Then you better not buy index funds. Those are basically trend-following systems... | Hacker News

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		steveplace on Dec 9, 2008 \| parent \| context \| favorite \| on: Using an automated day trader to generate income Then you better not buy index funds. Those are basically trend-following systems over the long term. And there is statistical data to back up that trend following does work.

jcl on Dec 9, 2008 [–]

I think he means that there is no theoretical basis for a long-term system that claims to beat the indexes. Index funds don't, by definition.

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