[OnlineGladiator]

> As someone who works for a quantitative hedge fund, you wouldn't believe how many similar results I see of researchers showing a statistically significant predictor of stock market returns. Almost every single one of them is garbage.

Are you able to share any that aren't (or weren't) garbage?

[rbavocadotree]

Here's a disappointingly simple and well known one: Momentum. It produces real, statistically significantly, excess risk-adjusted returns over an index.

The remarkable thing is that it has been well known for decades, and continues to work. Many fortunes have been made by systematically exploiting it.

[jefftk]

Ones that aren't garbage are valuable! Until the rest of the market adjusts, and then they're garbage.

[jjeaff]

Exactly, there is no actionable publicly known indicator. Because the moment it becomes known by a large enough group of traders, it becomes useless.

[OnlineGladiator]

He could share past insights that are no longer relevant. I obviously don't expect him to give away a stock tip worth millions of dollars.