Miami International Holdings Inc. (MIAX:NYSE) closed at $33.16 on October 26, 2026, down 2.41% on the day. The stock trades 42.0% below its 52-week high of $57.14 and 14.1% above its 52-week low of $29.06. Over the past year, it lost 21.4%. Miami International Holdings Inc. is part of the Technology sector.
In 252 trading sessions since October 24, 2025, MIAX closed higher on 125 days (50%). Its best day was July 28, 2026 (+6.40%) and its worst was October 6, 2026 (-10.29%). The stock moved 10% or more in a single session 1 time.
Miami International Holdings is a technology-driven leader in building and operating regulated financial marketplaces across multiple asset classes and geographies. Our MIAX Exchange marketplaces are enabled by our in-house built, proprietary technology. Our MIAX Exchange trading platform was originally built to meet the high-performance quoting demands of the U.S. options trading industry. We differentiate our trading platform with our throughput, latency, reliability and wire-order determinism. We maintain a broad portfolio of U.S. exchange and clearing licenses, in both securities and futures. We operate markets across a diverse number of asset classes including options and cash equities as well as futures and options on futures.
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Based on end-of-day data. For information only, not investment advice.