“High-speed traders are using a hidden facet of the Chicago Mercantile Exchange‘sCME -0.65% computer system to trade on the direction of the futures market before other investors get the same information.
Using powerful computers, high-speed traders are trying to profit from their ability to detect when their own orders for certain commodities are executed a fraction of a second before the rest of the market sees that data, traders say.
The advantage often is just one to 10 milliseconds, according to people familiar with the matter and trading records reviewed by The Wall Street Journal. But that is plenty of time for computer-driven traders, who say they can structure their orders so that the confirmations tip which direction prices for crude oil, corn and other commodities are moving. A millisecond is one-thousandth of a second.
The ability to exploit such small time gaps raises questions about transparency and fairness amid the computer-driven, rapid-fire trading that increasingly grips Wall Street and confounds regulators.
The Chicago Mercantile Exchange, a unit of CME Group Inc., is the largest U.S. futures exchange, handling 12.5 million contracts a day on average in the first quarter, according to Sandler + O’Neill Partners L.P. High-frequency trading generated about 61% of all futures-market volume, up from 47% in 2008, according to Tabb Group.
Fast-moving traders can get a head start in looking at key information because they connect directly to the exchange’s computers, giving them the data just before it reaches the so-called public tape accessible to everyone else. The exchange connections contain a host of data, of which the advance notice of trade confirmations is only a piece.
All firms that connect directly to CME’s trading computers are able to get information ahead of the market when their trades are executed, firm officials say. But many companies are unaware of the advantage or choose not to use it, traders say, either because they don’t have the technology to take advantage of such tiny edges or employ different investing strategies.
CME spokeswoman Anita Liskey said the exchange operator is aware of the order delays, which industry officials refer to as a “latency.” …”
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