Arbitrage over time is properly called arbitrage. If the fluctuations are known ... | Hacker News

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		ikeboy on April 10, 2019 \| parent \| context \| favorite \| on: Nassim Talebs case against Nate Silver is bad math Arbitrage over time is properly called arbitrage. If the fluctuations are known in advance, then you make a guaranteed profit by trading over time.

ummonk on April 12, 2019 [–]

Yes, but you don't "know" the fluctuations in advance. You just have educated guesses about how they will mean-revert.

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