黑旋风

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);{www.tzj123.com}
风:CROSS(CLOSE,X_4) AND X_4>REF(X_4,1),COLORYELLOW;