Miami INTL Hldgs Inc.

MIAX

$46.49Aug 14, 2025Apr 30, 2026
FinancialsCapital MarketsFinancial Exchanges & Data$3.59B
MVM
-$50.0M
BLE
-0.074
PositiveNegativeNo data· Dot size = magnitude · Scroll to zoom · Drag to pan
Chart Start
$30.74
2025
Since 2025
+51.2%
vs SPY +10.8%
All-time High
$51.38 · Nov 2025
-9.5% from peak
MVM Rank
#42 of 47
Financial Exchanges & Data
Reaction Win Rate
65%
71 of 110 events

Miami INTL Hldgs Inc. has returned +51.2% from $30.74 since 2025, outpacing SPY's +10.8% over the same period. The stock hit an all-time high of $51.38 in Nov 2025 and is currently 9.5% below that level. Of 110 tracked news events, 65% produced a positive market-adjusted return.

How to use this page
1Company Research Snapshot

Expand to read Wikipedia-sourced background on the company. Click any linked term to explore it inline — no page reload.

2Company Q&A

Common questions answered from real data: performance vs SPY, market cap, profitability, CEO, dividends, and more.

3News & Events

Every dot on the chart is a news event. The return shown is market-adjusted (vs SPY). Green = stock outperformed. Red = underperformed. Dot size = magnitude of reaction.

Company Q&AShow ▼
Hover to inspect

Want the full written briefing?

The chart shows what moved — the briefing shows why. Sourced, dated, no hot takes.

