📝 Executive Summary
Miami International Holdings reported a mixed October 2026 performance, with options ADV falling 13.5% year-over-year to 11.29 million contracts. Despite the monthly decline in options and a 51.4% drop in MIAX Pearl equities volume, the firm maintained a 16.6% year-to-date increase in multi-list options ADV. Meanwhile, the firm's futures segment showed strong momentum, with financial futures ADV surging 117.1% month-over-month.