Position Sizing Calculator
Calculate optimal position size based on risk management and portfolio allocation
About this calculator
A Position Sizing Calculator helps traders and investors determine the optimal amount to invest in each trade or position based on their risk tolerance and portfolio size. This essential risk management tool calculates the appropriate position size by considering factors like account balance, maximum risk percentage per trade, and stop-loss levels. By using proper position sizing, you can protect your capital from significant losses while maximizing potential returns, ensuring consistent and disciplined trading that aligns with your overall investment strategy.
How to use
Enter your total account balance, risk percentage per trade (typically 1-3%), and stop-loss distance from entry price. The calculator will determine your optimal position size by dividing your maximum risk amount by the per-share risk. Review the results to ensure the position size fits your trading plan before executing the trade.
Frequently asked questions
What percentage of my portfolio should I risk per trade?
Most professional traders risk 1-2% of their total portfolio per trade, with beginners often starting at 0.5-1% to minimize potential losses.
How does position sizing affect my trading performance?
Proper position sizing helps preserve capital during losing streaks and ensures consistent risk exposure, leading to more stable long-term performance.
Should position size vary based on trade confidence?
While tempting, maintaining consistent position sizing based on predetermined risk rules is generally safer than varying sizes based on subjective confidence levels.