Stocks · Financials · Security Brokers, Dealers & Flotation Companies

MIAMI INTERNATIONAL HOLDINGS, INC.

MIAX Clue Score64
United States CIK 0001438472
30.71
+0.03%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
30.71 on 9 Oct 2026
57 44 30 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $43.11 14 Oct 2025 $43.56 15 Oct 2025 $43.33 16 Oct 2025 $42.26 17 Oct 2025 $41.93 20 Oct 2025 $43.05 21 Oct 2025 $41.47 22 Oct 2025 $41.77 23 Oct 2025 $42.50 24 Oct 2025 $43.21 27 Oct 2025 $44.27 28 Oct 2025 $43.16 29 Oct 2025 $43.15 30 Oct 2025 $43.73 31 Oct 2025 $43.70 3 Nov 2025 $45.54 4 Nov 2025 $44.33 5 Nov 2025 $45.83 6 Nov 2025 $47.02 7 Nov 2025 $48.70 10 Nov 2025 $48.94 11 Nov 2025 $49.48 12 Nov 2025 $50.96 13 Nov 2025 $48.63 14 Nov 2025 $48.53 17 Nov 2025 $46.81 18 Nov 2025 $46.70 19 Nov 2025 $44.36 20 Nov 2025 $42.55 21 Nov 2025 $44.08 24 Nov 2025 $44.73 25 Nov 2025 $44.07 26 Nov 2025 $45.86 28 Nov 2025 $45.61 1 Dec 2025 $44.50 2 Dec 2025 $45.39 3 Dec 2025 $44.73 4 Dec 2025 $45.46 5 Dec 2025 $44.06 8 Dec 2025 $45.56 9 Dec 2025 $45.80 10 Dec 2025 $42.62 11 Dec 2025 $41.78 12 Dec 2025 $42.68 15 Dec 2025 $42.58 16 Dec 2025 $43.36 17 Dec 2025 $43.79 18 Dec 2025 $44.25 19 Dec 2025 $44.62 22 Dec 2025 $47.26 23 Dec 2025 $47.39 24 Dec 2025 $47.21 26 Dec 2025 $46.67 29 Dec 2025 $46.13 30 Dec 2025 $45.68 31 Dec 2025 $44.38 2 Jan 2026 $43.65 5 Jan 2026 $46.26 6 Jan 2026 $44.24 7 Jan 2026 $42.41 8 Jan 2026 $42.76 9 Jan 2026 $42.33 12 Jan 2026 $42.47 13 Jan 2026 $41.85 14 Jan 2026 $42.76 15 Jan 2026 $42.55 16 Jan 2026 $43.52 20 Jan 2026 $42.88 21 Jan 2026 $43.94 22 Jan 2026 $44.56 23 Jan 2026 $42.44 26 Jan 2026 $43.09 27 Jan 2026 $41.42 28 Jan 2026 $41.23 29 Jan 2026 $41.69 30 Jan 2026 $41.73 2 Feb 2026 $41.78 3 Feb 2026 $41.06 4 Feb 2026 $40.66 5 Feb 2026 $41.75 6 Feb 2026 $42.23 9 Feb 2026 $41.33 10 Feb 2026 $40.65 11 Feb 2026 $41.12 12 Feb 2026 $41.58 13 Feb 2026 $42.14 17 Feb 2026 $40.89 18 Feb 2026 $40.20 19 Feb 2026 $40.64 20 Feb 2026 $40.53 23 Feb 2026 $38.99 24 Feb 2026 $39.56 25 Feb 2026 $40.99 26 Feb 2026 $41.85 27 Feb 2026 $42.60 2 Mar 2026 $42.89 3 Mar 2026 $42.04 4 Mar 2026 $42.82 5 Mar 2026 $42.38 6 Mar 2026 $40.98 9 Mar 2026 $41.19 10 Mar 2026 $40.54 11 Mar 2026 $39.49 12 Mar 2026 $38.09 13 Mar 2026 $38.47 16 Mar 2026 $39.49 17 Mar 2026 $39.82 18 Mar 2026 $39.55 19 Mar 2026 $39.02 20 Mar 2026 $39.10 23 Mar 2026 $39.08 24 Mar 2026 $39.46 25 Mar 2026 $38.51 26 Mar 2026 $38.31 27 Mar 2026 $37.31 30 Mar 2026 $37.50 31 Mar 2026 $38.92 1 Apr 2026 $39.37 2 Apr 2026 $40.17 6 Apr 2026 $41.63 7 Apr 2026 $41.32 8 Apr 2026 $42.22 9 Apr 2026 $41.35 10 Apr 2026 $41.95 13 Apr 2026 $42.89 14 Apr 2026 $42.91 15 Apr 2026 $44.22 16 Apr 2026 $44.85 17 Apr 2026 $45.17 20 Apr 2026 $44.93 21 Apr 2026 $44.18 22 Apr 2026 $45.26 23 Apr 2026 $45.49 24 Apr 2026 $45.87 27 Apr 2026 $46.72 28 Apr 2026 $47.30 29 Apr 2026 $47.64 30 Apr 2026 $46.49 1 May 2026 $47.17 4 May 2026 $47.31 5 May 2026 $47.71 6 May 2026 $47.69 7 May 2026 $49.77 8 May 2026 $51.99 11 May 2026 $52.19 12 May 2026 $52.47 13 May 2026 $55.21 14 