通過dmi中cross(pdi,mdi)和vmacd>0選股的公式,以“通達信”股票交易軟件為例,編寫如下:
N:=14;MM:=6;
DIF:=EMA(VOL,12)-EMA(VOL,26);
DEA:=EMA(DIF,9);
VMACD:=DIF-DEA;
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);
DMM:=EXPMEMA(IF(LD>0&&LD>HD,LD,0),N);
PDI:= DMP*100/MTR;
MDI:= DMM*100/MTR;
XG:CROSS(PDI,MDI) AND VMACD>0;