Position Size Calculator — classic + ATR% (Ostin V.)

Position Size Calculator — classic + ATR% (stable)

A clean and reliable position size calculator for swing and day traders.
Perfect for crypto markets and volatility-based risk management.

📊 Features:

• Calculates position size based on risk ($ or %).
  
• Displays risk/reward ratio (RR), stop distance, and position value.
  
• Measures daily volatility (ATR%) to help adjust stop-loss levels.
  
• Includes a tip for optimal stop width: SL ≥ 1.0–1.5 × ATR%.
  
• Minimal and stable design — no chart clutter, no extra lines.
  

⚙️ How to use:

• Set your account balance and risk per trade (%).
  
• Enter your entry, stop loss, and (optional) target price.
  
• Instantly see your position size, RR, and volatility data.
  

📈 Use ATR% to align your stops with real market volatility and avoid random stop-outs.