Research brief 003

Can trading volume reveal disagreement that prices miss?

A news event moves both price and volume. Their relationship may contain a different signal from the headline itself.

The idea worth investigating

Li and Luan infer investor disagreement from the relationship between volume and volatility around company news. The same headline can produce very different reactions among investors.

The full analysis examines the study and the practical question behind it: A news event moves both price and volume. Their relationship may contain a different signal from the headline itself.

Includes a house adaptation; author findings and our results are assessed separately.

Paid analysis on Substack

See what changes the investment case.

The headline is the starting point. The subscriber analysis takes you through:

  • How the paper measures disagreement
  • Our event-feed substitution and coverage checks
  • The measured results and our assessment
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