A.交易的賠率B.交易的勝率C.交易的次數(shù)D.現(xiàn)有資金應(yīng)進(jìn)行下次交易的比例
A.12~31 B.3~6 C.6~9 D.9~12
A.高于20% B.高于40% C.低于20% D.低于40%