CME Group's upcoming Q3 2026 earnings release on October 21 carries an 82% market-implied probability of beating consensus, driven primarily by record average daily volume trends through September and the third quarter, including a 22% year-over-year rise in international ADV to 9 million contracts and new highs in agricultural products such as corn futures. These volume gains, alongside continued 20%+ growth in market data revenue seen in the prior quarter's $238 million result, support expectations for revenue near $1.71 billion and EPS around $2.91–$3.01. CME has delivered positive surprises in 76% of recent quarters, with Q2 2026 adjusted EPS of $2.99 exceeding estimates, while product innovations like cloud migration milestones and new futures contracts sustain trading activity and position the exchange for outperformance relative to analyst forecasts.