My A-Share Screener Fired 6,548 Times. 85% Came From 11 Months — and My New Filter Was Noise
This story is from 2026-10-26. It is preserved in the archive; the latest stories are on the live feed.
I maintain a three-pillar A-share screener: technical structure , fundamentals , and flow/intel . Two of those pillars I refuse to backtest with the data I have, because I only hold today's PE/PB snapshot and applying it to 2024 bars is textbook look-ahead. So the measurable pillar is the technical…
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- 2026-10-26 12:17 · DEV Community — AI
My A-Share Screener Fired 6,548 Times. 85% Came From 11 Months — and My New Filter Was Noise