短线阻击主图之买入选股指标公式

VARA:=(CLOSE-REF(OPEN,29))/REF(OPEN,29)*100;
VARB:=EMA(0.667*REF(VARA,1)+0.333*VARA,5);
买入:vol>=1.3*MA(VOL,5) AND COUNT(VARA>=VARB AND VARA<-17,3) AND REF(LOW,1)=LLV(LOW,120);