This is a summary of links featured on Quantocracy on Friday, 08/11/2023. To see our most recent links, visit the Quant Mashup. Read on readers!
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8 ways pandas is losing to Polars for quick market data analysis [PyQuant News]In todays newsletter, youll use Polars, a high-speed data-handling tool thats becoming essential in quantitative finance and algorithmic trading. Youll see how to compare its performance to pandas for many common data manipulation techniques. By the end of this post, youll understand how Polars can improve your data processing speed, especially when working with large datasets. So
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Value and Profitability/Quality: Complementary Factors [Alpha Architect]In his 2012 paper The Other Side of Value: The Gross Profitability Premium, Robert Novy-Marx demonstrated that profitability, as measured by gross profits-to-assets, had roughly the same power as book-to-market (value factor) in predicting the cross-section of average returns profitable firms generated significantly higher returns than unprofitable firms despite having significantly