 without requiring margin. The cash stays reserved and unavailable for other trades as long as the short put is open.

What Happens If a Short Option Is Assigned

Assignment on a short call means delivering shares; assignment on a short put means buying them at the strike. Either way the position converts from an option obligation into a stock position, and the margin rules change with it. Under Regulation T, the resulting stock position generally carries an initial margin of 50 percent and a maintenance requirement of at least 25 percent.²⁴ If your account cannot meet those requirements after assignment, a margin call follows immediately.

Account Minimums That Gate Everything

Before any margin-based options strategy is available, your account has to clear two equity floors. Neither is a one-time deposit. Your balance has to stay at or above the threshold on an ongoing basis.

The $2,000 General Minimum

FINRA Rule 4210 requires at least $2,000 in equity to use margin privileges. If what you want to buy costs less than $2,000, you pay the full price rather than using margin.¹ If market losses push your equity below $2,000, the broker can restrict the account or liquidate positions to restore compliance.

The $25,000 Pattern Day Trader Threshold

FINRA’s day-trading rule applies to options as well as stocks. You are classified as a pattern day trader if you execute four or more day trades within five business days and those day trades make up more than six percent of your total trading in the margin account during that period.⁵ A day trade in options means opening and closing the same contract on the same day.

Once flagged, you must keep at least $25,000 in equity in the margin account on any day you day trade. If you start the day below that level, you are limited to closing existing positions until the balance is restored.⁵ Exceeding your day-trade buying power triggers a margin call payable within five business days, and funds deposited to meet that call are frozen for two business days afterward.

Portfolio Margin for Larger Accounts

Most retail options accounts run on strategy-based margin, where each position or recognized combination is margined by a fixed formula regardless of what else is in the account. A profitable hedge in one corner does not reduce the requirement on a losing position elsewhere.⁶

Portfolio margin works differently. It stress-tests the entire portfolio by simulating defined price and volatility moves in the underlying and sets your total requirement at the largest theoretical loss across those scenarios.⁶ Offsetting positions get recognized across the whole account, which often produces significantly lower requirements for well-hedged books.

The trade-off is access. FINRA Rule 4210(g) permits brokerages to offer portfolio margin, but firms typically require a minimum account value of $100,000 or more and limit eligibility to experienced traders who receive explicit approval. If the account value drops below the firm’s minimum, it can revert to standard strategy-based requirements, which may sharply increase your obligations and trigger a call.

Margin Calls and Forced Liquidation

A margin call is a demand to deposit additional cash or securities when equity falls below the required level. Options traders typically encounter two kinds:

Initial (federal) margin call, issued when you do not meet the initial requirement at the time of a trade. Under Regulation T, you generally have three business days from the trade date to deposit the required funds.⁷
Maintenance margin call, issued when your ongoing equity drops below the maintenance requirement — at least 25 percent of the market value of your long securities under FINRA rules, though many brokerages set a house minimum between 30 and 40 percent.³

One point many traders miss: your brokerage is not required to call you before liquidating. Firms have the contractual right to sell securities in your account without prior notice to bring it back into compliance, and they choose which positions to close.⁷ In fast-moving markets that often means closing a position at the worst available price. Carrying a cash buffer well above the minimum is the most reliable way to avoid forced liquidation.

1
FINRA.org. 4210. Margin Requirements
2
eCFR. 12 CFR 220.12 – Supplement: Margin Requirements
3
SEC.gov. Understanding Margin Accounts
4
Cboe Global Markets. Strategy-Based Margin
5
FINRA.org. Day Trading
6
Cboe Global Markets. Portfolio Margining
7
FINRA.org. Know What Triggers a Margin Call