记录历史涨跌幅和时间

W:=BARSLAST(DISPSTATUS=1);
低涨:(H/LLV(LOW,W)-1)*100,COLOR0000FF,LINETHICK0,PRECIS2;
高跌:(L/HHV(HIGH,W)-1)*100,COLOR0000FF,LINETHICK0,PRECIS2;
天日:BARSLAST(L=LLV(LOW,W)),COLOR00FFFF,LINETHICK0,PRECIS0;
天:BARSLAST(H=HHV(HIGH,W)),COLOR00FFFF,LINETHICK0,PRECIS0;
{以下设置提示文字部分}
DRAWTEXTREL(15,100,'■低点至今日最高点上涨:'+NUMTOSTRN(低涨,2)+'％'+NUMTOSTRN(天日,0)+'天'),COLORFF50FF;
DRAWTEXTREL(15,180,'■高点至今日最低点下跌:'+NUMTOSTRN(高跌,2)+'％'+NUMTOSTRN(天,0)+'天'),COLORFF50FF;
DRAWTEXTREL(15,260,'■目前可见K线:'+NUMTOSTRN(W+1,0)+'天'),COLOR00FF00;