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Position Size Calculator

Figure out the perfect trade size based on your risk tolerance. Keep your account safe with just a few quick inputs.

Position Size Calculator

This calculator helps you avoid blowing up your account by figuring out exactly how much to trade based on your risk limits. Position sizing is a critical part of investing and helps you control your exposure and risk.
Total account value ($)
Risk per trade (%)
Maximum position size
$0.00
Maximum number of positions
0.00

How It Works

Three simple steps to size your positions safely
1
Enter Account ValueInput the total value of your trading account in your base currency.
2
Set Risk PercentageDefine the maximum percentage of your account you're willing to risk per trade.
3
Get Your ResultsClick calculate to see your maximum position size and how many positions you can hold at once.

Frequently Asked Questions

Find answers to common questions about this calculator.
How much of my account should I risk per trade?
Most professional traders recommend the 1% to 2% rule. This means you should never risk more than 1% or 2% of your total account equity on a single trade. For example, on a $10,000 account, a 1% risk means your stop loss should result in a maximum loss of $100.
What is the difference between Position Size and Risk Amount?
Why does my position size change when my stop loss changes?

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