Subscribe on Substack →

News Events

DateReturnCategorySourceHeadline
2025-12-10-9.7%expansionFX News GroupMiami International Holdings launches proposed secondary public offering of 6.75M shares - FX News Group
2025-11-19-7.7%newsYahoo FinanceHere's Why Miami International Holdings, Inc. (MIAX) Could be Great Choice for a Bottom Fisher - Yahoo Finance
2025-12-09-7.0%expansionSeeking AlphaMIAX shareholders launch secondary offering of 6.75 mln shares
2025-12-09-7.0%newsSeeking AlphaMiami International to join Russell 2000 and Russell 3000 indexes
2025-12-09-7.0%expansionPR NewswireMiami International Holdings Announces Launch of Secondary Public Offering of Common Stock - PR Newswire
2025-11-05+6.8%earningsSeeking AlphaMiami International Holdings, Inc. Non-GAAP EPS of $0.42 beats by $0.12, revenue of $109.5M beats by $2.42M
2025-08-15+6.5%newsSeeking AlphaMiami International: Options Tailwinds Make This IPO Attractive
2025-08-18+6.3%newsSeeking AlphaMiami International: Not Trading This Exchange Yet
2026-02-25+5.5%earningsSeeking AlphaMiami International Holdings, Inc. Non-GAAP EPS of $0.52 beats by $0.11, revenue of $124.5M beats by $3.86M
2026-02-25+5.5%newsPR NewswireMiami International Holdings Reports Fourth Quarter and Full Year 2025 Financial Results - PR Newswire
2025-08-17+5.0%newsChartMillMIAX Stock Price, Quote & Chart | MIAMI INTERNATIONAL HOLDINGS (NYSE:MIAX) - ChartMill
2026-03-11-4.4%earningsTipRanksMiami International Holdings Posts Robust Earnings Surge - TipRanks
2025-12-16+4.2%newsYahoo FinanceMiami International Holdings Announces Closing of Secondary Public Offering of Common Stock - Yahoo Finance
2025-12-16+4.2%newsFX News GroupMiami International Holdings announces closing of secondary public offering of common stock - FX News Group
2026-02-09-4.0%earningsPR Newswire UKMiami International Holdings Announces Date of Fourth Quarter 2025 Earnings Release and Conference Call - PR Newswire UK
2026-02-20-3.8%newsInvesting.comMiami International Holdings issues over 2.1 million shares in warrant exercise - Investing.com
2026-04-15+3.5%newsStock Titan[144] MIAMI INTERNATIONAL HOLDINGS, INC. SEC Filing - Stock Titan
2026-04-15+3.5%newsStock TitanMIAX (NYSE: MIAX) Form 144 lists 350,001-share option exercise sale - Stock Titan
2026-04-15+3.5%earningsMarketBeatCapelight Capital Asset Management LP Makes New Investment in Miami International Holdings, Inc. $MIAX - MarketBeat
2026-04-27+3.4%earningsZacksWhy Miami International Holdings, Inc. (MIAX) is Poised to Beat Earnings Estimates Again
2026-04-27+3.4%newsMSNMIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) - MSN
2026-04-27+3.4%earningsYahoo FinanceWhy Miami International Holdings, Inc. (MIAX) is Poised to Beat Earnings Estimates Again - Yahoo Finance
2026-04-27+3.4%executiveTipRanksMiami International Holdings Appoints Eric Sites to Board - TipRanks
2026-04-27+3.4%newsStock TitanEric Sites joins Miami International Holdings (MIAX) board of directors - Stock Titan
2026-04-27+3.4%newsStock TitanMiami International Holdings (MIAX) details 2026 virtual annual meeting and proxy votes - Stock Titan
2026-02-06-3.4%newsFinancial TimesMiami International Holdings Reports Trading Results for January 2026 – Company Announcement - Financial Times
2026-04-03+3.2%newsStock TitanMIAMI INTERNATIONAL (MIAX) director sells 2,700 shares in planned trade - Stock Titan
2025-12-12+3.1%newsSeeking AlphaMiami International's selling stockholders prices $276.75M secondary offering
2026-04-08-3.1%newsInvesting.comBrown Shelly, Miami International Holdings EVP, sells $135k in MIAX stock - Investing.com
2026-04-08-3.1%newsStock TitanMIAMI INTERNATIONAL (MIAX) EVP Shelly Brown trims stake with 3,257-share sale - Stock Titan
2026-01-07-3.0%analystSeeking AlphaMiami International: Fundamentals Justify The Rally (Downgrade)
2026-01-07-3.0%analystSeeking AlphaMiami International: Fundamentals Justify The Rally (Downgrade) (NYSE:MIAX) - Seeking Alpha
2026-04-10+2.8%newsMT NewswiresCME, Nasdaq, Charles Schwab Cited as Defensive Picks Among Exchanges, Brokers, Morgan Stanley Says
2026-04-10+2.8%newsStock TitanMIAX SEC Filings - Miami Intl Hldg 10-K, 10-Q, 8-K Forms - Stock Titan
2026-04-10+2.8%newsStock Titan[Form 4] MIAMI INTERNATIONAL HOLDINGS, INC. Insider Trading Activity - Stock Titan
2026-04-10+2.8%newsMinichartMiami International Holdings, Inc. (MIAX) Files Form 8-K Covering Company Information and Stock Listing on NYSE - Minichart
2025-09-16+2.6%expansionPR NewswireMiami International Holdings Launches Next-Generation Options Trading Floor in Miami - PR Newswire
