There's no evidence that the majority of HFTs consistently make a profit. It may...

nradov on May 13, 2011 | parent | context | favorite | on: The stock market is controlled by algorithms that ...

There's no evidence that the majority of HFTs consistently make a profit. It may just look that way due to survivorship bias. The HFTs that do make a profit are harvesting their gains from other active traders, not from long-term investors.