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Buy MIAX
Miami International Holdings Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be negative at -63.97. In total, the insiders bought 1.81M and sold 484.98K MIAX shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.
Insider Power
|
-63.97 |
| ● Buy | 1.81M shares |
| ● Sell | 484.98K shares |
|
79% Buy Activity
Negligible or No Correlation
|
|
No Significant SignalsNo statistically significant buy or sell signals detected in recent insider data. |
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
Jul 13, 2026 Sell |
Gallagher Thomas P. Chairman & CEO |
70 000 Value: $2.98M |
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|
Jul 13, 2026 Buy |
Gallagher Thomas P. Chairman & CEO |
70 000 Value: $840.0K |
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|
Jul 13, 2026 Buy |
Comly Barbara J. EVP, GC & Corporate Secretary |
28 000 Value: $336.0K |
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|
Jul 13, 2026 Sell |
Comly Barbara J. EVP, GC & Corporate Secretary |
28 000 Value: $1.18M |
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|
Jul 13, 2026 Buy |
Comly Barbara J. EVP, GC & Corporate Secretary |
28 000 Value: $336.0K |
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|
Jul 08, 2026 Sell |
Brown David A Director |
171 Value: $7K |
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|
Jul 07, 2026 Buy |
Gallagher Thomas P. Chairman & CEO |
28 228 Value: $338.7K |
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|
Jul 07, 2026 Sell |
Gallagher Thomas P. Chairman & CEO |
28 228 Value: $1.19M |
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|
Jul 07, 2026 Buy |
Gallagher Thomas P. Chairman & CEO |
28 228 Value: $338.7K |
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|
Jul 06, 2026 Buy |
Brown Shelly EVP, Chief Strategy Officer |
16 000 Value: $192.0K |
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|
Jul 06, 2026 Sell |
Brown Shelly EVP, Chief Strategy Officer |
16 000 Value: $674.1K |
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Jul 06, 2026 Buy |
Brown Shelly EVP, Chief Strategy Officer |
16 000 Value: $192.0K |
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|
Jul 06, 2026 Buy |
Deitzel Edward EVP, Cro, Cco Miax Exchanges |
7 333 Value: $88.0K |
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Jul 06, 2026 Buy |
Deitzel Edward EVP, Cro, Cco Miax Exchanges |
3 667 Value: $44.0K |
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Jul 06, 2026 Sell |
Deitzel Edward EVP, Cro, Cco Miax Exchanges |
11 000 Value: $462.4K |
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Jul 06, 2026 Buy |
Deitzel Edward EVP, Cro, Cco Miax Exchanges |
7 333 Value: $88.0K |
||
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Jul 06, 2026 Buy |
Deitzel Edward EVP, Cro, Cco Miax Exchanges |
3 667 Value: $44.0K |
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|
Jul 06, 2026 Buy |
Jayabalan Harish EVP, Ciso And Cro |
16 667 Value: $200.0K |
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Jul 06, 2026 Buy |
Jayabalan Harish EVP, Ciso And Cro |
2 499 Value: $30.0K |
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Jul 06, 2026 Sell |
Jayabalan Harish EVP, Ciso And Cro |
20 000 Value: $842.4K |
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Jul 06, 2026 Buy |
Jayabalan Harish EVP, Ciso And Cro |
834 Value: $10.0K |
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Jul 06, 2026 Buy |
Jayabalan Harish EVP, Ciso And Cro |
16 667 Value: $200.0K |
||
|
Jul 06, 2026 Buy |
Jayabalan Harish EVP, Ciso And Cro |
2 499 Value: $30.0K |
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|
Jul 06, 2026 Buy |
Gallagher Thomas P. Chairman & CEO |
41 772 Value: $501.3K |
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|
Jul 06, 2026 Sell |
Gallagher Thomas P. Chairman & CEO |
41 772 Value: $1.76M |
About Insider Power
Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.
It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.
While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.
* October 6th, 2025 - Tested on 5562 stocks
