AdvancedStock Alerts + Tools0:46Quant

Every Factor Has a Bad Decade

Factors take turns working, and the periods of underperformance are long enough that almost nobody sits through them.

0:46 · 6 scenes

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What the lesson covers

0:00Every documented factor has spent years not working. Every one.
0:05They take turns. The best performing factor of one decade is regularly the worst of the next.
0:15The behaviour it causes. Investors buy the factor after it has worked and abandon it before it does again.
0:24Why timing them fails. Timing a factor means predicting a cycle that nobody has yet predicted reliably.
0:33The honest requirement. Any factor tilt needs a horizon measured in decades, not in years.
0:41Diversify across factors, and size for a very long drought.

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