MIAX
Miami International Holdings, Inc.Financial Services · $3.3B market cap
Verdict
We can't put a fair value on MIAX right now.
Business quality
1 of 5 clear the 10% bar. What are the Big Five?
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Create a free accountInsider activity
Since Sep 2, 2026: no open-market purchases, 6 sales worth $6.6M and 10 other filings (stock awards, tax withholding and similar). Why purchases matter
Sales
Deitzel Edward
EVP, CRO, CCO MIAX Exchanges · 2026-09-03
Sold
$464K
Gallagher Thomas P.
Chairman & CEO · 2026-09-03
Sold
$2.0M
Teekell Judson Gray
director · 2026-09-02
Sold
$123K
Teekell Judson Gray
director · 2026-09-02
Sold
$231K
Schafer Douglas M. JR
EVP and CIO · 2026-09-02
Sold
$1.9M
Show all 6 salesShow fewer
Comly Barbara J.
EVP, GC & Corporate Secretary · 2026-09-02
Sold
$1.8M
Other filings
Brown Shelly
EVP, Chief Strategy Officer · 2026-09-11
Tax withholding
$693K
Deitzel Edward
EVP, CRO, CCO MIAX Exchanges · 2026-09-03
Option exercise
$132K
Gallagher Thomas P.
Chairman & CEO · 2026-09-03
Option exercise
$100K
Gallagher Thomas P.
Chairman & CEO · 2026-09-03
Option exercise
$200K
Gallagher Thomas P.
Chairman & CEO · 2026-09-03
Option exercise
$100K
Show all 10 other filingsShow fewer
Gallagher Thomas P.
Chairman & CEO · 2026-09-03
Option exercise
$200K
Gallagher Thomas P.
Chairman & CEO · 2026-09-03
Option exercise
$564K
Schafer Douglas M. JR
EVP and CIO · 2026-09-02
Option exercise
$56K
Schafer Douglas M. JR
EVP and CIO · 2026-09-02
Option exercise
$520K
Comly Barbara J.
EVP, GC & Corporate Secretary · 2026-09-02
Option exercise
$533K
About Miami International Holdings, Inc.
Miami International Holdings, Inc. (MIAX) is a financial services corporation that operates diverse marketplaces through its various subsidiaries, facilitating trading across options, futures, and cash equities. Its extensive options suite encompasses MIAX Options, MIAX Pearl, MIAX Emerald, and MIAX Sapphire. For U.S. equities, it provides MIAX Pearl Equities. The company's offerings extend to U.S. futures and their…
Financial - Capital Markets
Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works