量能选牛指标 (源码)

PW:=((VOL * (CLOSE - OPEN)) / (CLOSE + OPEN));
PW1:=EMA(((VOL * (CLOSE - OPEN)) / (CLOSE + OPEN)),n);
ME:EMA(PW1,n1);
ME1:MA(ME,n2);
ME2:MA(ME,n3);