An oral history of Bank Python (2021)

An exploration of 'Bank Python,' a specialized and proprietary version of the Python programming language used within major investment banks. The article details how these institutions maintain custom, global object databases for financial modeling.
Why it matters
It provides rare insight into the hidden, highly technical software infrastructure that powers global financial markets.
The strange world of Python, as used by big investment banks
The article is a technical analysis of software architecture without political or social bias.
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