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Trading calculator

Four calculators on one page: position size from your risk percentage, the price at which your account is stopped out, the margin of several open positions together, and the win rate you need to break even.

Account


Contract size differs between brokers: check it in the symbol specification on your platform.

Result

Position size
—
lots (rounded down)
Actual risk
—
Margin required
—
Value of a 1.0 move
—

Account

The stop-out level is set by the broker, usually between 20% and 50%. You will find it in the account specification.

Result

Margin required
—
Margin level
—
Stop-out price
—
Distance
—

Account

Open positions

SymbolDirectionLotsPriceStop (optional)MarginRisk
Total margin
—
Margin level
—
Free margin
—
Total risk
—

Break-even

Or enter your reward-to-risk ratio: a win of 2 against a loss of 1 is a 1:2 ratio.

Result

Break-even win rate
—
Winners needed out of 10
—
Reward-to-risk
—

Expected result per 100 trades

Before you use the numbers. This calculator is educational and is not a recommendation. Results are approximate and depend on the specifications you enter; always check the contract size, leverage and stop-out level at your broker. Slippage and news-time spread widening are not included.