RobotFX curates the best open-source MetaTrader code to inspire your trading automation.

Checks: monitors correct prices, minimum and maximum lots.
Ready to use: one function call returns the lot to be sent to the market order.
Example of use in the code:
// Risk 1.5% of the deposit by placing a stop loss at 1.08500
double myLot = Calculate_Lot_by_Percent(1.5, 1.08500);
if(myLot > 0) {
// Open a deal with the calculated lot
trade.Sell(myLot, _Symbol, 0, 1.08500, 0, "Trade with 1.5% risk");
} Bottom line: this code gets rid of manual calculations and helps you maintain risk discipline in every trade. Simply plug it into your EA or script.
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