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NumPy for quantitative finance after work: arrays before DataFrames
NumPy for quantitative finance after work: vectorized returns, broadcasting, and reproducible RNG. Educational only. Not investment advice.
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Tag: numpy
NumPy for quantitative finance after work: vectorized returns, broadcasting, and reproducible RNG. Educational only. Not investment advice.
Arrays and tables solve different shapes of work. Here is how evening learners from Excel should choose which library to open first.
NumPy 2.5.0 (21 Jun 2026) is a transitional release: Python 3.12–3.14, distutils gone, array-API descending sorts on np.sort / np.argsort. Follow-ups 2.5.1 (4 Jul) and 2.5.2 (9 Aug 2026). NaNs still sort to the end. Three things to try tonight. Not investment advice.