Position Sizer

limit losses, max your profit

Only for iPhone

$4.99 · Designed for iPhone. Not verified for macOS.

iPhone

Managing risk is the number one discipline in trading. Without it, the market will eventually wipe out your account — but a disciplined approach to risk management minimizes the impact of any single bad trade. Position Sizer calculates exactly how many shares or units you can buy or sell, based on the maximum percentage of your account you're willing to risk. How it works: Set your stop loss — just beyond the recent local dip (long) or local peak (short). Enter your account size, stop loss, entry price, and the risk % you're willing to take (2% is a commonly recommended maximum per trade). The calculator instantly gives you your position size, along with a 5R take-profit target (5× your risk). Long-press any value to copy it, then paste it straight into your broker's order form. Features: Instant position size, risk amount, and position value calculations 5R take-profit target, calculated automatically Long-press any value to copy it to your clipboard Clean, distraction-free interface built for fast entry All data stays on your device — nothing is transmitted anywhere Position Sizer is a calculation tool only. It does not provide financial, investment, or trading advice and is not a substitute for your own judgment or professional guidance. Trading involves risk of loss. You are solely responsible for your own trading decisions and their outcomes; the developer accepts no liability for any losses, damages, or other consequences arising from use of this app.

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The developer, CHARLES ALEXANDER CANT, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

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    Accessibility

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    Information

    Seller
    CHARLES ALEXANDER CANT
    Size
    396.3 KB
    Category
    Finance
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Charles Cant
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.