Yes, ETFs can be bought on margin in most cases. If the fund trades on a major U.S. exchange and clears basic volume and listing thresholds, your broker will generally lend you up to half the purchase price under federal rules. Leveraged, inverse, and newly listed ETFs are the exceptions: brokers often require 75% to 100% cash on those, which effectively blocks margin buying. And whatever you borrow, you pay interest on, and you accept that the broker can sell your holdings without warning if the account value drops too far.
How Buying an ETF on Margin Works
A margin purchase means you put up part of the price and your brokerage lends you the rest, with the securities in your account serving as collateral. Buy $20,000 of an S&P 500 ETF at a 50% requirement, and you deposit $10,000 while the broker fronts the other $10,000. You owe interest on the borrowed half for as long as you hold the position.
Leverage cuts both ways. A 10% rise on that $20,000 position puts $2,000 against your $10,000 outlay, doubling the return you would have earned paying full price. A 10% drop takes $2,000 off the same $10,000, and the interest meter keeps running.
You need a margin account, not a cash account, to do any of this. Opening one requires at least $2,000 in cash or eligible securities, and many brokerages set higher minimums.
Which ETFs Qualify for Standard Margin
The Federal Reserve’s Regulation T sets the ceiling on how much credit a broker can extend for a margin purchase of equity securities: 50% of the price, meaning you cover at least half.1Federal Reserve. Legal Interpretation – Margin Requirements, Regulation T That’s the federal floor for initial margin.
To qualify as margin-eligible in the first place, an ETF generally needs to be listed on a national securities exchange and meet trading volume and registration requirements.2eCFR. 12 CFR 220.11 – Requirements for the List of Marginable OTC Stocks and the List of Foreign Margin Stocks Most ETFs tracking well-known indexes clear these thresholds easily.
A fund that fails to qualify gets no loan value at all. You can still hold it in a margin account, but your broker treats it as requiring 100% cash.1Federal Reserve. Legal Interpretation – Margin Requirements, Regulation T
Leveraged, Inverse, and Newly Listed ETFs
Leveraged ETFs are designed to deliver a multiple of an index’s daily return, and that built-in amplification changes the margin math. FINRA requires maintenance margin on these funds to scale in proportion to the leverage factor, capped at 100% of the fund’s value.3FINRA. FINRA Regulatory Notice 09-53 – Increased Margin Requirements for Leveraged Exchange-Traded Funds and Associated Uncovered Options A standard long ETF carries a 25% maintenance floor. A 2x leveraged ETF doubles that to 50%. A 3x leveraged ETF pushes it to 75%.
Those are regulatory minimums. Individual brokerages routinely go further on triple-leveraged products, often setting 75% or 100% initial margin, which effectively bans margin purchases of those funds. At 100%, you pay the full price in cash even though the position sits in a margin account.
Inverse ETFs, which move opposite their benchmark, get similar treatment. Daily rebalancing creates compounding effects that make them volatile over any holding period longer than a day, and brokers price that risk in. Expect 75% initial margin or higher on most inverse products.
Newly listed ETFs of any type may also be restricted. Brokerages often require 100% cash for recent listings until there’s enough trading history to assess volatility and liquidity. The broker ultimately decides whether to extend margin credit on any security, and nothing stops them from setting requirements above the federal and FINRA minimums.
What You Have to Keep in the Account
After you buy on margin, your account has to maintain a minimum equity level at all times. FINRA sets the maintenance floor at 25% of the current market value of long securities, where equity means market value minus the margin loan balance.4FINRA. FINRA Rule 4210 – Margin Requirements
Say you buy $20,000 of an ETF with $10,000 borrowed. Your equity starts at $10,000, or 50%. If the ETF falls to $16,000, your equity drops to $6,000, which is 37.5%. Still above the FINRA floor. If it falls to $12,000, equity is $2,000, or 16.7%, and you’re well under.
In practice, you won’t get close to 25% before trouble starts. Most brokerages impose “house” maintenance requirements of 30% to 40%, and those are the numbers that actually trigger margin calls. The higher cushion is deliberate: it gives the broker room before the account hits the regulatory line.
Margin Calls and Forced Selling
A margin call is the broker’s demand that you add money or securities to restore equity to the required level. It’s triggered when your equity percentage falls below the broker’s maintenance threshold. You typically have to deposit enough to get back to maintenance, though some firms require you to reach the higher initial margin level.
Deadlines vary by call type. A federal call under Regulation T on a new purchase gives you the trade date plus three business days. Vanguard’s house maintenance call gives you until the fourth business day after the call. An exchange call triggered by equity falling below the 25% NYSE/FINRA floor must be covered within two business days.5Vanguard. How to Handle a Margin Call Other firms set their own deadlines, and some are shorter.
The part that catches investors off guard: your broker is not required to call you before selling. The call is a courtesy, not a legal obligation. If equity falls far enough, the broker can liquidate positions immediately without contacting you, you don’t choose which holdings get sold, and the firm can sell across any of your accounts held there, not just the one that triggered the call.6FINRA. Know What Triggers a Margin Call Forced selling tends to happen during exactly the sharp decline that caused the problem, locking in losses with no chance to wait for a rebound.
And the losses can exceed your deposit. If the ETF drops enough, what you owe on the margin loan plus the shortfall can leave you on the hook for more than you originally put in.
Interest Costs and the Tax Deduction
Margin loans aren’t free. Brokers charge interest on the borrowed balance every day you hold the position, with rates at most firms currently falling somewhere in the range of 5% to 12% annually depending on loan size and the firm’s pricing. Larger balances usually get lower tiered rates. Over months or years, interest charges eat into returns and can push a modestly profitable trade into a loss after costs.
The tax code softens the blow somewhat. Margin interest qualifies as investment interest expense and can be deducted against net investment income, which includes interest, non-qualified dividends, and short-term capital gains.7Office of the Law Revision Counsel. 26 U.S. Code 163 – Interest Interest beyond that limit carries forward to future tax years, available when you have enough investment income to absorb it.8Internal Revenue Service. Form 4952 – Investment Interest Expense Deduction You claim the deduction on IRS Form 4952.
The Day-Trading Trap
If you actively trade ETFs on margin and execute four or more day trades within five business days, your broker will classify you as a pattern day trader. That classification requires $25,000 in the account, in cash or eligible securities, on any day you day trade. If the balance drops below $25,000, you can’t day trade again until it’s restored.9FINRA. Day Trading
The rule catches people who don’t think of themselves as day traders. Buying and selling the same ETF in a single session counts, even if you only did it a handful of times across a week. Brokerages can also impose requirements higher than the $25,000 FINRA minimum.9FINRA. Day Trading For a leveraged ETF bought on margin, the combined effect is leverage on top of leverage, and a single bad session can produce the kind of loss that liquidates the position before you’ve had a chance to react.