平均趋向指数,ADX>25为强趋势
MTR:=EXPMEMA(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(LOW-REF(CLOSE,1))),14); PDI:=EXPMEMA(IF(HIGH>REF(HIGH,1),HIGH-REF(HIGH,1),0),14)/MTR*100; MDI:=EXPMEMA(IF(REF(LOW,1)>LOW,REF(LOW,1)-LOW,0),14)/MTR*100; ADX:=EXPMEMA(ABS(MDI-PDI)/(MDI+PDI)*100,6); 趋势:ADX>25;