If stock prices were martingales, you would not be able to predict whether they ... | Hacker News

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nequo on Nov 22, 2022 | parent | context | favorite | on: Are tech stocks now good value?

If stock prices were martingales, you would not be able to predict whether they will continue to drop or rebound after a crash.

oytis on Nov 22, 2022 [–]

Is it not the case?

nequo on Nov 22, 2022 | [–]

Yes, I probably botched the grammar.

But parent was implying that a martingale means that after a crash, stock prices rebound.

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