Would be simple to test with past data, surely. | Hacker News

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		pbhjpbhj on Sept 7, 2018 \| parent \| context \| favorite \| on: Don't Steal Money from Day Traders Before They Los... Would be simple to test with past data, surely.

cm2187 on Sept 7, 2018 | [–]

Yep, assuming every announcement is a complete surprise to the market, which is also unlikely.

ed312 on Sept 7, 2018 | [–]

This would also require you to log all past predictions for a large enough sample of events to be worthwhile.

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