Group 1 - CME Group announced record trading volume and open interest in its battery metals complex, with 2,587 contracts traded on May 29, surpassing the previous record of 2,301 contracts set on February 11, 2025 [1] - The combined open interest reached an all-time high of 64,387 contracts [1] - The growth was driven by benchmark Lithium Hydroxide and Cobalt Metal futures, each exceeding 1,000 contracts traded in a single day for the first time [2] Group 2 - Average daily volume year-to-date for battery metals is 837 contracts, reflecting a 100% increase from the previous year [2] - CME Group's battery metals suite includes various futures and options products such as Lithium Hydroxide, Lithium Carbonate, Cobalt Metal, Cobalt Hydroxide, and Spodumene [3] - The company offers the widest range of battery metals products, with all top 10 volume days occurring this year [2]