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Calculate risk-based position sizes for long stock trades. Use when user asks about position sizing, how many shares to buy, risk per trade, Kelly criterion,…
Position Sizer Overview Calculate the optimal number of shares to buy for a long stock trade based on risk management principles. Supports three sizing methods: Fixed Fractional: Risk a fixed percentage of account equity per trade (default: 1%) ATR-Based: Use Average True Range to set volatility-adjusted stop distances Kelly Criterion: Calculate mathematically optimal risk allocation from historical win/loss statistics All methods apply portfolio constraints (max position %, max sector %) and output a final recommended share count with full risk breakdown. When to Use User asks "how many shares should I buy?" User wants to calculate position size for a specific trade setup User mentions risk per trade, stop-loss sizing, or portfolio allocation User asks about Kelly Criterion or ATR-based position sizing User wants to check if a position fits within portfolio concentration limits
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