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How the Zipline ecosystem evolved toward asynchronous live trading — and why a single keyword in front of every function call turns out to be the answer we were all circling around.

Apr 02, 2026

data.history() in ziplime Polars, Parquet & asyncio instead of bcolz

How the Zipline fork rethought market data storage — and what it means for writing trading algorithms today.

Apr 09, 2026