I Fixed Two Bugs in My A-Share Backtest. 47x of the Edge Vanished, and Every 'Buy' Pattern Went Negative
This story is from 2026-09-24. It is preserved in the archive; the latest stories are on the live feed.
TL;DR — I rebuilt my Chinese A-share signal study on 3,145 main-board stocks × 622 trading days (2024-01-26 → 2026-09-18) = 904,775 pattern-labelled stock-days , using free data. Two measurement bugs were inflating the results. After fixing them, none of the six classic chart patterns beat the equa…
Read the full story at DEV Community — AI ↗
Timeline · 1 report
- 2026-09-24 12:57 · DEV Community — AI
I Fixed Two Bugs in My A-Share Backtest. 47x of the Edge Vanished, and Every 'Buy' Pattern Went Negative