再献一个牛市短线的重要公式

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);
选股:CROSS(ME,ME1);