Shorting a stock on Fidelity requires a margin account, a borrow of the shares you want to sell, and enough cash or margin buying power to cover the position

To short a stock, you sell shares you don't own, betting the price will fall so you can buy them back cheaper and pocket the difference. Fidelity lets you do this through a margin account — not a standard cash account. The process involves three concrete steps: opening or converting to a margin account, locating shares available to borrow, and placing a short sale order through the platform.

The catch is that shorting costs money upfront and carries real risk. You pay interest on borrowed shares, you may owe dividends if the company pays them while you're short, and your losses are theoretically unlimited if the stock price rises instead of falling. Fidelity will also force you to close the position if your account equity drops below their maintenance requirement — usually 30% of the short position's value.

Key Takeaways

  • You must have a Fidelity margin account to short; a cash account cannot short stocks.
  • Fidelity charges interest on borrowed shares, and the rate depends on the stock and how many shares are being borrowed across the platform.
  • If the stock you want to short is hard to borrow, Fidelity may not have shares available, and you cannot force a borrow.
  • Your short position will be closed automatically if your account falls below Fidelity's maintenance requirement, locking in any losses at that moment.
  • You remain responsible for any dividends paid on the borrowed shares while your short position is open.

Opening or converting to a margin account

If you have a Fidelity cash account, you need to convert it to a margin account before you can short. Log into your Fidelity account online or through the mobile app, go to Account Settings, and look for the option to upgrade to margin. Fidelity requires a minimum of $2,000 in account equity to open a new margin account, though existing customers converting a cash account may have different requirements.

Once you request the conversion, Fidelity will review your account and typically approve it within one business day. You'll receive a margin agreement document that spells out the interest rates, maintenance requirements, and the fact that Fidelity can close your positions without notice if you fall below their minimums. Read it — the maintenance requirement is the number that will force you to close a losing short if the stock rallies.

Checking whether shares are available to borrow

Not every stock can be shorted on Fidelity. Highly liquid stocks like Apple or Microsoft are almost always available. Smaller or newly listed stocks may not be. Before you place a short order, search for the stock in Fidelity's platform and look for the "Borrow Info" or "Short Availability" section — the exact label varies by platform version, but it's usually near the quote or in the research tab.

If shares are available, Fidelity will show you the borrow rate — the annual interest you'll pay on the borrowed shares, expressed as a percentage. This rate changes based on demand; hard-to-borrow stocks can cost 5%, 10%, or more per year. If no shares are available, you cannot short that stock through Fidelity, and there's no waiting list. You can check back later, but availability is not may provide.

Placing a short sale order

Once you've confirmed shares are available and you have a margin account, place your order like a normal sale, but select "Sell Short" instead of "Sell" as the order type. In Fidelity's web platform, this option appears in the order entry screen under "Order Type." On the mobile app, you may need to tap "More Options" to see the short sale choice.

You can use market orders, limit orders, or stop orders for a short sale — the mechanics are the same as a regular sale. A limit order is often safer because it lets you control the price at which you short; a market order executes immediately at the best available price. Once your order fills, the borrowed shares appear in your account as a short position, and the interest clock starts running.

Understanding borrow costs and maintenance requirements

The interest Fidelity charges on borrowed shares is not a flat fee — it's a daily rate applied to the value of your short position. If you short 100 shares at $50 each (a $5,000 position) and the borrow rate is 5% annually, you'll pay roughly $2.74 per day in interest, or about $82 per month. That cost compounds if the stock price rises, because your position value grows and so does the interest owed.

Fidelity also enforces a maintenance requirement, typically 30% of the short position's current market value. If you short $5,000 worth of stock, you need to maintain at least $1,500 in account equity. If the stock rises to $7,000 and your account equity drops below $2,100, Fidelity will issue a margin call. If you don't deposit cash or close the position within the timeframe Fidelity gives you (usually one business day), they will close the short automatically, locking in your loss.

Covering your short position

To close a short position, you buy back the shares you borrowed — this is called "covering." Place a regular buy order for the same number of shares you shorted. Once the order fills, the shares are returned to the lender, and your short position closes. Any profit or loss is calculated as the difference between your short sale price and your cover price, minus interest and any dividends you owed.

You can cover at any time while the market is open. There's no deadline, but the longer you hold the short, the more interest accumulates. If you're profitable and want to lock in gains, cover immediately. If you're underwater and waiting for a recovery, remember that Fidelity can force a cover if you breach the maintenance requirement, and you won't get to choose the price.

Dividends and corporate actions on shorted stocks

When you short a stock, you're on the hook for any dividends the company pays while you hold the position. If the stock pays a $1 dividend per share and you're short 100 shares, you owe $100 to the share lender. This amount is automatically deducted from your account on the ex-dividend date. It's easy to forget, but it's a real cost that eats into your profit or adds to your loss.

Stock splits and other corporate actions also affect your short position. If the stock splits 2-for-1, your short position doubles in size (you now owe twice as many shares at half the price). Fidelity handles the mechanics automatically, but you need to understand that your maintenance requirement and interest costs will adjust accordingly.

Frequently Asked Questions

Can I short a stock that's on the SEC's threshold list?

Yes. The SEC threshold list identifies stocks with settlement failures, but it doesn't prevent shorting. However, if a stock is on the list, Fidelity may impose additional restrictions or higher borrow rates. Check the borrow info before you place the order.

What happens if Fidelity recalls the borrowed shares?

Fidelity can recall shares from you if the lender (usually another customer or institution) wants them back. When this happens, Fidelity will notify you and give you a timeframe to cover — usually a few business days. If you don't cover by the deadline, Fidelity will buy shares on the market to close your position, potentially at a loss.

Can I short a penny stock or OTC stock on Fidelity?

Fidelity generally does not allow shorting of penny stocks or over-the-counter stocks. These securities carry higher risk and lower liquidity, making them difficult to borrow and dangerous to short. Stick to stocks listed on major exchanges like the Nasdaq or NYSE.

What's the difference between a short sale and a short sale against the box?

A regular short sale is what's described above — you borrow shares and sell them. A short sale against the box is when you already own shares but also short the same stock, locking in a price. Fidelity supports both, but the against-the-box version is less common and has different tax implications.

Do I need a certain account size to short on Fidelity?

You need at least $2,000 to open a new margin account, but that's just the entry point. Your actual ability to short depends on your account equity and the maintenance requirement of the position. A $2,000 account can only short small positions before hitting the maintenance limit.