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lotu
on Nov 8, 2012
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How I made $500k with machine learning and high fr...
The problem is he was also selling short. If you pick stocks randomly and randomly pick to buy or sell you shouldn't make money, ever.
mikeash
on Nov 8, 2012
[–]
You're right, if you're randomly and without bias including short selling then you'd expect to neither make nor lose money, aside from transaction fees.
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