An oral history of Bank Python (2021)

Other: Banking Technology(calpaterson.com)view on HackerNews
Bank Pythoninvestment banksfinancial softwarePythonglobal databasedirected acyclic graphjob runnerbanking technology.

Author: tosh

Date: 6/25/2026

Article Summary:
A deep dive into the inner workings of Bank Python, a proprietary fork of the Python ecosystem used by investment banks, featuring a global database of Python objects, a directed acyclic graph of financial instruments, and a bank-wide job runner.