双阴后阳买入选股指标 (源码)

var1:=REF(CLOSE OPEN,3) AND REF(CLOSE,3) REF(CLOSE,4);
{2日前的K线跳空低开且收阴线,并且有下影线}
var2:=REF(OPEN CLOSE,2) AND REF(CLOSE,2) REF(LOW,2);
{1日前的K线跳空收阴线,且有下影线}
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var3:=ref(OPEN,1) ref(CLOSE,1) AND ref(OPEN,1) REF(CLOSE,2) AND ref(c,1)-ref(low,1) =0.01;
{今日放量涨停，前日、昨日成交缩量}
var4:=REF(VOL,1) REF(VOL,2) AND REF(VOL,2) REF(VOL,3);
var5:=c o and c ref(o,1) and v ref(v,2) and c ref(c,1)*1.0995;
选股: var1 and var2 and var3 and var4 and var5;