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Stock Position Size Calculator

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Determine how many shares to buy to ensure you only risk a specific percentage of your trading account.

Result

Dollar Risk Allowed: -

Risk Per Share: -

Maximum Shares: -

Estimated Position Value: -

Risk Management Basics

Position sizing is the most important part of risk management. By calculating shares based on your stop loss, you ensure that if the trade hits your stop, you only lose the exact dollar amount you were willing to risk.

Shares = (Account Size × Risk %) / (Entry Price - Stop Loss Price)