MTR:=SUM(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:=SUM(IF(HD 0 LD,HD,0),N);
DMM:=SUM(IF(LD 0 HD,LD,0),N);
PDI: DMP*100/MTR ,LINETHICK2;
MDI: DMM*100/MTR ,LINETHICK2;
公式模块：
N:=3;
MTR:=SUM(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:=SUM(IF(HD 0 LD,HD,0),N);
PDI:= DMP*100/MTR;
PDI
