Naked call vs covered call: what "covered" is actually covering
A naked call is a short call with no shares behind it. A covered call is a short call with 100 shares behind it. On a quiet month they look alike. On a takeover morning, one of them has no ceiling on the loss.
The short answer
A Covered call means you own 100 shares and sell a Call option on them. If the stock rockets, your shares are sold at the strike. You miss the extra gain, but the shares pay the obligation.
A Naked call means you sell the same call and own no shares. If the stock rockets, you must buy 100 shares at the new price and hand them over at the strike. There is no top to that price, so there is no top to the loss.
"Covered" means the obligation is already paid for. That is the whole difference, and it is everything.
Side by side
| Covered call | Naked call | |
|---|---|---|
| What you hold | 100 shares + a short call | A short call only |
| Premium | Same | Same |
| If the stock drops | Shares lose, premium cushions a little | Keep the premium; no shares to lose |
| If the stock rises past the strike | Shares called away; gain stops at the strike | You buy shares at market to deliver: loss grows with every dollar |
| Max loss | Share cost minus premium (stock to zero) | No limit |
| Cash or margin | Shares already owned | Margin, and a lot of it, held by the broker |
| Approval level | Basic, at most brokers | Highest level; not allowed in many accounts |
| Fits | Someone fine selling their shares higher | Almost no one who found this page |
A worked example (an illustration, not a trade idea)
XYZ trades at $50. You sell a 30-day $55 call for $1.00, collecting $100.
- Covered: you own 100 shares bought at $50.
- Naked: you own nothing. Your broker holds margin against the trade.
Two weeks later a bigger company offers to buy XYZ for $80 a share. The stock opens at $78.
| XYZ at expiry | Covered call | Naked call |
|---|---|---|
| $40 | Shares −$1,000, premium +$100: −$900 | +$100 |
| $50 | +$100 | +$100 |
| $55 | Shares +$500, premium +$100: +$600 | +$100 |
| $60 | Called away at $55: +$600 (capped) | Buy at $60, deliver at $55: −$500 + $100 = −$400 |
| $78 | Called away at $55: +$600 (capped) | Buy at $78, deliver at $55: −$2,300 + $100 = −$2,200 |
| $100 | +$600 (capped) | −$4,500 + $100 = −$4,400 |
The covered-call seller "lost" the rally above $55, which stings: a plain shareholder made $2,800 at $78. But they ended the month up $600 and were never in danger.
The naked-call seller collected the same $100 and gave back twenty-two times that. At $100 they gave back forty-four times. And the table could keep going. Takeovers, short squeezes and earnings gaps do not ask how much margin you posted.
The honest frame: the covered call's worst case is the stock going to zero while you own it. The naked call's worst case has no number. One of those you can size for. The other you cannot.
The covered call still loses, just differently
Do not read this as "covered calls cannot hurt you". Look at the $40 row: the covered-call seller lost $900. The naked seller kept $100 in that same row.
The covered call carries the stock's downside. The naked call carries the stock's upside, with no limit. The premium is the same small cushion in both. What changes is which direction can ruin you. See the covered call guide for every outcome of the covered version.
Why brokers treat them so differently
A covered call can be placed in most basic accounts and in many retirement accounts. The shares are the collateral; the broker's risk is small.
A naked call needs the highest approval level, a margin account, and a margin requirement that grows as the stock rises. If the stock gaps up overnight, the broker can close the position at the open at whatever price it finds, and send you the bill. In Canada, naked calls are not allowed in a TFSA or RRSP at all, and permissions differ by broker.
Where this sits on the wheel
The wheel strategy only ever sells covered calls, on shares you were assigned. There is no naked step. If you ever find yourself short a call without the shares, something went wrong: shares sold by hand while a call was open, or a spread's long leg expired while the short leg did not. See wheel vs covered strangle for the one common way sellers add a leg to a covered call, and what it costs.
If you want a short call with a capped loss and no shares, that is a bear call spread, not a naked call. See covered call vs bear call spread.
Questions
What is a naked call?
A short call with no shares owned against it. If the stock rises past the strike, the seller must buy shares at the market price to deliver at the strike, and there is no limit to how high that price can go.
Is a covered call risk-free?
No. The covered call carries the full downside of the 100 shares, minus the premium. If the stock falls a lot, the shares lose a lot. What it removes is the unlimited upside risk of a naked call.
Why would anyone sell a naked call?
Some experienced traders with large margin accounts sell them to collect premium on stocks they think will not rise. It needs a high approval level and the loss has no ceiling, which is why most brokers restrict it.
What happens if I sell my shares while a covered call is open?
The call becomes naked. Your broker may block the share sale, require margin, or close the call. Close the call first, then sell the shares.
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