Risk Management in MQL5: Position Sizing and Broker-Valid Stops
Technical revision: 1 October 2026 · Educational materialOn this pageEstimate entry-to-stop loss in account currencyRound down and reject oversize minimumsRound prices on the tick gridAccount risk is broader than one stopPosition sizing should translate an explicit loss estimate into a broker-valid volume. It should also know when no valid order fits the budget. A stop defines a requested exit condition; it cannot guarantee the realized loss when execution gaps or costs differ from the estimate. Estimate entry-to-stop loss in account currency Using a fixed pip value can fail across symbols, contract types and account currencies. The helper uses OrderCalcProfit at…