U.S. Options

Interface Specifications

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MIAX Options® Interface Specification

The MIAX Options trading platform is built to meet the high-performance quoting demands unique to the U.S. options trading industry. In addition to providing exceptional throughput, low latency access and wire-order determinism, our interface solutions facilitate well-defined and easy-to-implement industry-accepted approaches to integration with the trading platform. Support is provided by a knowledgeable staff to assist firms with the onboarding process, certification or recertification in the firm test bed environment or to answer questions in the production environment.

FIX ORDER INTERFACE (FOI) GATEWAY

The MIAX high-speed FIX Order Interface gateway conveniently routes orders to our trading engines through a common entry point to our trading platform.

FIX Order Interface v2.6c - Current Production

MIAX FIX DROP (FXD)

The MIAX FIX Drop is a messaging interface that provides real-time trade information corresponding to a firm’s orders.

FIX Drop Copy (FXD) v2.6b - Current Production

MIAX EXPRESS INTERFACE (MEI)

Make markets with our feature-rich interface that provides exceptional throughput and ultra-low latency to our execution engines.

MIAX Express Interface v2.10a - Current Production

CLEARING TRADE DROP (CTD)

The MIAX Clearing Trade Drop provides real-time clearing trade content to firms with the same ultra-low latency technology provided throughout our trading platform.

Clearing Trade Drop (CTD) v2.6c - Current Production

TOP OF MARKET (TOM) FEED

Get the MIAX BBO and Trade Report market data via our hyper fast Top of Market feed.

Top of Market (ToM) v2.5 - Current Production

ADMINISTRATIVE INFORMATION SUBSCRIBER (AIS) FEED

The AIS Feed provides timely delivery of important notification messages such as Series Update, System State and Liquidity Seeking Events.

Administrative Information Subscriber Feed v2.5 - Current Production

MIAX ORDER (MOR) FEED

MOR is a high-speed, real-time feed that publishes all actionable orders in addition to Series Update, System State and Underlying Trading Status messages.

MIAX Order Feed v2.5b - Current Production

MIAX PRODUCT FEED (MPF)

MPF is a data feed that provides subscribers with Underlying values and Settlement values for MIAX proprietary products.

MIAX Product Feed (MPF) v1.1

COMPLEX TOP OF MARKET (CTOM) FEED

The Complex Top of Market (cToM) provides subscribers with the current Complex MBBO (cMBBO) and Strategy Last Sale prices for all active Strategies using MIAX’s high-speed technology platform.

MIAX Complex Top of Market (cToM) v1.3a

TCP SESSION MANAGEMENT AND TRANSMISSION CHARACTERISTICS

The SesM – TCP specification defines the session management for TCP connections to our market.

SesM - TCP v1.1e

MULTICAST TRANSMISSION CHARACTERISTICS

The MIAX MACH protocol defines the handling of multicast transmissions from our market.

MACH v1.2d

Exchange Codes 
OPRA Participant IDM
OCC SOSA CodeM
OPRA Participant ID AbbreviationMIAX
Market Identifier Code (MIC)XMIO
Bloomberg CodeUM

 

Interface Specifications Legal Disclaimer

These specifications are being provided to you strictly for informational purposes solely for the purpose of developing or operating systems for your use that interact with systems of MIAX Options®, MIAX Pearl®, MIAX Emerald® and MIAX Sapphire® (individually and together, "MIAX" or the "MIAX Exchange"). These specifications are proprietary to MIAX and constitute the intellectual property of MIAX. All title and intellectual property rights in and to the specifications is owned exclusively by MIAX and its parent and affiliates; other than as expressly set forth herein, no license or other rights in or to the specifications and intellectual property rights related thereto are granted to you. MIAX reserves the right to withdraw, modify, or replace the specifications at any time, without notice. No agreement is provided by MIAX regarding the level, scope, or timing of MIAX's implementation of the functions or features discussed in these specifications. THESE SPECIFICATIONS ARE PROVIDED TO YOU "AS IS", "WITH ALL FAULTS" AND MIAX DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS, IMPLIED, STATUTORY OR OTHERWISE TO THE SPECIFICATIONS. MIAX WILL NOT BE LIABLE FOR ANY INCOMPLETENESS OR INACCURACIES. MIAX WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES HOWEVER CAUSED, WHETHER IN CONTRACT, TORT OR UNDER ANY OTHER THEORY OF LIABILITY, RELATING TO THE SPECIFICATIONS OR THEIR USE, EVEN IF IT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. It is further agreed by you that, by using these specifications, you agree not to copy, reproduce, or permit access to the information contained in the specifications except to those with a need-to-know for the purposes stated above.

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If you are a new subscriber please notify MIAX Trading Operations by sending the following information in an email to TradingOperations@miaxglobal.com:

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