Options Breakeven Calculator
Find the exact price a call or put has to reach before it makes money. Enter the strike and the premium you paid and see your breakeven on a number line, the total premium at stake, and the percentage move required.
Premium is quoted per share; one contract covers 100 shares. Total paid = premium × 100 × contracts.
Breakeven
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How to use the calculator
- Pick long call or long put.
- Enter the strike price and the premium per share you paid.
- Add the number of contracts to see the total premium at stake.
- Read the breakeven price, the total premium, and the % move from the strike to breakeven.
What breakeven really tells you
Breakeven is the price where a long option finally earns back what you paid for it. A call needs the underlying above strike + premium; a put needs it below strike − premium. Below (or above) that line the option can still have value, but you'd be closing for less than you spent. It's the first honest hurdle any long option position has to clear.
The percentage move is the part worth sitting with. An option that costs 3% of the strike needs a 3% move in your favour just to get to even — before any profit at all. Options that look cheap in dollar terms often hide a steep move like this, which is why so many expire worthless even when the trader was roughly right about direction but the move wasn't big enough or fast enough.
The same maths runs the other way for sellers. The premium a buyer pays is the credit a seller collects, and both sides share the identical breakeven — the buyer starts profiting exactly where the seller starts losing. Seeing that symmetry is the point of the tool: it isn't a signal to buy or sell anything, just a clear picture of the price the trade turns on. Options carry real risk of total loss, so treat this as a planning aid, not a green light.
Frequently asked questions
How do you calculate the breakeven price of an option?
For a long call, breakeven is the strike price plus the premium you paid per share — the stock has to rise far enough to cover what the option cost. For a long put, it's the strike minus the premium, because the stock has to fall that far. A call bought at a 100 strike for 3 breaks even at 103; a put at the same strike and premium breaks even at 97. The number of contracts doesn't change the breakeven price, only the total money at stake.
Why is the option premium included in the breakeven?
Because the premium is a real cost you've already paid. The option only starts putting money in your pocket once its intrinsic value exceeds what you spent to buy it. A call that's exactly at its strike at expiration is worthless even though the stock hasn't fallen — you're still out the premium. Breakeven is the price where the option's payoff finally equals its cost, so everything beyond it is profit.
How much does the underlying need to move to break even?
It's the premium as a percentage of the strike. A 3 premium on a 100 strike needs a 3% move — up for a call, down for a put — just to get back to even. That percentage is the hurdle the option has to clear before expiration, and it's a useful reality check: cheap-looking options on expensive stocks can still demand a surprisingly large move to pay off.
Is the breakeven the same for the option seller?
Yes — the formula is identical. If you sold the call at a 100 strike for a 3 credit, your position turns unprofitable above 103, the same price the buyer breaks even. The credit you collected defines where you start losing, just as the debit the buyer paid defines where they start winning. One trader's breakeven is the other's, viewed from the opposite side.
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Educational tool only — not financial advice. Options involve substantial risk and are not suitable for all investors; a long option can lose its entire premium. Nothing here promises a return. Also see our trading blog.