Quantora · Options
Options Strategy Builder
Build a multi-leg options position and see its payoff at expiration - breakevens, max profit and max loss. Load a preset or add your own legs, and price them with Black-Scholes.
The payoff diagram shows your profit or loss at expiration across underlying prices - green above zero, red below. Breakevens are where it crosses zero; max profit/loss are the best and worst outcomes (some strategies, like a naked long option, have unbounded upside). Premiums are your entry prices per share; "Price all legs" fills them from Black-Scholes using the vol, days and rate above.