{新年贺礼分享日期涨幅指标}
INPUT: STARTDATE(20240101, 20200101, 20991231), ENDDATE(20240131, 20200101, 20991231);
VAR1:=IF(DATE>=STARTDATE AND DATE<=ENDDATE, 1, 0);
VAR2:=BARSLAST(VAR1=1);
VAR3:=IF(VAR2>=0, REF(C, VAR2), 0);
区间涨幅:IF(VAR3>0, (C-VAR3)/VAR3*100, 0);
DRAWTEXT_FIX(1,0.01,0.01,0,'区间:'+NUMTOSTRN(STARTDATE,0)+'-'+NUMTOSTRN(ENDDATE,0)),COLORYELLOW;
DRAWNUMBER_FIX(1,0.01,0.05,0,区间涨幅),COLORRED;
