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Individual AI skill · AI for Finance

position-sizer

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, ATR-based sizing, or portfolio risk allocation. Supports stop-loss distance calculation, volatility scaling, and sector concentration checks.

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Free ZIP · One canonical method · Usage example · Installation guide · Licence notices

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3Define done

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When to use it

  • 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

What you need first

  • No API keys required
  • Python 3.9+ with standard library only

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AI for Finance

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Same method, different setup

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Catalogue path
skills/verticals/finance/skills/position-sizer
Ficha origin
Extracted from SKILL.md
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