The MIAX Emerald Options Exchange is a fully automated U.S. options trading venue operated by Miami International Holdings, Inc. (MIAX), headquartered in Princeton, New Jersey. It was launched in March 2019 as the third options market in the MIAX family, built to provide a pro‑rata allocation model that rewards continuous two‑sided quoting and supports diverse execution strategies. MIAX Emerald is regulated by the U.S. Securities and Exchange Commission and participates in U.S. consolidated market infrastructure plans.
In early 2026, MIAX Exchange Group reported continued growth across its multi‑listed options platforms, collectively capturing 17.6 percent of U.S. options market share as of January, reflecting depth and increasing participation across MIAX Emerald and its sister exchanges.
MIAX Emerald Options Exchange at a Glance
| Attribute | Detail |
| Exchange Name | MIAX Emerald Options Exchange |
| Key 2026 Initiative | Expanded data products and fee innovations |
| Trading Model | Fully electronic U.S. options marketplace |
| Founded | 2019 |
| Owner | Miami International Holdings, Inc. |
| Exchange Type | National Market System options exchange |
| Primary Focus | Equity and index options trading |
| Regulatory Oversight | U.S. Securities and Exchange Commission |
| Matching Model | Pro‑rata allocation rewarding continuous quoting |
Why MIAX Emerald Options Matters in 2026
MIAX Emerald offers a distinct execution venue within the U.S. options ecosystem with characteristics that support liquidity, transparent pricing, and data innovation:
| Feature | Market Segment | 2026 Strategic Advantage |
| Pro‑Rata Allocation | Liquidity providers | Rewards continuous two‑sided quotes, encouraging deeper displayed liquidity relative to strict price‑time systems. |
| Part of MIAX Multi‑List Network | Multi‑listed U.S. options | Contributes to MIAX Exchange Group’s expanding share of U.S. options trading volume. |
| New Data Offerings | Data users and researchers | Fee filings propose new granular open‑close report products such as 1‑Minute Reports, providing enhanced analytical insight. |
| Flexible Execution Choice | Brokers and traders | Provides an alternative execution path for orders alongside other MIAX options venues. |
These features help MIAX Emerald serve institutional and complex strategy traders while supporting broader participation by retail and algorithmic investors.
What Is Actually New in 2026?
MIAX Emerald introduced key updates in 2026 focused on data products and fee structure refinements that support transparency and analytical usage:
Key Developments to Know
| Feature | 2026 Update | Technical Detail |
| 1‑Minute Report Data Product | New fee schedule filed to establish pricing for a high‑resolution open‑close report | MIAX Emerald proposed fees for subscription and historical access to the 1‑Minute Report, which captures trading activity on a per‑minute basis for all exchange‑listed securities. |
| Academic Discount for Data | Proposed academic pricing for historical data purchases | The fee filing also includes new academic‑discount terms for qualifying research institutions. |
| Options Regulatory Fee (ORF) | Proposed ORF methodology change may limit fee to trades executed on the exchange | The ORF proposal may take effect mid‑2026 pending industry‑wide adoption. |
These changes reflect MIAX Emerald’s effort to align with industry trends on data access, fee transparency, and regulatory cost balancing.
Market Focus and Product Mix on MIAX Emerald Options
MIAX Emerald supports a wide range of tradable U.S. listed options and attracts varied execution interests:
| Sector or Product Type | Role on MIAX Emerald Options |
| Equity Options | Standard options on U.S. listed stocks |
| Index Options | Options on broad and sector market indexes |
| Multi‑Leg Strategy Orders | Support for complex strategies |
| Algorithmic Market Flow | Venue for automated quoting and trading strategies |
This diversified product mix supports both pricing improvement and directional options strategies among professional and institutional traders.
Who Trades on MIAX Emerald Options?
| Role | Description |
| Institutional Traders | Execute hedging and portfolio strategies with depth and execution choice |
| Retail Brokers | Route orders through MIAX venues based on best execution considerations |
| Algorithmic Traders | Use pro‑rata quoting incentives and automated tools to seek execution quality |
| Market Makers | Provide continuous liquidity benefiting from priority allocation models |
This broad participation aids in creating a competitive trading environment within the exchange.
MIAX Emerald Options vs Other U.S. Options Venues
| Feature | MIAX Emerald Options | Other U.S. Options Exchanges |
| Trading Model | Fully electronic | Fully electronic |
| Allocation Model | Pro‑rata rewarding continuous quoting | Varies by exchange |
| Fee Innovation | New data product fees and academic discounts | Traditional fee models |
| Execution Strategy | Liquidity incentivized via pro‑rata model | Multiple allocation systems |
| Market Identity | Competitive alternative within MIAX network | Established aggregated liquidity venues |
MIAX Emerald offers a distinctive execution philosophy that complements other U.S. options markets by emphasizing liquidity provision and analytical data access.
Practical Tips for Beginners
| Topic | Key 2026 Takeaway |
| Trading Sessions | Standard U.S. options market trading hours apply for MIAX Emerald orders |
| Order Strategy | Understand the pro‑rata allocation and how it rewards continuous two‑sided quoting |
| Product Focus | Trade larger, more liquid series to minimize bid‑ask spreads and slippage |
| Data Access | New data products such as the 1‑Minute Report can support analysis but may have separate fees |
| Fee Awareness | Review updated fee schedule for port and data charges |
| Risk Management | Monitor expiration and assignment risk when managing options positions |
Final Thoughts
In 2026, MIAX Emerald Options Exchange remains an important part of the U.S. options market ecosystem, offering pro‑rata allocation, competitive pricing, and new data product innovations. Its developments reflect broader trends toward enhanced data access, fee refinement, and liquidity incentives that support sophisticated trading strategies.
Readers looking for the complete U.S. stock exchanges list can explore our detailed guide.
Frequently Asked Questions
What is MIAX Emerald Options Exchange?
It is a fully electronic U.S. options exchange operated by MIAX that uses a pro-rata allocation model to reward continuous two-sided quoting from liquidity providers.
What new data products are proposed for MIAX Emerald in 2026?
MIAX Emerald has filed to establish fees for a 1-Minute Interval Intra-Day Open-Close Report and to introduce academic discounts for access to certain historical market data products.
What is the Options Regulatory Fee (ORF) proposal about?
The exchange proposed a methodology change to assess ORF only on trades executed directly on MIAX Emerald, subject to broader industry adoption and regulatory approval.
Who trades on MIAX Emerald Options?
Participants include institutional traders, retail order flow routed by brokers, algorithmic traders, and registered market makers.
How does MIAX Emerald differ from other options venues?
MIAX Emerald stands out through its pro-rata allocation philosophy and ongoing innovation in market data products, offering an alternative to price-time priority models used elsewhere.
What should beginners know about trading on MIAX Emerald?
Beginners should understand how pro-rata allocation works, review fee schedules including new data fees, and focus on liquid option products to manage trading costs and risk.
Disclaimer: Investing involves risk. This content is for educational purposes only and does not constitute financial advice.



