主力線VAR1:=(CLOSE+LOW+HIGH)/3;

VAR2:=SUM(((VAR1-REF(LOW,1))-(HIGH-VAR1))*VOL/100000/(HIGH-LOW),0);

VAR3:=EMA(VAR2,1);

JCS:VAR3;

JCM:MA(VAR3,12);

JCL:MA(VAR3,26);