通达信试盘尖兵选股指标公式源码副图

X_1:=MA(CLOSE,20);
X_2:=X_1-2*STD(CLOSE,20);
X_3:=REF(CLOSE,1)
X_4:=CLOSE>OPEN;
X_5:=X_3 AND X_4;
XG:X_5 AND NOT(REF(X_5,1));