Comment on Harry Potter and the Methods of Rationality discussion thread, part 26, chapter 97

Mon, 19 Aug 2013 12:59:41 GMT

It's pretty easy, isn't it?

Check the exchange status, go back in time, buy stocks that are about to go up in price. He can't stop them from going up in price, sure, but him buying is perfectly consistent. I expect he could get a few percent per day without even trying hard.

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