Miami International Holdings reported third-quarter 2026 net revenue of $131 million, a 20% increase year-over-year, driven by strong performance in its options business which saw average daily volume rise 15% to 11.1 million contracts. Adjusted EBITDA grew 47% to $70.8 million with an adjusted EBITDA margin of 54%, while adjusted diluted earnings per share reached $0.45 compared to $0.42 in the prior-year period. The company also updated its full-year 2026 expense guidance, lowering expected adjusted operating expenses to a range of $254 million–$257 million from previous estimates of $260 million–$270 million. MIAX operates regulated financial markets across multiple asset classes including options, futures, equities, and international exchanges.
