Description
Type: Qty
Quantity open for further execution. If the OrdStatus <39> is 'Canceled', 'DoneForTheDay', 'Expired', 'Calculated', or 'Rejected' (in which case the order is no longer active) then LeavesQty <151> could be 0, otherwise LeavesQty <151> = OrderQty <38> – CumQty <14>.
(Prior to FIX 4.2 this field was of type int)