Simple, no-login calculators for options-income traders. Every one is pure math from the numbers you enter — no live quotes, no account, no promises.
Full options calculator — expiry, Black-Scholes pricing, Greeks, and probability of profit. Built properly, coming.
Static and if-assigned return, annualized, breakeven — for premium sellers.
Enter your account size — see which defined-risk strategies fit, spread widths, and position count.
Given your stop or max loss, how many shares/contracts to trade at your risk %.
Illustrative Reg-T buying-power for puts, spreads, and covered calls.
Turn your win rate and average win/loss into expected value per trade.
Position-sizing math for the quant-minded — with honest drawdown caveats.