自动生成的模板
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practice
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print out closing data every minute
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is_stale
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can_trade 判断asset alive? 如果可以,order_target_percent to desired portfolio 配置比例
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------------1990 代流行的Pairwise Trading 配对交易-----
researching
核心就是 先观察两个股票的correlation相关性。如果相关性很大,会期望涨一起涨 跌一起跌。
并且他们的Spread在Normalize之后应该有一个较为稳定的mean,两只股票的差价不能超过过大。当超过Z-score多少的Spread时候肯定不对,这个时候我们可以下手。
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使用Spread.Rolling on past 30 days是因为在实战时候没有历史数据用的,必须累计30天就用30天
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实战:
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这个只是一个Naive Model不要太关心Returns..
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-----Pipeline----
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这边用了一个Mask= small prices 以及Filter
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