学会这个方法，抓10倍大牛股的概率提升10倍>>

N:=20;

N1:=7;

N2:=69;

VAR5:=((REF(HIGH,1)+REF(LOW,1))/(2));

VAR6:=MA(CLOSE,N)+((2)*(STD(CLOSE,N)));

DRAWTEXT(CROSS(VAR5,VAR6),HIGH*1.01,'卖'),COLORgreen;