黑旋风源码
X_1:=CLOSE; X_2:=(MA(X_1,3)+MA(X_1,6)+MA(X_1,12)+MA(X_1,20))/4; X_3:=X_2+5*STD(X_2,10); X_4:=X_2-5*STD(X_2,10); 风:CROSS(CLOSE,X_4) AND X_4>REF(X_4,1),COLORYELLOW;
