学会这个方法，抓10倍大牛股的概率提升10倍>>

ZDF:=(C-REF(C,1))/REF(C,1)*100;
XG:ABS(C-O)/O<0.01 AND C>=O AND RANGE((L-MA(C,20))/L,-0.015,0.02) AND REF(ZDF,1)<-2;