May 2026 $56.84 15 May 2026 $56.16 18 May 2026 $54.51 19 May 2026 $53.31 20 May 2026 $51.99 21 May 2026 $51.44 22 May 2026 $51.42 26 May 2026 $49.21 27 May 2026 $50.21 28 May 2026 $47.76 29 May 2026 $47.25 1 Jun 2026 $46.10 2 Jun 2026 $42.51 3 Jun 2026 $40.33 4 Jun 2026 $39.61 5 Jun 2026 $39.21 8 Jun 2026 $38.74 9 Jun 2026 $39.80 10 Jun 2026 $40.79 11 Jun 2026 $41.27 12 Jun 2026 $43.29 15 Jun 2026 $44.11 16 Jun 2026 $40.24 17 Jun 2026 $37.80 18 Jun 2026 $37.65 22 Jun 2026 $36.65 23 Jun 2026 $35.81 24 Jun 2026 $36.49 25 Jun 2026 $36.74 26 Jun 2026 $37.92 29 Jun 2026 $36.83 30 Jun 2026 $37.16 1 Jul 2026 $39.05 2 Jul 2026 $40.84 6 Jul 2026 $41.86 7 Jul 2026 $43.72 8 Jul 2026 $41.86 9 Jul 2026 $42.99 10 Jul 2026 $42.83 13 Jul 2026 $42.31 14 Jul 2026 $41.30 15 Jul 2026 $42.43 16 Jul 2026 $42.89 17 Jul 2026 $42.33 20 Jul 2026 $42.04 21 Jul 2026 $41.93 22 Jul 2026 $41.81 23 Jul 2026 $41.67 24 Jul 2026 $42.78 27 Jul 2026 $43.42 28 Jul 2026 $46.20 29 Jul 2026 $46.40 30 Jul 2026 $46.00 31 Jul 2026 $47.04 3 Aug 2026 $46.83 4 Aug 2026 $45.34 5 Aug 2026 $45.96 6 Aug 2026 $45.46 7 Aug 2026 $44.23 10 Aug 2026 $43.59 11 Aug 2026 $42.32 12 Aug 2026 $43.48 13 Aug 2026 $43.90 14 Aug 2026 $43.52 17 Aug 2026 $42.41 18 Aug 2026 $41.91 19 Aug 2026 $40.60 20 Aug 2026 $41.32 21 Aug 2026 $42.59 24 Aug 2026 $44.03 25 Aug 2026 $44.34 26 Aug 2026 $43.39 27 Aug 2026 $44.05 28 Aug 2026 $43.00 31 Aug 2026 $42.87 1 Sep 2026 $42.11 2 Sep 2026 $40.62 3 Sep 2026 $42.71 4 Sep 2026 $42.39 8 Sep 2026 $43.46 9 Sep 2026 $42.89 10 Sep 2026 $42.54 11 Sep 2026 $41.47 14 Sep 2026 $41.77 15 Sep 2026 $39.51 16 Sep 2026 $38.04 17 Sep 2026 $37.66 18 Sep 2026 $38.79 21 Sep 2026 $37.84 22 Sep 2026 $36.76 23 Sep 2026 $35.89 24 Sep 2026 $35.64 25 Sep 2026 $34.90 28 Sep 2026 $33.91 29 Sep 2026 $33.87 30 Sep 2026 $33.50 1 Oct 2026 $33.75 2 Oct 2026 $33.01 5 Oct 2026 $34.32 6 Oct 2026 $30.79 7 Oct 2026 $30.18 8 Oct 2026 $30.70 9 Oct 2026 $30.71 STAHL MURRAY Director Bought $100.00K 12 Dec 2025 · at $41.00 · 0.1% of stake STAHL MURRAY Director Sold at will $4.95M 2 Mar 2026 · at $40.92 · 2.5% of stake STAHL MURRAY Director Bought $312.34K 4 Mar 2026 · at $43.38 · 0.2% of stake STAHL MURRAY Director Bought $310.18K 5 Mar 2026 · at $43.08 · 0.2% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $1.91M 17 Mar 2026 · at $39.74 · 10.8% of stake Eckert Kurt M. Director Sold on a plan $1.48M 19 Mar 2026 · at $39.00 · 21.0% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $1.02M 23 Mar 2026 · at $39.33 · 8.0% of stake Teekell Judson Gray Director Sold at will $12.00K 25 Mar 2026 · at $40.00 · 0.5% of stake Teekell Judson Gray Director Sold on a plan $108.00K 2 Apr 2026 · at $40.00 · 4.4% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $97.41K 6 Apr 2026 · at $41.33 · 0.7% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $37.80K 7 Apr 2026 · at $42.00 · 0.3% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $200.05K 7 Apr 2026 · at $42.00 · 3.9% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $318.18K 8 Apr 2026 · at $42.02 · 