So do stock exchanges. If you're running a stock exchange, you're fine. If you'r... | Hacker News

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		stavros on Jan 8, 2024 \| parent \| context \| favorite \| on: Buffett once bet $1M that he could beat a group of... So do stock exchanges. If you're running a stock exchange, you're fine. If you're gambling with stocks, diversify.

cheonic720 on Jan 8, 2024 [–]

> So do stock exchanges.

Stock exchanges do not use probabilities.

They have (mostly) fixed trading fees.

kasey_junk on Jan 8, 2024 | [–]

But clearing houses do. Which is why they demand different amounts of collateral for different symbols and contracts.

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