Options Profit Calculator
Updated on 22 Oct 2026 · Checked by Aotob
Buying 1 $100 call at $4, with the stock at $110 at expiry, you make $600.
Break-even is $104 at expiry.
Profit at expiry
$600
This ignores selling before expiry, when time value is still in the price, and assumes 100 shares per contract.
Show the working
Value at expiry: max(0, 110 − 100)
(value − premium) × 100 × 1 = 600
Profit and loss from $60 to $140
At different prices at expiry
| Stock price | Profit or loss |
|---|---|
| 70.00 | -400 |
| 80.00 | -400 |
| 90.00 | -400 |
| 95.00 | -400 |
| 100.00 | -400 |
| 105.00 | 100 |
| 110.00 | 600 |
| 120.00 | 1,600 |
| 130.00 | 2,600 |
Questions people ask
How is option profit worked out at expiry?
A call is worth stock price − strike (if positive), a put strike − stock price. Take off the premium and multiply by 100 shares per contract.
What is the break-even price?
Strike + premium for a call, strike − premium for a put.
What is the most I can lose?
Buying: the premium. Selling a put: the strike minus premium. Selling a call without the shares: unlimited.
Updated 22 Oct 2026Source: National averages and published fee tables, checked October 2026Checked by AotobAt expiry only; before commissions.Report an issue