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Speculative and Informative: Lessons from Market Reactions to Speculation Cues

J. Anthony Cookson et al.

Review of Corporate Finance Studies2025https://doi.org/10.1093/rcfs/cfaf021article
AJG 3ABDC A*
Weight
0.40

Abstract

Speculative language in corporate disclosures can convey valuable information about firms’ fundamentals. We evaluate this idea by developing a measure for speculative statements based on sentences marked with the “weasel tag” on Wikipedia. In the 16-week test period after filing, greater use of speculative statements in 10-Ks predicts higher and nonreverting abnormal returns, more insider and informed buying, and higher news sentiment. These findings imply that managers’ usage of speculative language in 10-Ks reflects voluntary disclosure of their private information about the positive prospects of events when market implications of the events are uncertain and thus have room for (re)interpretation. (JEL D82, G14, G12)

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https://doi.org/https://doi.org/10.1093/rcfs/cfaf021

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@article{j.2025,
  title        = {{Speculative and Informative: Lessons from Market Reactions to Speculation Cues}},
  author       = {J. Anthony Cookson et al.},
  journal      = {Review of Corporate Finance Studies},
  year         = {2025},
  doi          = {https://doi.org/https://doi.org/10.1093/rcfs/cfaf021},
}

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Evidence weight

0.40

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.25 × 0.4 = 0.10
M · momentum0.53 × 0.15 = 0.08
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.