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Low-Latency Market Data Architecture in Python: A-Share API Selection and Real-Time Event Loops

This story is from 2026-09-24. It is preserved in the archive; the latest stories are on the live feed.

If you are building quantitative trading algorithms or client-facing advisory tools, data latency is your primary operational risk. I learned this the hard way early in my quant journey. I built an automated equity monitor using a standard Python script that polled a free REST API every three secon…

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  1. 2026-09-24 02:36 · DEV Community — AI
    Low-Latency Market Data Architecture in Python: A-Share API Selection and Real-Time Event Loops

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