3 free tools · No login · Client-only
Free trading calculators
Risk-first trading math: size a position from the stop distance, chart an options payoff with its Greeks, and measure drawdown and risk-adjusted returns. These are educational tools, not advice, and they never connect to a broker.
- trading
Max Drawdown Calculator
Paste a return series and get Sharpe, Sortino, max drawdown, Calmar, and equity curve
Open → - trading
Options Profit Calculator
Visualize profit/loss at expiry across a price range for calls, puts, and spreads
Open → - trading
Position Size Calculator
Calculate optimal trade size with Kelly criterion and fixed-risk models
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For informational purposes only. Not financial, medical, or legal advice. You are solely responsible for how you use these tools.