下跌:=HHVBARS(HIGH, 30) > LLVBARS(LOW, 5);:=(HHV(HIGH, 30) - LLV(LOW, 5)) / HHV(HIGH, 5) ;跌幅A:INTPART(跌幅 * (下跌)*100)*5,COLORGREEN;:=HHVBARS(HIGH, 5) < LLVBARS>0,涨幅A-跌幅A,0),COLORLIRED;净空单:IF(跌幅A-涨幅A>0,跌幅A-涨幅A,0),COLORLIBLUE;界:50,COLORWHITE,DOTLINE;四分一仓界:25,COLORGRAY,DOTLINE;