MIAX Delivers Impressive Trading Performance in Recent Month

Author: Addison Perry Updated: 10-07-2025 06:54 AM

Miami International Holdings Reports Significant Trading Outcomes

Miami International Holdings, Inc. (MIAX) (NYSE: MIAX), recognized for its innovative approach in managing regulated financial markets, has recently presented its trading results for the month of September 2025. This report covers the activities across its various U.S. exchange subsidiaries, which include MIAX, MIAX Pearl, MIAX Emerald, and MIAX Sapphire, collectively referred to as the MIAX Exchange Group.

Highlights from September 2025

In an exciting month, MIAX introduced the MIAX Sapphire options trading floor, which opened its doors on September 12, enhancing access for market participants to the entire multi-listed U.S. options market provided by the MIAX Exchange Group.

Record-Breaking Trading Achievements

September 2025 was historic for the MIAX Exchange Group, as the company broke several volume and market share records. Some of the stand-out achievements include:

A new daily market share record of 20.0% on September 23.
The highest monthly market share ever recorded at 17.6% for September.
A year-to-date market share record of 16.7%.
An average daily trading volume (ADV) record of 10.8 million contracts, showing a remarkable 73.1% increase from September 2024.
A year-to-date ADV record of 9.0 million contracts, also up 40.4% from the same time last year.

Additionally, MIAX Futures achieved a year-to-date ADV of 14,633 contracts, marking a 14.1% increase compared to its performance in 2024.

Comparative Data of Trading Volume

The quantitative data highlights the impressive growth trajectory MIAX has experienced. The average daily trading volume statistics demonstrate considerable year-over-year increases, with multi-list option activities particularly thriving.

U.S. Multi-list Options and Market Share

In September, MIAX’s exchange group led in U.S. multi-list options trading, showcasing its influence. The total trading days jumped from 20 to 21, accompanying a noteworthy increase in the average daily volumes across the board, reinforcing MIAX's role as a key player in the market.

About MIAX

Miami International Holdings, Inc. (NYSE: MIAX) operates as a leader in establishing and managing regulated financial markets across diverse assets and regions. The company oversees several trading exchanges including MIAX Options, MIAX Pearl, MIAX Emerald, MIAX Sapphire, MIAX Pearl Equities, MIAX Futures, MIAXdx, The Bermuda Stock Exchange, and The International Stock Exchange. Furthermore, MIAX also owns Dorman Trading, a comprehensive Futures Commission Merchant.

Frequently Asked Questions

What does MIAX stand for?

MIAX stands for Miami International Holdings, which encompasses various financial markets and trading venues.

What records did MIAX set in September 2025?

MIAX set multiple records including daily market share, monthly trading volumes, and various year-to-date metrics.

When did MIAX Sapphire open?

MIAX Sapphire options trading floor opened on September 12, 2025.

How did MIAX Futures perform in September 2025?

MIAX Futures reached a record year-to-date average daily volume of 14,633 contracts, marking a 14.1% increase from the previous year.

What is the significance of MIAX's achievements in trading?

These achievements reflect the company's strong market position and adaptive trading strategies, which cater to increasing volume and market participation.

About The Author

Hello, I'm 30-year-old financial writer and expert Addison Perry, and I love to simplify the intricacies of the financial industry. I've committed myself over the years to deciphering the subtleties of investing techniques and economic trends and converting them into doable guidance that anybody can use. My goal with writings and books is to make money interesting and approachable so that readers may take charge of their financial futures.

My enthusiasm to empowerment and education has propelled me through my career in finance. I write because I think that everyone should be able to make educated financial decisions, and I try to provide that. Regardless of experience level with investing, my work is intended to provide insightful analysis and practical advice to enable you to thrive in the always changing financial environment. I appreciate you traveling with me toward success and financial literacy.

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