Miami International Holdings, Inc. Common Stock (MIAX)

Miami International (NYSE:MIAX) reported record first-quarter 2026 revenue as higher options trading volumes, market volatility and expanding contributions from other business lines lifted results, executives said on the company’s earnings call. Chairman and Chief Executive Officer Thomas P. Gallag

MIAX Q1 2026 Earnings Transcript

Doubling your money could be just the beginning, too.

This diversified exchange operator, active across options and equities, reported a significant insider sale in its latest SEC filing.

Robinhood wants to be the top dog in prediction markets.

Caldwell Loads Up On Miami International Holdings (MIAX) With 663,000 Shares in Q3 Buy

Investors looking at housing and homebuilders are probably wondering what to make of the seemingly contradictory messages out of the housing market.

From tech titans and international hotel brands to down-home Texas fare and online car shopping, the matchups run from familiar to delightfully unexpected -- plus plenty of banter.

Miami International is "reinventing" the U.S. options market and its market share has expanded from 7% in 2015 to 16% in 2025.

Miami International shares soared more than 40% in their debut on the NYSE on Thursday. The options exchange operator raised $345 million through the IPO.