Type: Qty
Allows orders to specify a minimum quantity that applies to every execution (one execution could be for multiple counter-orders). The order may still fill against smaller orders, but the cumulative quantity of the execution must be in multiples of the MatchIncrement.
Added in protocol FIX.4.4 (22)
See in: FIX.5.0SP1, FIX.5.0SP2, FIX.5.0SP2 EP240.