More on CME Group (CME): Q4 misses estimates across the board as revenue slips by 11% Y/Y. Net earnings plummeted 78% after a prior-year tax benefit and as trading volume remained weak. An average 10.2M contracts traded per day across CME's platforms in the quarter, down 13% from the year-earlier period. Lower volume also led to a 9% drop in clearing and transaction fees revenue. Market data and information services revenue dropped 25%. Shares -0.7% AH.