CME Group said open interest in its U.S. Treasury futures and options reached a record 36,328,151 contracts on Feb. 19, up from the prior record of 35,120,066 set in November 2025. The company also reported record open interest of 5.8 million contracts in 2-Year U.S. Treasury Note futures and options, 7.9 million in 5-Year U.S. Treasury Note futures, 12.6 million in 10-Year U.S. Treasury Note futures and options, and 3.6 million in 30-Year U.S. Treasury Bond futures and options. CME Group added that the CFTC’s Feb. 10 Commitment of Traders report showed a record 2,100 U.S. Treasury futures large open interest holders.

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