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Options Calculator

Enter an option's current price and strike, then set a future stock price and date. It estimates what the option could be worth then. The numbers below are a filled-in example.

The option today
Per share (use the mid)
Your scenario
e.g. −10 after earnings
Position
Estimated value
Option value later–per share
Profit / loss–total for position
Change–vs price paid
Implied volatility–solved from today's price
Value on scenario dateValue at expirationYour scenario
Greeks today
–Delta · per $1 move
–Gamma · delta per $1
–Theta · per day
–Vega · per 1 IV pt
Price ladder on scenario date
Stock priceMoveOption valueP/L total

Estimates use the Black-Scholes model with no dividends, holding volatility constant except for the change you enter. Real prices also depend on dividends, early exercise, the bid/ask spread and how volatility actually moves, so treat these as a guide, not a quote. Education only, not trading advice.