TR:=MAX(ABS(HIGH-REF(HIGH,1)),ABS(LOW-REF(LOW,1)));
DMZ:=IFELSE((HIGH+LOW)<=(REF(HIGH,1)+REF(LOW,1)),0,MAX(ABS(HIGH-REF(HIGH,1)),ABS(LOW-REF(LOW,1))));
DMF:=IFELSE((HIGH+LOW)>=(REF(HIGH,1)+REF(LOW,1)),0,MAX(ABS(HIGH-REF(HIGH,1)),ABS(LOW-REF(LOW,1))));
DIZ:=SUM(DMZ,N)/(SUM(DMZ,N)+SUM(DMF,N));
DIF:=SUM(DMF,N)/(SUM(DMF,N)+SUM(DMZ,N));
DDI:=DIZ-DIF;
DDI,COLORSTICK;
ADDI:=SMA(DDI,N1,M);
AD:MA(ADDI,M1);
（来源：文华财经）