6.1% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $691.54K 8 Apr 2026 · at $42.08 · 4.8% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $1.29M 15 Apr 2026 · at $43.64 · 3.4% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $2.18M 15 Apr 2026 · at $43.68 · 9.3% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $7.55M 15 Apr 2026 · at $43.36 · 9.2% of stake Teekell Judson Gray Director Sold on a plan $141.90K 4 May 2026 · at $47.30 · 5.1% of stake Eckert Kurt M. Director Sold on a plan $266.01K 4 May 2026 · at $47.29 · 3.8% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $520.08K 4 May 2026 · at $47.28 · 8.6% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $756.48K 4 May 2026 · at $47.28 · 4.7% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $1.32M 4 May 2026 · at $47.26 · 3.2% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $2.27M 4 May 2026 · at $47.25 · 10.8% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $2.56M 4 May 2026 · at $47.26 · 3.1% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $755.75K 5 May 2026 · at $47.92 · 0.9% of stake Emmons Lance EVP and CFO Sold on a plan $1.97M 15 May 2026 · at $56.36 · 29.3% of stake Teekell Judson Gray Director Sold on a plan $128.34K 2 Jun 2026 · at $42.78 · 4.1% of stake Eckert Kurt M. Director Sold on a plan $224.49K 2 Jun 2026 · at $42.76 · 3.6% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $463.76K 2 Jun 2026 · at $42.16 · 8.6% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $673.92K 2 Jun 2026 · at $42.12 · 4.7% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $1.20M 2 Jun 2026 · at $42.85 · 3.2% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $2.06M 2 Jun 2026 · at $42.84 · 10.8% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $2.97M 2 Jun 2026 · at $42.36 · 3.9% of stake Jayabalan Harish EVP, CISO and CRO Sold on a plan $409.91K 8 Jun 2026 · at $40.12 · 12.2% of stake Jayabalan Harish EVP, CISO and CRO Sold on a plan $391.71K 9 Jun 2026 · at $40.04 · 11.8% of stake Schwarzkopf Cynthia Director Sold on a plan $813.74K 11 Jun 2026 · at $41.73 · 19.3% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $208.50K 15 Jun 2026 · at $44.23 · 1.5% of stake Teekell Judson Gray Director Sold on a plan $120.00K 2 Jul 2026 · at $40.00 · 3.8% of stake Eckert Kurt M. Director Sold on a plan $206.59K 2 Jul 2026 · at $39.35 · 3.4% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $1.15M 2 Jul 2026 · at $41.22 · 3.1% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $1.98M 2 Jul 2026 · at $41.22 · 11.0% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $462.44K 6 Jul 2026 · at $42.04 · 8.4% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $674.08K 6 Jul 2026 · at $42.13 · 4.3% of stake Jayabalan Harish EVP, CISO and CRO Sold on a plan $842.40K 6 Jul 2026 · at $42.12 · 20.4% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $1.76M 6 Jul 2026 · at $42.09 · 2.4% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $1.19M 7 Jul 2026 · at $42.27 · 1.6% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $1.18M 