NYSE:MIAX Miami International (MIAX) Stock Price, News & Analysis $43.28 +0.78 (+1.84%) Closing price 10/24/2025 03:59 PM EasternExtended Trading$43.20 -0.08 (-0.19%) As of 10/24/2025 04:30 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Miami International Stock (NYSE:MIAX) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Miami International alerts:Sign Up Key Stats Today's Range$42.67▼$43.7450-Day Range$33.16▼$44.5852-Week Range$28.63▼$45.63Volume275,247 shsAverage Volume629,263 shsMarket Capitalization$3.44 billionP/E RatioN/ADividend YieldN/APrice Target$42.40Consensus RatingModerate Buy Company Overview 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. These offerings are targeted at participants in U.S. equity and options markets and are structured to integrate with industry-standard clearing and reporting facilities. The company also develops and maintains technology platforms and protocols that enable participants to access its trading venues and ancillary services. Miami International is publicly traded on the New York Stock Exchange under the ticker MIAX and functions as a parent to one or more affiliated exchanges that serve U.S. market participants. Its customer base primarily consists of institutional traders, proprietary trading firms, broker-dealers, and exchanges seeking high-performance trading infrastructure. The company positions itself as a technology-driven market operator focused on performance, transparency, and innovation within U.S. listed derivatives markets.AI Generated. May Contain Errors. Read More Miami International Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks35th Percentile Overall ScoreMIAX MarketRank™: Miami International scored higher than 35% of companies evaluated by MarketBeat, and ranked 11th out of 24 stocks in the financial services sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion2.3 / 5Analyst RatingModerate Buy Consensus RatingMiami International has received a consensus rating of Moderate Buy. The company's average rating score is 2.50, and is based on 4 buy ratings, 4 hold ratings, and no sell ratings.Upside/DownsideThe consensus price target for Miami International is close to its current price, suggesting limited near-term upside or downside.Amount of Analyst CoverageMiami International has been the subject of 8 research reports in the past 90 days, demonstrating strong analyst interest in this stock.Read more about Miami International's stock forecast and price target. Earnings and ValuationN/AProj. Earnings GrowthN/A Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted3.35% of the float of Miami International has been sold short.Short Interest Ratio / Days to CoverMiami International has a short interest ratio ("days to cover") of 1.7, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Miami International has recently increased by 18.72%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldMiami International does not currently pay a dividend.Dividend GrowthMiami International does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted3.35% of the float of Miami International has been sold short.Short Interest Ratio / Days to CoverMiami International has a short interest ratio ("days to cover") of 1.7, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Miami International has recently increased by 18.72%, indicating that investor sentiment is decreasing significantly. News and Social Media1.5 / 5News Sentiment0.70 News SentimentMiami International has a news sentiment score of 0.70. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.98 average news sentiment score of Financial Services companies.News Coverage This WeekMarketBeat has tracked 4 news articles for Miami International this week, compared to 5 articles on an average week.Search InterestOnly 3 people have searched for MIAX on MarketBeat in the last 30 days. This is a decrease of -67% compared to the previous 30 days.MarketBeat FollowsOnly 6 people have added Miami International to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% compared to the previous 30 days. Company Ownership1.7 / 5Insider TradingAcquiring Shares Insider Buying vs. Insider SellingIn the past three months, Miami International insiders have bought more of their company's stock than they have sold. Specifically, they have bought $1,244,618.00 in company stock and sold $0.00 in company stock.Read more about Miami International's insider trading history. 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MIAX Stock News HeadlinesInsider Buying: Miami International (NYSE:MIAX) Director Buys 34,470 Shares of StockOctober 1, 2025 | insidertrades.comMiami International: Unique Tech With Visible Growth CatalystsOctober 24 at 11:01 PM | seekingalpha.comOctober 16 Changes the Microchip Game — and InvestingWhile everyone's chasing the same AI plays, George Gilder is focused on something completely different. He says a 4-nanometer device that's 80 MILLION times more powerful than the chip he gave Reagan is now being made in America for the first time. And he's identified 3 companies that control this technology.October 25 at 2:00 AM | Banyan Hill Publishing (Ad)Miami International Holdings Announces Date of Third Quarter 2025 Earnings Release and Conference CallOctober 21, 2025 | prnewswire.comWilliam Blair Issues Optimistic Outlook for MIAX EarningsOctober 19, 2025 | americanbankingnews.comMiami International Holdings (MIAX): Assessing Valuation Following Recent Shifts in Trading ActivityOctober 18, 2025 | finance.yahoo.comWilliam Blair Has Strong Forecast for MIAX FY2025 EarningsOctober 18, 2025 | americanbankingnews.comMiami International price target raised to $48 from $39 at Piper SandlerOctober 14, 2025 | msn.comSee More Headlines MIAX Stock Analysis - Frequently Asked Questions How have MIAX shares performed this year? Miami International's stock was trading at $33.52 at the beginning of 2025. Since then, MIAX stock has increased by 29.1% and is now trading at $43.2810. When did Miami International IPO? Miami International (MIAX) raised $345 million in an initial public offering on Thursday, August 14th 2025. The company issued 15,000,000 shares at $23.00 per share. When did Miami International's quiet period expire? Miami International's quiet period expired on Tuesday, September 23rd. Miami International had issued 15,000,000 shares in its IPO on August 14th. The total size of the offering was $345,000,000 based on an initial share price of $23.00. During Miami International's quiet period, insiders and underwriters involved in the IPO were restricted from issuing any research reports or earnings estimates for the company because of SEC regulations. Now that the company's quiet period has ended, brokerages that served as underwriters are now able to initiate research on the company. Who are Miami International's major shareholders? Miami International's top institutional shareholders include Allspring Global Investments Holdings LLC (0.57%). View institutional ownership trends. How do I buy shares of Miami International? Shares of MIAX stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. Company Calendar Today10/24/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNYSE SectorFinancial Services Industry Security And Commodity Brokers, Dealers, Exchanges & Services Sub-IndustryTrading Current SymbolNYSE:MIAX Previous SymbolNYSE:MIAX CIK1438472 WebN/A Phone(609) 897-7300FaxN/AEmployees433Year FoundedN/APrice Target and Rating Average Price Target for Miami International$42.40 High Price Target$50.00 Low Price Target$32.00 Potential Upside/Downside-2.0%Consensus RatingModerate Buy Rating Score (0-4)2.50 Research Coverage8 Analysts Profitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares79,430,000Free FloatN/AMarket Cap$3.44 billion OptionableN/A BetaN/A A Guide To High-Short-Interest StocksMarketBeat's analysts have just released their top five short plays for November 2025. Learn which stocks have the most short interest and how to trade them. Enter your email address to see which companies made the list.Get This Free Report This page (NYSE:MIAX) was last updated on 10/25/2025 by MarketBeat.com Staff From Our PartnersNEW LAW: Congress Approves Setup For Digital Dollar?Trump Ally Says Congress Approved the Setup for a Digital Dollar 2.0 But according to Rep. 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