How online discussion board activity affects stock trading: the case of GameStop.

Financ Mark Portf Mang · 2022 · PMC8965552 · PMID 35371372

Europe PMC DOI

hedged sentences

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closest p

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highly significantno p-value reported

Notably, the lagged dependent variable is highly significant for all trading volume measures but shows a negative sign in contrast to the weekly differences.

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barely significantno p-value reported

While the coefficients are very small and the t-values between 1.69 and 2.56 are only barely significant for all trade volume measures, the small but consistently positive predictive effect of residual Reddit comments on future residual trade volume confirm the picture of our previous results.

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a clear trendno p-value reported

While these measures are calculated as a fraction, their development over time shows a clear trend and indicates non-stationarity.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.