DocumentationMQL5 ReferenceStandard LibraryTrade ClassesCOrderInfoVolumeInitialVolumeInitialVolumeInitialGets the initial volume of order.double VolumeInitial() constReturn Value Initial volume of order.Note The order should be selected using the Select (by ticket) or SelectByIndex (by index) methods. Last updated on 2026-07-24PositionIdVolumeCurrent