各位大神,求股票数据库里多个股价观测之间最大值的问题。求教下股票数据表中求每个日期之后60天内股价最大值,和每个日期与指定日期期间股价最大值。股价nclose.
1.从本行的nclose起到该行的后第60天之内的(rankseq+59行)共60个nclose的最大值; 
   如果rankseq到该股票代码最后一行的rankseq计数小于60,则取该行到最后一行之间的nclose最大值即可.
2.每行的nclose与到指定日期(例如2022/8/16日)期间nclose的最大值

链接:
https://pan.baidu.com/s/10Ta73OBFnrsRt9bM2y2GRw?pwd=o3s8 
提取码:o3s8 
--来自百度网盘超级会员V1的分享
帖子上传不了,搞个网盘链接,麻烦了
 
| STOCKCODE | STOCKNAME | DATE | nclose | rankseq | max60 | maxday(2022/8/16) | 
| 600250 | 南纺股份 | 2022/8/11 | 5.09 | 1 | 5.15 | 5.1 | 
| 600250 | 南纺股份 | 2022/8/12 | 5.04 | 2 | 5.15 | 5.1 | 
| 600250 | 南纺股份 | 2022/8/15 | 5.08 | 3 | 5.15 | 5.1 | 
| 600250 | 南纺股份 | 2022/8/16 | 5.1 | 4 | 5.15 | 5.1 | 
| 600250 | 南纺股份 | 2022/8/17 | 5.15 | 5 | 5.15 | 5.15 | 
| 600250 | 南纺股份 | 2022/8/18 | 5.1 | 6 | 5.1 | 5.15 | 
| 600250 | 南纺股份 | 2022/8/19 | 5.08 | 7 | 5.08 | 5.15 | 
| 600251 | 冠农股份 | 2021/9/2 | 9.634514 | 1 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/3 | 9.186165 | 2 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/6 | 9.245945 | 3 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/7 | 10.17253 | 4 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/8 | 10.42161 | 5 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/9 | 10.31202 | 6 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/10 | 10.25224 | 7 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/13 | 10.66073 | 8 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/14 | 10.99949 | 9 | 10.99948628 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/15 | 10.86996 | 10 | 10.86996334 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/16 | 10.63084 | 11 | 10.83011013 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/17 | 10.70059 | 12 | 10.83011013 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/22 | 10.83011 | 13 | 10.83011013 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/23 | 10.68066 | 14 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/24 | 10.23231 | 15 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/27 | 9.514954 | 16 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/28 | 9.425284 | 17 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/29 | 8.986899 | 18 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/9/30 | 9.425284 | 19 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/8 | 10.3718 | 20 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/11 | 10.63084 | 21 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/12 | 10.7504 | 22 | 10.75040371 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/13 | 10.15261 | 23 | 10.7304771 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/14 | 10.25224 | 24 | 10.7304771 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/15 | 10.73048 | 25 | 10.7304771 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/18 | 10.57106 | 26 | 10.57106426 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/19 | 10.4515 | 27 | 10.51128444 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/20 | 10.36183 | 28 | 10.51128444 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/21 | 10.51128 | 29 | 10.51128444 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/22 | 9.793927 | 30 | 9.93341288 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/25 | 9.933413 | 31 | 9.93341288 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/26 | 9.634514 | 32 | 9.634513796 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/27 | 9.435248 | 33 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/28 | 8.937083 | 34 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/10/29 | 8.947046 | 35 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/1 | 8.976936 | 36 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/2 | 9.255908 | 37 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/3 | 9.116422 | 38 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/4 | 9.216055 | 39 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/5 | 8.80756 | 40 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/8 | 8.678037 | 41 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/9 | 8.74778 | 42 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/10 | 8.56844 | 43 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/11 | 8.578404 | 44 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/12 | 8.498697 | 45 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/15 | 8.518624 | 46 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/16 | 8.229688 | 47 | 9.594660585 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/17 | 8.359211 | 48 | 10.12271563 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/18 | 8.488734 | 49 | 10.66073398 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/19 | 8.578404 | 50 | 10.66073398 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/22 | 8.797596 | 51 | 10.77033031 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/23 | 8.74778 | 52 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/24 | 8.668073 | 53 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/25 | 8.737817 | 54 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/26 | 8.787633 | 55 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/29 | 8.59833 | 56 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/11/30 | 8.618257 | 57 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/1 | 8.648147 | 58 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/2 | 8.59833 | 59 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/3 | 8.668073 | 60 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/6 | 8.71789 | 61 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/7 | 8.578404 | 62 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/8 | 8.787633 | 63 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/9 | 8.787633 | 64 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/10 | 8.996862 | 65 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/13 | 8.887266 | 66 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/14 | 9.026752 | 67 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/15 | 8.917156 | 68 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/16 | 8.927119 | 69 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/17 | 8.867339 | 70 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/20 | 8.62822 | 71 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/21 | 8.697963 | 72 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/22 | 8.917156 | 73 | 10.89985325 | 11.88 | 
| 600251 | 冠农股份 | 2021/12/23 | 9.026752 | 74 | 10.89985325 | 11.88 |