Tools
Position Risk Calculator
Calculate optimal position size, risk/reward ratio, and Kelly Criterion for any trade.
Trade Parameters
$
1.0%
0.1%5.0%
$
$
$
Price Level Visualization
Price Levels
SL $95.00Entry $100.00Target $115.00
Risk zoneReward zone
Risk Assessment
Low Risk — Good Setup
Calculated Metrics
$100.00
Risk Amount
20.00 shares
Position Size
$2000.00
Position Value
$300.00
Potential Profit
3.00x
Risk:Reward Ratio
3.00%
Return on Account
33.33%
Kelly Criterion (50% win rate, illustrative)
Formula Reference
- Risk Amount = Account Size × Risk%
- Position Size = Risk Amount ÷ |Entry − Stop|
- R:R = |Target − Entry| ÷ |Entry − Stop|
- Kelly % = Win Rate − (1 − Win Rate) ÷ R:R
For educational purposes only. Not financial advice. Position sizing formulas are simplified models and do not account for commissions, slippage, or liquidity constraints.