飞狐布林乖离选股指标公式

{布林上下乖离太大可能反弹}
BBI:=(MA(CLOSE,3)+MA(CLOSE,6)+MA(CLOSE,12)+MA(CLOSE,24))/4;
UPR:=BBI+3*STD(BBI,10);
DWN:=BBI-3*STD(BBI,10);
var55:=(UPR-DWN)/UPR<0.03;
var56:=(UPR-DWN)/UPR>0.18;

var57:=(MA(CLOSE,60)-MA(CLOSE,5))/MA(CLOSE,60)>0.15;
可能反弹:var57 and var56 and CLOSE>OPEN;