Barbara Comly Sells 44,445 Shares of Miami International (NYSE:MIAX) Stock

Miami International Holdings, Inc. (NYSE:MIAX) EVP Barbara Comly sold 44,445 shares of the company’s stock in a transaction that occurred on Wednesday, September 2nd. The shares were sold at an average price of $40.49, for a total value of $1,799,578.05. Following the transaction, the executive vice president directly owned 839,564 shares of the company’s stock, valued at $33,993,946.36. This trade represents a 5.03% decrease in their ownership of the stock. The transaction was disclosed in a legal filing with the SEC, which is accessible through this hyperlink. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan.

Miami International Trading Down 0.5%

Shares of Miami International stock opened at $42.50 on Friday. The stock has a market capitalization of $4.22 billion and a price-to-earnings ratio of 55.20. Miami International Holdings, Inc. has a twelve month low of $34.02 and a twelve month high of $57.14. The business’s 50 day simple moving average is $42.81 and its 200-day simple moving average is $43.05.

Miami International (NYSE:MIAX) last released its quarterly earnings data on Wednesday, August 5th. The company reported $0.48 earnings per share (EPS) for the quarter, beating analysts’ consensus estimates of $0.41 by $0.07. The business had revenue of $387.63 million during the quarter. Miami International had a return on equity of 16.95% and a net margin of 9.70%.The company’s revenue for the quarter was up 34.8% compared to the same quarter last year. During the same quarter in the prior year, the firm earned $0.48 EPS. Sell-side analysts predict that Miami International Holdings, Inc. will post 1.7 earnings per share for the current year.

Institutional Inflows and Outflows

Large investors have recently modified their holdings of the business. State of Wyoming bought a new stake in shares of Miami International during the fourth quarter valued at about $26,000. National Bank of Canada FI acquired a new stake in Miami International in the third quarter worth about $29,000. Comerica Bank grew its position in Miami International by 295.6% in the 4th quarter. Comerica Bank now owns 1,254 shares of the company’s stock valued at $56,000 after buying an additional 937 shares in the last quarter. Fifth Third Bancorp acquired a new position in Miami International during the 1st quarter valued at about $61,000. Finally, Caitong International Asset Management Co. Ltd acquired a new position in Miami International during the 4th quarter valued at about $66,000.

Analyst Ratings Changes

Several equities analysts have recently commented on MIAX shares. Zacks Research lowered shares of Miami International from a “strong-buy” rating to a “hold” rating in a research report on Tuesday, June 23rd. Rosenblatt Securities lifted their price objective on shares of Miami International from $61.00 to $62.00 and gave the company a “buy” rating in a research report on Thursday, August 6th. Keefe, Bruyette & Woods boosted their target price on shares of Miami International from $46.00 to $48.00 and gave the company a “market perform” rating in a research note on Friday, August 7th. Weiss Ratings restated a “hold (c)” rating on shares of Miami International in a research report on Friday, August 7th. Finally, Morgan Stanley cut Miami International from an “overweight” rating to an “equal weight” rating and cut their price target for the company from $53.00 to $50.00 in a report on Tuesday, September 1st. Three equities research analysts have rated the stock with a Buy rating and six have assigned a Hold rating to the company. Based on data from MarketBeat, the stock presently has a consensus rating of “Hold” and a consensus price target of $51.40.

Miami International News Summary

Here are the key news stories impacting Miami International this week:

• Positive Sentiment: Miami International Holdings reported that the MIAX Exchange Group’s multi-list options average daily volume increased 25.5% year to date through August 2026, signaling continued momentum in the company’s core trading business. Miami International Holdings Reports August 2026 Trading Results
• Negative Sentiment: Morgan Stanley downgraded MIAX, pressuring the stock by raising concerns about its valuation, outlook, or potential upside. The downgrade was reported alongside a broader decline in the shares. Morgan Stanley downgrades Miami International Holdings
• Negative Sentiment: Company insiders reported selling approximately 169,000 shares worth about $6.6 million in aggregate. The sellers included CEO Thomas Gallagher, EVPs Douglas Schafer Jr., Edward Deitzel, and Barbara Comly, and Director Judson Teekell. Although all transactions were conducted under pre-arranged Rule 10b5-1 trading plans—and executives retained sizable positions—the concentration of sales may weigh on investor sentiment. SEC insider transaction filing

Miami International Company Profile

Miami International (NYSE:MIAX) is a U.S. exchange holding company that operates electronic trading venues and provides market infrastructure for listed options and related products. Its primary business activities include operating regulated exchanges, delivering market data feeds, and offering trading technology and connectivity services designed for professional traders, broker-dealers, and market makers. The company focuses on low-latency execution, order matching, and the operational controls required to support high-volume, automated trading strategies in listed derivatives.

Products and services provided by Miami International include fully electronic order matching engines, transmittable market data and feed products, colocation and connectivity solutions, and tools for risk management and regulatory compliance.