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注册制导致A股L2行情的几个重大变化 #2

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fpga2u opened this issue Feb 10, 2023 · 3 comments
Open

注册制导致A股L2行情的几个重大变化 #2

fpga2u opened this issue Feb 10, 2023 · 3 comments

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@fpga2u
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fpga2u commented Feb 10, 2023

新股首5日不设价格涨跌幅限制,但有波动性停牌。

深交所:

  • 价格笼子优化,不再缓存笼子外订单、改为废单,笼子范围增加10个最小变动的条件。

上交所:

  • 快照优化,取消增量快照,存量快照提速。
  • 逐笔成交和委托合并,取消单独的逐笔成交、逐笔委托。

这些将导致订单簿重建算法调整,本项目将等所有变更都上线后继续,应不晚于23年6月。

@getmonyinfo
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能提供下联系方式吗,感觉集合竞价撮合出来的价格跟实际的对应不上

@fpga2u
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fpga2u commented May 18, 2023

能提供下联系方式吗,感觉集合竞价撮合出来的价格跟实际的对应不上

可以加QQ:78995330

@hanson-young
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我用的是自己的算法进行集合竞价匹配价的计算,我发现了一些问题,可能来源于交易所,这会导致部分股票计算结果和交易所有差异 @getmonyinfo @fpga2u
https://zhuanlan.zhihu.com/p/645070644?

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