MIAX Unveils Impressive September Trading Performance

Miami International Holdings September 2025 Trading Report

Miami International Holdings, Inc. (NYSE: MIAX), a pioneer in regulated financial markets, has recently unveiled its trading results for the month of September 2025. This report focuses on the significant milestones achieved by its exchange subsidiaries, which include MIAX, MIAX Pearl, MIAX Emerald, and MIAX Sapphire, along with MIAX Futures.

Highlights from September 2025

The month was characterized by a remarkable launch and record-breaking trading volumes. MIAX opened its latest options trading floor, MIAX Sapphire, on September 12, 2025. This development allows market participants to engage with 100% of the multi-listed U.S. options market available through the MIAX Exchange Group.

Record Volume and Market Share

In September 2025, the MIAX Exchange Group achieved several noteworthy trading metrics:

• Set a daily market share record of 20.0% on September 23, 2025.
• Reached an impressive monthly market share record of 17.6% for the month.
• Attained a year-to-date (YTD) market share record of 16.7%.
• Average daily volume (ADV) soared to 10.8 million contracts, marking a substantial 73.1% increase compared to September 2024.
• YTD ADV hit a record of 9.0 million contracts, a 40.4% rise from the previous year.

Additionally, MIAX Futures reported a year-to-date ADV of 14,633 contracts, which reflects a 14.1% increase from 2024.

Comprehensive Market Share Insights

The trading insights underscore MIAX's significant presence in the options and futures markets, showcasing its growing influence and trading volume. Here's a snapshot of the key statistics for September:

Options Performance

The ongoing expansion and efficiency of MIAX Exchange Group have propelled it to new heights in the U.S. multi-list options market. This is highlighted by the following:

• U.S. Multi-list Options ADV reached an impressive 10,787 contracts.
• MIAX Pearl options traded robustly, showcasing a sustained average daily volume.

Equities Advanced Trading

In the equities arena, MIAX's focus on innovation and technology has paid off, leading to a strong performance in trading volumes:

• Average daily trading for U.S. Equities surged to 18,309 million contracts, marking a significant milestone.
• Advancements through MIAX Pearl and MIAX Futures bolstered overall trading metrics.

About Miami International Holdings

Miami International Holdings, Inc. (NYSE: MIAX) leads in establishing regulated financial markets across various asset classes and regions. The company operates multiple exchanges, including MIAX Options, MIAX Pearl, MIAX Emerald, MIAX Sapphire, MIAXdx, The Bermuda Stock Exchange (BSX), and The International Stock Exchange (TISE). It also owns Dorman Trading, a full-service Futures Commission Merchant.

Media Inquiries

For media inquiries, please contact Andy Nybo, Senior Vice President and Chief Communications Officer, at the company's official communication channels.

Frequently Asked Questions

What are the key achievements of Miami International Holdings in September 2025?

MIAX launched the MIAX Sapphire options trading floor and reached multiple trading records, including the daily market share of 20%.

How does MIAX contribute to the options trading market?

MIAX provides a platform for trading across multiple asset classes, facilitating access to a variety of U.S. options markets.

What records did MIAX set in September 2025?

MIAX achieved a monthly market share record of 17.6% and an ADV record of 10.8 million contracts, showing significant growth over prior years.

How has MIAX Futures performed recently?

MIAX Futures reached a record YTD ADV of 14,633 contracts, showcasing a 14.1% increase from the previous period.

Where can I find more information about MIAX?

More information about Miami International Holdings can be found on their official website, where they provide details on their exchanges and trading services.

About The Author

Olivia Taylor here, a 26-year-old writer and financial advisor. After earning a degree in finance, I worked in the sector for years. I've always loved numbers and had a talent for simplifying difficult financial ideas so that anyone could understand. I wrote my first book because of this passion; it helps readers take charge of their financial futures by fusing real-life stories with useful financial advice.

Whether they are just beginning their careers, preparing for significant life events, or seeking to invest wisely, my goal with my writing is to enable people to make educated financial decisions. The foundation of my work is the conviction that security and freedom of the individual are largely determined by financial literacy. To further financial education, I run workshops and frequently write for financial blogs in addition to my books.

I like to travel, experience other cultures, and find inspiration in daily life when I'm not writing or examining market trends. My passion is utilizing sound financial practices to help people reach their financial objectives and lead the best lives possible.

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