Miami International Holdings Reports July 2026 Trading Results

MIAX posts record trading volumes and market share, but omits any financial results.

Risk flags

• ●The announcement omits any financial results, such as revenue, net income, or expenses, making it impossible to assess whether operational growth is translating into profitability. This matters because rising trading volumes do not always lead to improved margins or earnings, especially if costs are rising or pricing is under pressure.
• ●MIAX Pearl's sharp decline in both ADV (down 39.0%) and market share (down from 1.1% to 0.7%) signals potential competitive or structural challenges within this subsidiary. Persistent declines in a business line can offset group-level gains or indicate broader market share risks.
• ●The launch of financial futures is disclosed with ADV figures, but without context on revenue contribution, client uptake, or strategic significance. New product launches can entail ramp-up costs and execution risk, and the lack of qualitative or quantitative context leaves the impact unclear.

Bottom line

MIAX's July 2026 update demonstrates strong growth in trading activity and market share across its main exchanges, with record ADV and notable gains in options and agricultural futures. The data is detailed and credible for operational performance, but the absence of any financial results leaves a critical gap for investors seeking to understand profitability or cash flow impact. Declines in MIAX Pearl's metrics highlight that not all business lines are performing equally, and the significance of new financial futures remains undefined. Without revenue or earnings disclosure, the announcement is not actionable for investors focused on financial returns. The most important takeaway is that while MIAX is gaining trading share, the investment case cannot be evaluated until financial results are provided.

Announcement summary

(NYSE: MIAX) Miami International Holdings, Inc. (MIAX) reported July 2026 trading results for its U.S. exchange subsidiaries, including MIAX, MIAX Pearl, MIAX Emerald, MIAX Sapphire, and MIAX Futures. MIAX Exchange Group reached a record year-to-date (YTD) average daily volume (ADV) of 10.9 million contracts through July 2026, representing a 26.3% increase from the same period in 2025. The MIAX Exchange Group set a YTD market share record of 16.9% through July 2026, compared to 16.4% in the prior-year period. MIAX Exchange Group Options ADV was 11,019,000 in July 2026, up 28.0% from July 2025, and its options market share was 17.1% in July 2026, up from 16.7% in July 2025. MIAX Pearl ADV (Millions) was 117 in July 2026, down 39.0% from 191 in July 2025, and MIAX Pearl Market Share was 0.7% in July 2026, down from 1.1% in July 2025. MIAX Futures ADV – Agricultural was 12,123 in July 2026, up 74.3% from 6,954 in July 2025, while MIAX Futures ADV – Financial was 4,194 in July 2026. The company notes that financial futures launched on May 17 (trade date May 18), and ADV is calculated as total contracts for the period divided by total trading days for the period beginning on May 18.

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