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投资实证记录101:依旧抱团行情,依旧挨打

  • 2026-05-26 11:58:54
投资实证记录101:依旧抱团行情,依旧挨打

1.市场概况

       今天全市场2180家上涨,全市成交额3.23万亿左右。

    其中沪深300涨跌1.58%,中证500涨跌1.48%,中证1000涨跌1.23%。大盘股跌,小盘股跌,双创上涨,指数上涨,这行情没谁了,只要分散化持仓就亏,个股在下跌,指数在猛涨。

2.实盘记录

①大盘AH低溢价策略

     今天大盘AH低溢价策略收益-0.59%,沪深300涨跌1.58%,跑输2.17%左右,本月超额-3.37%左右。根本吃不到溢价,除非该策略持有科创与创业板股,可供选择的双创板股也贵,最低一手基本也要两三万,反而含有双创板股的模拟策略能创造超额,但是因为指数失真,这阵子超额不稳定,没有策略刚执行那时候好。
实盘持仓继续保持不动。

②可转债低估值策略

     今天可转债策略收益-0.14%,可转债指数涨跌0.19%,超额收益-0.33%左右,本月超额-4.17%左右。今天还是老样子挨打,尾盘调出漱玉,调入丰山。

③套利账户情况

今日该账户无操作。

④今年实盘以来收益情况

账户汇总自今年实盘以来收益1.12%。一账户今年实盘以来收益-6.71%,一月份实盘可转债策略,二月份开始实盘AH股低溢价策略,三月份重新开始可转债策略。二账户今年三月份前实盘小盘基本面策略,三月份开始实盘大盘AH低溢价策略,今年实盘以来收益9.15%。

3.市场风格 

①A股市场风格 

     股票市场风格来看,行情很割裂了,高贝塔代表的少数弹性股大涨,而小市值指数代表着市值小于100亿的股票,全市场大概有3000家小于100亿市值的票,结果平均下跌-0.46,而几大宽基指数在双创弹性股的硬涨下硬是红的,抱团极其严重。微盘股今天更是惨,跌幅巨大,但长期来看,微盘股会好于各大指数。
看了下之前较强的微盘公募,今年也仅2.95%收益,大幅跑输各大指数,分散化的长期有效因子组合今年难以捕捉超额收益,而它成立以来的业绩却非常亮眼,可以说是小微盘公募基金里回撤控制很好,收益也很高的代表,风格以小盘价值为主。

②可转债市场风格            

     可转债市场风格来看,高价债仍然强势。而很多债依旧在下跌,低价债也是一直在下跌,和股市风格差不多,长期有效因子正在失效,而动量与高贝塔等风险因子在不断地上涨,一场危机或在酝酿,同时也考验着很多量化投资者的心态,今年获取超额尤为困难。

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  1. CONNECT:[ UseTime:0.000540s ] mysql:host=127.0.0.1;port=3306;dbname=no_mfffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000698s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000309s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000280s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000509s ]
  6. SELECT * FROM `set` [ RunTime:0.000196s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000628s ]
  8. SELECT * FROM `article` WHERE `id` = 542111 LIMIT 1 [ RunTime:0.001487s ]
  9. UPDATE `article` SET `lasttime` = 1779780661 WHERE `id` = 542111 [ RunTime:0.006788s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000278s ]
  11. SELECT * FROM `article` WHERE `id` < 542111 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000489s ]
  12. SELECT * FROM `article` WHERE `id` > 542111 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000387s ]
  13. SELECT * FROM `article` WHERE `id` < 542111 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000753s ]
  14. SELECT * FROM `article` WHERE `id` < 542111 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001221s ]
  15. SELECT * FROM `article` WHERE `id` < 542111 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006546s ]
0.088327s