ELX volume, market share up on 2nd trading day

CHICAGO, July 13 (Reuters) - Trading volume and market share at ELX Futures LP was higher on Monday, the new exchange's second day of attempting to wrestle business away from the dominant CME Group (CME.O).

Through early afternoon, total volume in ELX's U.S. Treasury debt futures, which range from two-year to 30-year maturities, was over 22,000 contracts, against about 19,500 that changed hands on Friday.

In a relatively quiet day for Treasury debt trading, ELX had about a 2.9 percent market share, up from the 1.5 percent share it grabbed on Friday. Bids and offers were running tick-for-tick with CME's more liquid contracts.

New York-based ELX has the backing of 13 major banks and brokerage firms. (Reporting by Ros Krasny; Editing by Leslie Adler)