PDI上穿20线选股指标公式
N:=14;MTR:=EXPMEMA(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(REF(CLOSE,1)-LOW)),N);HD :=HIGH-REF(HIGH,1);LD :=REF(LOW,1)-LOW;DMP:=EXPMEMA(IF(HD>0&&HD>LD,HD,0),N);PDI:=DMP*100/MTR;XG:CROSS(PDI,20);