OpCalc
Options Profit Calculator
Know your risk before you trade.
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AAPL
TSLA
NVDA
SPY
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Strategies
Long Call
Profit when the stock rises
Long Put
Profit when the stock falls
Bull Call Spread
Bullish with capped risk
Bear Put Spread
Bearish with capped risk
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What Is a Call Option?
The right to buy 100 shares at a fixed price.
How to Pick a Strike Price
ITM, ATM, OTM — how the choice affects your trade.
Theta Decay
The daily cost of holding an option, explained.
How Spreads Work
Reduce cost and cap risk with two-leg strategies.
Iron Condor
Profit when a stock stays in a range.
Options Greeks
Delta, gamma, theta, vega — what they measure.
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