DocumentationMQL5 ReferenceStandard LibraryTrade ClassesCOrderInfoVolumeCurrentVolumeCurrentVolumeCurrentGets the unfilled volume of order.double VolumeCurrent() constReturn Value Unfilled volume of order.Note The order should be selected using the Select (by ticket) or SelectByIndex (by index) methods. Last updated on 2026-07-24VolumeInitialPriceOpen