Options Calculators
The three numbers that decide most single-leg trades, worked out properly and explained. Free, no account, no email.
Expected move
How far the options market says a stock can travel by a given date.
IV crush
What an option is worth after earnings drains the volatility out of it.
Probability of profit
The odds of finishing above break-even, not just in the money.
Looking for max pain?
Max pain needs a full open-interest ladder, not four inputs — so rather than ask you to type one in, we compute it from live open interest for every optionable US name. Try NVDA, SPY or TSLA, or swap in any ticker.