通达信DMI的正确用法公式

源码

MTR:=EXPMEMA(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(REF(CLOSE,1)-LOW)),14);
 HD :=HIGH-REF(HIGH,1);
 LD :=REF(LOW,1)-LOW;
 DMP:=EXPMEMA(IF(HD>0&&HD>LD,HD,0),14);
 DMM:=EXPMEMA(IF(LD>0&&LD>HD,LD,0),14);
 PDI:=DMP*100/MTR;
 MDI:=DMM*100/MTR;
 ADX:EXPMEMA(ABS(MDI-PDI)/(MDI+PDI)*100,6);
 ADXR:EXPMEMA(ADX,6);
 DRAWTEXT_FIX(1,0.5,0.01,1,'当连续上涨到高位时，ADX下穿ADXR或下穿60时卖出;'),COLORGREEN;
 DRAWTEXT_FIX(1,0.5,0.11,1,'当连续下跌到低位时，ADX下穿60时买入;'),COLORYELLOW;
 DRAWTEXT_FIX(1,0.5,0.21,1,'当在低位盘整一段时间后，ADX上穿20时启动;'),COLORMAGENTA;