M
Miami International Holdings
Also offers a trading platform
About Miami International Holdings
Miami International Securities Exchange, LLC (MIAX) operates a fully electronic options exchange, specializing in the trading of standardized options on equities and ETFs. MIAX serves a diverse range of clients including institutional investors, market makers, and proprietary trading firms. Operating within the highly competitive financial markets, MIAX differentiates itself through its unparalleled system throughput, capable of handling over 38 million quotes per second, and ultra-low latency, with an average round-trip quote latency of 15.89 microseconds. The business model revolves around providing a robust and efficient trading platform, generating revenue through transaction fees, membership fees, and market data sales. MIAX's market protections offer members industry-leading processes to minimize risk exposure, enhancing the trading experience. The company continues to innovate and expand its offerings, maintaining a strong focus on leveraging its management's expertise in the equity options space.
Source: Dealroom company dataAt a glance
- Status
- Listed
- Founded
- 2007
- Headquarters
- West Windsor Township, United States
- Listing
- IPO 2025
- Employees
- 87
- Open positions
- None listed
- Dealroom signal
- 76.8/100
- Industry
- Fintech
- Sector
- Fintech, Verified Unicorns and $1B Exits, Verified Thoroughbreds, Quasi tech
- Client focus
- b2b
- Investment activity
- 15 companies, latest Dec 2025
- Capital deployed
- $167M
- Preferred round
- SEED
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| POST IPO EQUITY✓Other financing | Mar 2026 | $1.8M | — | Tudor Investments | ↗ |
| POST IPO EQUITY✓Other financing | Dec 2025 | $2.8M | — | Undisclosed | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Miami International Holdings is 23K monthly website visits, down 14.8% over the last three months. Miami International Holdings's team grew 6.1% over the past year.
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A1 investor entered at this stage
Capitoria
Series B and later2 investors entered at this stage
Warburg Pincus
Tudor Investments
Other known investors1 additional known investor
Optiver
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Miami International Holdings on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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