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量化策略演进手记系列研究报告(附下载)

  • 2026-01-09 20:04:35
量化策略演进手记系列研究报告(附下载)

01

报告摘要

中证 500 指数增强基金超额收益持续衰减。2021 年以来，我们发现传统上管理人认为的相对适合量化策略发挥的中证 500 指数增强难度持续提升，超额收益近两年已经衰减至与沪深 300 相当。本报告中，我们重点就 500 超额难度提升的现象讨论可能的原因及在传统多因子框架上的可能解决方案。

02

报告内容

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量化策略演进手记系列之一：中证500指数增强超额难度提升，传统多因子框架如何应对？-251229-申万宏源-22页

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  140. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000520s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000818s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.008457s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001717s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000787s ]
  6. SELECT * FROM `set` [ RunTime:0.001694s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000584s ]
  8. SELECT * FROM `article` WHERE `id` = 459775 LIMIT 1 [ RunTime:0.002597s ]
  9. UPDATE `article` SET `lasttime` = 1767965782 WHERE `id` = 459775 [ RunTime:0.005560s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.008401s ]
  11. SELECT * FROM `article` WHERE `id` < 459775 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007772s ]
  12. SELECT * FROM `article` WHERE `id` > 459775 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.014006s ]
  13. SELECT * FROM `article` WHERE `id` < 459775 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.041002s ]
  14. SELECT * FROM `article` WHERE `id` < 459775 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.052792s ]
  15. SELECT * FROM `article` WHERE `id` < 459775 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.051449s ]
0.275797s