2026-04-28+2.5%newsStock TitanMiami International (MIAX) director Eric Sites details stock option stakes - Stock Titan
2026-04-28+2.5%earningsMarketBeatCalamos Advisors LLC Buys New Position in Miami International Holdings, Inc. $MIAX - MarketBeat
2026-04-28+2.5%newsStock TitanMiami International Holdings (NASDAQ: MIAX) investor discloses 12.2% stake and board seat - Stock Titan
2026-04-28+2.5%newsMSNIs Miami International Holdings, Inc. (MIAX) stock outpacing its business services peers this year? - MSN
2025-11-07+2.4%earningsSeeking AlphaMiami International Holdings, Inc. (MIAX) Q3 2025 Earnings Call Transcript
2025-11-07+2.4%earningsSeeking AlphaMiami International Holdings, Inc. 2025 Q3 - Results - Earnings Call Presentation
2025-11-07+2.4%newsTradingViewMIAMI INTERNATIONAL HOLDINGS, INC. SEC 10-Q Report - TradingView
2026-04-01+2.4%newsStock TitanMIAX (MIAX) EVP Comly surrenders shares for tax withholding, retains 843,844 - Stock Titan
2026-04-01+2.4%executiveStock TitanTax-withholding share surrender by MIAMI INTERNATIONAL HOLDINGS (MIAX) CEO - Stock Titan
2026-04-01+2.4%executiveStock TitanMiami International Holdings (MIAX) CFO surrenders shares for tax obligations - Stock Titan
2026-04-06+2.3%newsStock TitanMiami International hits 17.3% options share as volume climbs - Stock Titan
2026-04-06+2.3%newsStock TitanShelly Brown 10b5-1 sale: 25,932 MIAX shares (MIAX) - Stock Titan
2026-04-22+2.3%expansionPR NewswireMIAX Launches "Excellence in Every Exchange" Nationwide Advertising Campaign
2026-04-22+2.3%newsStock TitanAfter its 2025 IPO, MIAX takes its brand campaign nationwide - Stock Titan
2025-11-26+2.3%newsStock TitanHorizon Kinetics reports 9.5M MIAX shares and board connection - Stock Titan
2026-01-21+2.2%expansionPR NewswireMiami International Holdings Completes Sale of MIAXdx to Joint Venture Established by Robinhood Markets in Partnership with Susquehanna International Group - PR Newswire
2026-01-21+2.2%M&AStock TitanRobinhood moves deeper into prediction markets with MIAXdx deal - Stock Titan
2026-01-21+2.2%newsTipRanksMiami International Holdings Completes Majority Sale of MIAXdx - TipRanks
2025-10-24+2.2%newsSeeking AlphaMiami International Stock: Unique Tech With Visible Growth Catalysts (NYSE:MIAX) - Seeking Alpha
2026-04-29-2.1%earningsMarketBeatMiami International Holdings, Inc. (NYSE:MIAX) Short Interest Down 33.8% in April - MarketBeat
2026-04-24+1.8%analystZacksMiami International Holdings, Inc. (MIAX) Upgraded to Buy: Here's Why
2026-04-24+1.8%analystYahoo FinanceMiami International Holdings, Inc. (MIAX) Upgraded to Buy: Here's Why - Yahoo Finance
2026-04-25+1.7%newsSimply Wall St.A Look At Miami International Holdings’ (MIAX) Valuation After Recent Share Price Momentum
2026-03-24-1.7%analystYahoo FinanceWall Street Analysts Think Miami International Holdings, Inc. (MIAX) Could Surge 27.94%: Read This Before Placing a Bet - Yahoo Finance
2026-03-24-1.7%newsStock TitanMIAX (MIAX) EVP Shelly Brown sells 25,932 shares under 10b5-1 plan - Stock Titan
2026-03-24-1.7%earningsSeeking AlphaMiami International Holdings: Strong Growth, But Earnings Quality Raises Questions - Seeking Alpha
2026-03-25-1.7%earningsSeeking AlphaMiami International Holdings: Strong Growth, But Earnings Quality Raises Questions
2026-01-15+1.6%newsYahoo FinanceMiami International Holdings, Inc. (MIAX): A Bull Case Theory - Yahoo Finance
2026-01-15+1.6%newsSeeking Alpha2 Of The Best Investment Opportunities I Can Think Of Right Now - Seeking Alpha
2026-01-15+1.6%newsInsider MonkeyMiami International Holdings, Inc. (MIAX): A Bull Case Theory - Insider Monkey
2026-04-20-1.3%newsXã Vĩnh CôngMiami (MIAX) Stock: Fair Value? (Momentum Fading) 2026-04-20 - Community Picks - Xã Vĩnh Công
2026-03-31+1.3%newsStock TitanJill Sommers of Miami International (MIAX) lists fully vested stock options - Stock Titan
2025-10-25+1.3%newsSeeking AlphaMiami International: Unique Tech With Visible Growth Catalysts
2026-04-07-1.2%newsStock Titan[144] MIAMI INTERNATIONAL HOLDINGS, INC. SEC Filing - Stock Titan
2026-04-09-1.1%newsPR NewswireMiami International Holdings Announces the Passing of Board Member Murray Stahl
2026-04-09-1.1%newsStock Titan[Form 4] MIAMI INTERNATIONAL HOLDINGS, INC. Insider Trading Activity - Stock Titan
2026-04-09-1.1%newsStock TitanMIAX (MIAX) EVP Deitzel exercises options, sells 12,335 pre-planned shares - Stock Titan
2026-04-09-1.1%newsStock TitanMIAX (MIAX) EVP Shelly Brown sells 3,257 shares after option exercise - Stock Titan
2026-04-09-1.1%newsStock TitanDirector Murray Stahl passes as Miami International (MIAX) updates board - Stock Titan
2026-04-09-1.1%newsTipRanksMiami International Holdings Mourns Director Murray Stahl - TipRanks
