csi300成份股csi300.txt部分数据有冲突

[17hhh]

❓ Questions and Help

通过cn_index中collector.py获取csi300指数成份股2008年到2025年的数据，发现其中部分股票的年份有误，怎么才能拿到无误的数据呢？

[SunsetWolf]

I tried to generate csi300.txt with the command python collector.py --index_name CSI300 --qlib_dir ~/.qlib/qlib_data/cn_data --method parse_instruments, and I didn't find the problem you mentioned in it.

[17hhh]

Thank you for your response. I tried the command again as mentioned above. Could you please take a look at the stock SH600023? There are data for two time periods: from 6/16/2014 to 6/12/2020, and from 1/1/2005 to 5/14/2025. It's evident that these two time periods overlap. The issue would be more apparent if the stocks were sorted.

[SunsetWolf]

I found this problem, would you like to fix it? Contributing your code is very welcome.