【箱顶】:PEAK(CLOSE,N,1)*0.98,COLOR00FFFF;
【箱底】:TROUGH(CLOSE,N,1)*1.02,COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=1,【箱顶】,'----------'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=1,【箱底】,'----------'),COLORFFFFFF;
【箱高】:100*(【箱顶】-【箱底】)/【箱底】,NODRAW;
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试试看,是不是你想要的效果