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Head of Fin dept at DU, crunched #s w/quants, helped money managers sleep (slightly) better. Now writing about markets, models, & messes.

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Latest Issues

When the insiders and the news disagree: a first look at the cross-signal

When the insiders and the news disagree: a first look at the cross-signal

Tommi Johnsen and Svetlana Shasharina

What this is about

Two different sources each tell you something about where a stock is going. The first is insider trad...

10 days ago
2

Most of the insider trading alpha is gone by the time you see the filing: poof!

The academic literature on legal insider trading is unusually mature. Sixty years of work, replicated across multiple samples and methodologies, has converged on a few consistent claims: insider purchases carry information, insider sales mo...

22 days ago
3
8

Nine Pounds of Ore for an Ounce of Gold

Last night the pipeline pulled 1,199 financial news articles tagged across nine GICS sectors. It started at 9 PM Mountain Time and finished around 1 AM. By morning we had sorted the catch. One hundred and six articles carried direction. The...

a month ago
4
2

A Day Is Now What a Decade Used to Be

Here is a question we have been circling for a while, and that the financial sentiment literature has not asked sharply enough.

Thanks for reading! Subscribe for free to receive new posts and support my work.

Why does sentiment predict re...

a month ago
7

Sentiment is not one signal

Tommi Johnsen and Sveta Shasharina

Thanks for reading! Subscribe for free to receive new posts and support my work.

Most sentiment research treats the question as one thing. Take a corpus of news articles. Classify each as positive, negat...

a month ago
4

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  • Tommi Johnsen, PhD

    Head of Fin dept at DU, crunched #s w/quants, helped money managers sleep (slightly) better. Now writing about markets, models, & messes.

  • Svetlana Shasharina, PHD

    A physicist, yogi being.

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