13 Jul 2026 · at $41.98 · 3.1% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $2.98M 13 Jul 2026 · at $42.52 · 3.9% of stake Schwarzkopf Cynthia Director Sold on a plan $210.00K 15 Jul 2026 · at $42.00 · 5.3% of stake Eckert Kurt M. Director Sold on a plan $48.69K 4 Aug 2026 · at $45.80 · 0.7% of stake Teekell Judson Gray Director Sold on a plan $137.37K 4 Aug 2026 · at $45.79 · 4.0% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $503.58K 4 Aug 2026 · at $45.78 · 8.4% of stake Jayabalan Harish EVP, CISO and CRO Sold on a plan $918.00K 4 Aug 2026 · at $45.90 · 20.4% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $2.03M 4 Aug 2026 · at $45.69 · 4.8% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $2.19M 4 Aug 2026 · at $45.71 · 11.0% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $2.21M 4 Aug 2026 · at $45.69 · 2.7% of stake Schwarzkopf Cynthia Director Sold on a plan $214.25K 17 Aug 2026 · at $42.85 · 5.3% of stake Emmons Lance EVP and CFO Sold on a plan $1.50M 17 Aug 2026 · at $42.83 · 28.8% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $6.16M 19 Aug 2026 · at $41.13 · 9.5% of stake Teekell Judson Gray Director Sold on a plan $122.67K 2 Sep 2026 · at $40.89 · 4.2% of stake Teekell Judson Gray Director Sold on a plan $230.56K 2 Sep 2026 · at $41.58 · 6.4% of stake Comly Barbara J. EVP, GC & Corporate Secretary Sold on a plan $1.80M 2 Sep 2026 · at $40.49 · 5.0% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $1.94M 2 Sep 2026 · at $40.48 · 11.0% of stake Deitzel Edward EVP, CRO, CCO MIAX Exchanges Sold on a plan $464.31K 3 Sep 2026 · at $42.21 · 8.4% of stake Gallagher Thomas P. Chairman & CEO Sold on a plan $1.99M 3 Sep 2026 · at $42.43 · 3.2% of stake Brown Shelly EVP, Chief Strategy Officer Sold on a plan $819.19K 16 Sep 2026 · at $38.61 · 6.3% of stake Schafer Douglas M. JR EVP and CIO Sold on a plan $1.33M 2 Oct 2026 · at $33.34 · 9.4% of stake
3 buys2 sales at will62 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$1.36B
Net income
$70.03M
Free cash flow
$145.04M
Gross margin
31.6%
Operating margin
6.7%
Net margin
-5.1%
Return on equity
-8.0%
Return on capital
8.2%
Debt to equity
0.00
Revenue growth, 1 yr
19.7%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
1B -21M FY23 Fiscal year 2023 Revenue $1.04B Net income $20.89M Margin -2.0% 1.1B 102M FY24 Fiscal year 2024 Revenue $1.14B Net income $102.12M Margin 9.0% · growth +9.5% 1.4B -70M FY25 Fiscal year 2025 Revenue $1.36B Net income $70.03M Margin -5.1% · growth +19.6%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
2 Oct 2026 Schafer Douglas M. JR
EVP and CIO
Sold on a plan $1.33M 9.4%
16 Sep 2026 Brown Shelly
EVP, Chief Strategy Officer
Sold on a plan $819.19K 6.3%
3 Sep 2026 Gallagher Thomas P.
Chairman & CEO
Sold on a plan $1.99M 3.2%
3 Sep 2026 Deitzel Edward
EVP, CRO, CCO MIAX Exchanges
Sold on a plan $464.31K 8.4%
2 Sep 2026 Schafer Douglas M. JR
EVP and CIO
Sold on a plan $1.94M 11.0%
2 Sep 2026 Comly Barbara J.
EVP, GC & Corporate Secretary
Sold on a plan $1.80M 5.0%