股价向下阴线回抽上轨的选股公式。
N:=26;
P:=2;
BOLLMID:=MA(C,N);
BOLLUP:=BOLLMID+ P*STD(C,N);
ZONGZU:=(BOLLMID+BOLLUP)/2;
XG1:REF(L>BOLLUP,1) AND REF(C<O,1) AND C<O AND H>BOLLUP;
