Rolling a covered call: up, out, and up-and-out
Rolling a covered call is two trades at once: buy back the call you sold, and sell another one. You can roll out to a later expiry, up to a higher strike, or both. The only question that matters is whether the pair nets you a credit for a risk you actually want.
Rolling gets talked about as a rescue. It is not. It is a new trade that happens to close an old one, and it should clear the same bar any new trade clears.
The three directions
Out. Same strike, later expiry. You buy back the April $75 and sell the May $75. This buys time for the stock to come back below your strike, and because the later option has more time value, it almost always nets a credit. It does not raise your ceiling: you are still capped at $75.
Up. Higher strike, same expiry. Buy back the April $75, sell the April $80. This raises your ceiling by $5 a share, and it almost always costs you a debit, because the $80 call is worth less than the $75 one. You are paying cash to un-cap your upside.
Up and out. Higher strike, later expiry. The common one. The extra time value on the later expiry helps pay for the higher strike, which is what lets you raise the ceiling without paying out of pocket.
The worked example
KO ran. Shares at $76.80, and your April $75 call is now in the money and trading at $2.30. You want to keep the shares.
| Roll | Buy back | Sell | Net | New ceiling |
|---|---|---|---|---|
| Out, May $75 | $2.30 | $2.85 | +$0.55 credit | $75 |
| Up, April $80 | $2.30 | $0.35 | -$1.95 debit | $80 |
| Up and out, May $80 | $2.30 | $1.15 | -$1.15 debit | $80 |
Read the last column with the third. Rolling out pays you $55 per contract and leaves you capped at exactly the price you were unhappy about. Rolling up and out costs you $115 per contract and buys $500 of additional upside per contract. That second one is a real trade with a defensible edge. The first one is often just deferring the decision.
The test
Ask what you are buying and what you are paying, in that order.
- Rolling for a credit and no other change means you have been paid to extend the same obligation. Reasonable, if you were content with that strike in the first place.
- Rolling for a debit to raise the strike means you are paying for upside. Compare the debit against the upside gained. $115 for $500 of headroom is good value if you think the stock keeps going, and a waste if you do not.
- Rolling out repeatedly on the same losing position is the pattern to watch for. Each roll pays a little, and meanwhile you are locked into a stock you have decided you cannot sell and cannot fully own.
Do the arithmetic on the whole position, not the roll
The trap is treating the buyback as a loss to be recovered. You sold at $0.62 and you are buying back at $2.30, so the option leg lost $168. True and irrelevant. In the same window your shares gained $540. The position is up.
Judging the roll by whether the option leg is green is how people end up rolling into worse and worse strikes to avoid booking a "loss" that is not one. The share gain and the option loss are the same trade.
Costs, quietly
A roll is two commissions and two spreads. On a $0.55 net credit, paying $1.30 in commissions and giving up $0.08 to the spread on each leg leaves you with about $0.29. Rolls look better in an article than on a statement, and rolling small positions frequently is a good way to donate your premium to friction.
The roll analyzer nets the two legs and shows what you are paying per dollar of headroom bought. When not to roll is the other half of this page and probably the more useful one.
Questions people actually ask
Is rolling a covered call taxable?
Closing the short call is a taxable event, generally short-term, and opening the new one starts a fresh position. Rolling does not defer the tax on the leg you closed. Talk to someone who knows your situation.
Should I always roll for a credit?
No. Rolling up for a debit is often the better trade, because you are buying real upside with the payment. A credit roll that leaves your ceiling unchanged has bought you nothing except time.
How late can I roll?
Any time before assignment, but liquidity thins and spreads widen in the final days, and early assignment around an ex-dividend date can take the choice away entirely.
Keep reading
Do the math on your own trade
Every price in this article is an illustrative worked example, not a quote. Read Covered calls for the rest of the series, and the disclaimer before you act on any of it. Selling options carries real risk of loss, and the loss can be far larger than the premium you collected.