Trading Tools
Free interactive calculators to help you analyze options pricing, manage risk, and evaluate trade performance. Each tool runs entirely in your browser — no data is sent to a server.
Black-Scholes Options Pricer
Calculate theoretical call and put prices plus all five Greeks — Delta, Gamma, Theta, Vega, Rho.
Open calculator →Position Size Calculator
Size your trades based on account balance and risk tolerance. Includes risk/reward ratio.
Open calculator →Profit / Loss Analyzer
Quickly evaluate any trade with entry, exit, shares, and commissions factored in.
Open calculator →Each calculator is also available on its own dedicated page for bookmarking and sharing.