Y1:=LLV(L,17);Y2:=SMA(ABS(L-REF(L,1)),17,1);Y3:=SMA(MAX(L-REF(L,1),0),17,2);Q:=-(EMA(IF(L<=Y1,Y2/Y3,-3),1));强拉升: IF(CROSS(Q,0),1,0)