According to BlockBeats, on March 12th, Vetle Lunde, a senior analyst at K33 Research, stated that the open interest in CME Bitcoin futures has surpassed 150,000, setting a new historical high. Vetle Lunde mentioned that over the past three weeks, all growth in CME exposure has come from 2x long BTC ETFs, with their BTC equivalent exposure surging 148% within three weeks.