Position Size Calculator
Enter your account size, risk per trade and stop-loss to see how many shares to buy.
How to use Position Size Calculator
- Enter your account size and how much of it you're willing to risk per trade (%).
- Enter your entry price and stop-loss price.
- The number of shares to buy, your total risk amount, and position value are calculated automatically.
Frequently asked questions
How is position size calculated?
(Account size × risk %) ÷ (entry price − stop-loss price) = number of shares. This sizes the trade so that if it hits your stop-loss, you lose exactly the dollar amount you intended to risk, not more.
What risk percentage should I use?
Many traders risk 1-2% of their account per trade so that a string of losses doesn't wipe out the account, but this is a personal risk-tolerance decision, not something this tool recommends.
Does this tell me when to enter or exit a trade?
No — it only sizes a trade you've already planned, using an entry and stop-loss you provide. It doesn't predict prices or generate trade signals, and isn't financial advice.
Community
Loading...