Study Suggests High Frequency Trading Might Cost Small Investors Almost One One-Hundredth Of One Percent Of Their Investments » I considered cutting this off halfway because it is perfectly symmetrical so all the data would be here. So if you want to know how much money Non-HFT Market Makers make from Opportunistic traders, that’s the same as the amount that Opportunistic traders lose to Non-HFT M.M.s, which is $1.06mm. But then you’d be missing the totals.

I considered cutting this off halfway because it is perfectly symmetrical so all the data would be here. So if you want to know how much money Non-HFT Market Makers make from Opportunistic traders, that's the same as the amount that Opportunistic traders lose to Non-HFT M.M.s, which is $1.06mm. But then you'd be missing the totals.