MIAX Reports 16.6% Rise in Multi-List Options Volume YTD

Miami International Holdings, Inc. reported a notable uptick in trading activity through October 2026, with the MIAX Exchange Group recording a 16.6% increase in multi-list options average daily volume compared to the same period a year earlier, the company announced November 5 from its Princeton, N.J. and Miami offices.

The Princeton- and Miami-based firm, which trades on the NYSE under the ticker MIAX, positions itself as a technology-driven operator of regulated financial markets spanning multiple asset classes. The year-to-date figures reflect sustained momentum across the company's exchange platforms as competition in the U.S. options market remains intense.

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The October results underscore a broader expansion trend at MIAX, which has steadily built out its exchange infrastructure to capture a larger share of options flow. Gains in average daily volume are a closely watched benchmark in the exchange industry, as they directly influence transaction-based revenue and competitive standing among rival venues.

While the company did not release a full breakdown of individual platform performance in the initial announcement, the headline volume figure signals that MIAX's technology investments and market structure initiatives have continued to attract order flow well into the second half of 2026.

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