Everyone Says Volume Confirms a Gap-Up. 1.9 Million A-Share Stock-Days Say the Opposite.
This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.
A gap up on heavy volume is supposed to be confirmation . A gap up on thin volume is supposed to be a trap. I finally had the data to check it: 641 adjusted daily bars for 3,116 Shanghai/Shenzhen main-board stocks — 1.91 million stock-days , running through the 2026-10-22 close, pulled from a free…
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- 2026-10-22 15:53 · DEV Community — AI
Everyone Says Volume Confirms a Gap-Up. 1.9 Million A-Share Stock-Days Say the Opposite.