连倍缩31选股源码

X_1:=DATE<=1160101;
 X_2:=REF(VOL,1)/REF(VOL,2)>1.9 AND REF(VOL,2)/REF(VOL,3)>1.9 AND VOL<REF(VOL,1)*2/3 AND REF(CLOSE,1)>REF(CLOSE,2) AND REF(CLOSE,2)>REF(CLOSE,3) AND CLOSE>REF(CLOSE,1);
 COUNT(X_2,N1)>IF(X_1,0,999) AND DYNAINFO(4)>0;