博易指标公式（顶底机）
VAR1:=(LOW+HIGH+CLOSE*2)/4; DUAN:HHV(MA(VAR1,5),13); ZHONG:MA(DUAN,12),COLORCYAN;
FILLRGN(CLOSE>0 AND DUAN>ZHONG,DUAN,ZHONG),COLORRED; FILLRGN(CLOSE>0 AND DUAN<ZHONG,DUAN,ZHONG),COLORGREEN;
