Which provides an advantage to the likes of BATS who charges HFT's for feeds before the whole trade is executed. Isn't that similar to a casino charging well funded players a peek at the cards before they are dealt, so they can decide on their bets. I guess it depends on which side of the fence your sitting on, right. Per mortals can never use HFT, we wouldn't have the resources to get feeds from the likes of BATs or any matching and parsing engine.And it has happened to HFT, as Craig Pirrong points out:
"In fact, HFT has followed the trajectory of any technological innovation in a highly competitive environment. At its inception, it was a dramatically innovative way of performing longstanding functions undertaken by intermediaries in financial markets: market making and arbitrage. It did so much more efficiently than incumbents did, and so rapidly it displaced the old-style intermediaries. During this transitional period, the first-movers earned supernormal profits because of cost and speed advantages over the old school intermediaries. HFT market share expanded dramatically, and the profits attracted expansion in the capital and capacity of the first-movers, and the entry of new firms. And as day follows night, this entry of new HFT capacity and the intensification of competition dissipated these profits. This is basic economics in action."
https://www.forbes.com/sites/timwor...y-trading-is-over-dead-its-done/#3d631b27dcf8
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