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Options Profit Calculator

Price a long call or put in seconds — enter your entry and exit premium, strike, and size for instant profit/loss, return on premium, breakeven and max loss. Tuned for 0DTE.

Premiums are per share; 1 contract = 100 shares. Breakeven is at expiration.

Profit / loss
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Breakeven (at expiry)
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Max loss (long)
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Cost (debit)
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Proceeds
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Prices long (bought) calls & puts only. For education — not a recommendation. Options involve significant risk of loss.

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About

How the options P&L math works

This calculator prices a single long call or put — the bread-and-butter of a 0DTE scalp. Enter what you paid (entry premium), what you sold or where it's marked now (exit premium), and your size, and it returns your dollar P&L, your return on premium, your breakeven at expiration, and your max loss.

How the math works

Each contract controls 100 shares, so P&L = (exit − entry) × 100 × contracts. Your cost (the debit) is the entry premium × 100 × contracts, and for a long option that debit is also your maximum loss — you can never lose more than you paid. Breakeven at expiration is the strike plus the premium for a call, or the strike minus the premium for a put.

Why 0DTE is different

On expiration day, gamma is at its most violent and theta decay is brutal — a 0DTE option can double or go to zero in minutes. The leverage cuts both ways, which is exactly why entries and exits have to be mechanical, not emotional. NoVo maps the dealer levels that tend to define where the day pins and breaks, and executes your exits automatically. Read more in the 0DTE Guide.

FAQ

Common questions

How do you calculate options profit?
For a long option, profit or loss = (exit premium − entry premium) × 100 × number of contracts, because each contract controls 100 shares. Return on premium = (exit − entry) / entry. This calculator does both instantly as you type.
What is the breakeven on a call or put?
At expiration, a long call breaks even at the strike price plus the premium paid; a long put breaks even at the strike minus the premium. Before expiration the option can be profitable well before that point because it still carries time value.
What is the maximum loss on a long option?
For a long call or put, the maximum loss is the total premium you paid (the debit) — 100% of it, and no more. That's entry premium × 100 × contracts. Selling options is different and carries far larger or unlimited risk; this tool prices long options only.
Why is 0DTE profit and loss so volatile?
On expiration day an option's gamma is at its peak, so its price moves fast relative to the underlying, while theta (time decay) drains value quickly. That means a 0DTE trade can gain or lose its entire value in minutes — which is why disciplined, mechanical exits matter more than on any other timeframe.
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Market data on this page is delayed and provided for general information only — it is not financial advice or a recommendation to trade. VIX/VXN/RVX are ~15-minute delayed (CBOE); index values use E-mini futures. Options trading involves significant risk of loss. © 2026 NoVo Options Trading.