2025-12-11+1.0%newsPR NewswireMiami International Holdings Announces Pricing of Secondary Public Offering of Common Stock - PR Newswire
2025-12-23-0.9%executiveThe Malaysian ReserveThe International Stock Exchange Signs Memorandum of Understanding with Boursa Kuwait to Strengthen Cooperation - The Malaysian Reserve
2025-11-25+0.9%newsSeeking AlphaMiami International announces sale of MIAXdx to Robinhood Markets
2025-11-25+0.9%expansionPR NewswireMiami International Holdings Announces Sale of MIAXdx to Robinhood Markets in Partnership with Susquehanna International Group - PR Newswire
2025-11-25+0.9%M&AInvesting.comMiami International Holdings stock rises after Robinhood partnership deal - Investing.com
2026-03-28+0.8%newsCổng thông tin điện tử tỉnh Lào CaiIs Miami (MIAX) Stock a Safe Investment | Price at $42.33, Up 0.92% - Stock Idea Sharing Hub - Cổng thông tin điện tử tỉnh Lào Cai
2026-01-08-0.8%earningsSeeking AlphaMiami International reports Q4 average daily volume of 11.1M contracts
2026-01-08-0.8%newsPR NewswireMiami International Holdings Reports Trading Results for December and Full-Year 2025 - PR Newswire
2026-04-17-0.8%newsBarrons.comMiami International Holdings and More Stocks See Action From Activist Investors
2026-04-17-0.8%newsZacksIs Miami International Holdings, Inc. (MIAX) Stock Outpacing Its Business Services Peers This Year?
2026-04-17-0.8%earningsMarketBeatMiami International (NYSE:MIAX) EVP Sells $1,294,667.88 in Stock - MarketBeat
2026-04-17-0.8%newsStock TitanMIAX (MIAX) EVP Comly exercises options, sells 29,667 shares under 10b5-1 plan - Stock Titan
2026-04-17-0.8%executiveStock TitanMIAMI INTERNATIONAL (NASDAQ: MIAX) CEO entity sells 224K shares after option exercise - Stock Titan
2026-04-17-0.8%earningsMarketBeatMiami International Holdings, Inc. (NYSE:MIAX) Short Interest Update - MarketBeat
2026-04-17-0.8%earningsSahmMiami International Holdings Announces Date of First Quarter 2026 Earnings Release and Conference Call - Sahm
2026-04-17-0.8%executiveInvesting.com CanadaGallagher, Miami International Holdings CEO, sells $9.7m in stock By Investing.com - Investing.com Canada
2026-03-19+0.8%newsStock TitanMIAX (NYSE: MIAX) insider sale notice for 48,792 common shares - Stock Titan
2026-04-16+0.7%newsZacksBest Momentum Stocks to Buy for April 16th
2026-04-16+0.7%earningsPR NewswireMiami International Holdings Announces Date of First Quarter 2026 Earnings Release and Conference Call
2026-04-16+0.7%earningsStock TitanMIAX posts Q1 results May 6 after close, management call at 5 p.m. ET - Stock Titan
2026-04-16+0.7%newsSahmA Look At Miami International Holdings (MIAX) Valuation After Recent Share Price Momentum - Sahm
2026-04-16+0.7%earningsBolsamaniaMiami International Holdings Announces Date of First Quarter 2026 Earnings Release and Conference Call - Bolsamania
2026-03-04+0.7%newsPR NewswireMiami International Holdings Reports Trading Results for February 2026 - PR Newswire
2026-02-28+0.6%earningsSeeking AlphaMiami International Holdings, Inc. (MIAX) Q4 2025 Earnings Call Transcript
2026-01-19+0.6%newsYahoo FinanceA Look At Miami International Holdings (MIAX) Valuation After Mixed Recent Share Price Performance - Yahoo Finance
2026-04-21+0.4%earningsMarketBeatMiami International Holdings, Inc. (NYSE:MIAX) Receives Consensus Rating of "Moderate Buy" from Analysts - MarketBeat
2026-03-18-0.4%newsStock TitanMIAX EVP and CIO sells 48,000 shares under Rule 10b5-1 plan (MIAX) - Stock Titan
2026-03-26+0.3%analystSeeking AlphaMiami International Offers Growth At A Reasonable Price (Upgrade)
2026-03-26+0.3%analystSeeking AlphaMiami International Offers Growth At A Reasonable Price (Upgrade) (NYSE:MIAX) - Seeking Alpha
2026-03-26+0.3%newsStock TitanDirector sells 300 MIAMI INTERNATIONAL (MIAX) shares in open-market trade - Stock Titan
2026-03-26+0.3%newsStock TitanMiami International (MIAX) adds director Jill Sommers as Lee Becker plans exit - Stock Titan
2026-03-26+0.3%newsTipRanksMiami International Holdings Announces Board Changes and Refresh - TipRanks
2025-11-20-0.1%newsStock TitanMIAX Futures (NYSE: MIAX) Adopts Vermiculus Real-Time Risk Management Platform - Stock Titan
2025-08-14newsSeeking AlphaMiami International shares open at $31 per share, up 35% from IPO price
2025-08-14newsSeeking AlphaMiami International Holdings IPO prices above high end of expected range
2025-08-14newsMLQ.aiAI for investors - MLQ.ai
2025-08-14newsReutersExchange operator Miami International soars 38% in debut after $345 million IPO - Reuters
2025-08-14newsCapital.comMiami International Holdings IPO - Capital.com
tickerdossier.comtickerdossier.substack.com