Market Data Resources

IEX Market Data is a critical suite of products provided to market participants that allows them to understand the displayed orders placed and trades executed on the IEX Exchange book.

IEX’s proprietary market data feeds are designed to provide transparency and enable a high level of performance without leaking information.

IEX Equities Data Documents

Users must complete, execute, and submit the necessary agreements and forms before accessing DEEP, DEEP + or TOPS. Prospective subscribers must complete, execute, and submit a Data Subscriber Agreement, Exhibit A, and Exhibit B in order to receive a Real-Time IEX Market Data feed directly from IEX or via a third-party market data provider. Please send the completed documentation to marketops@iextrading.com

IEX Data Subscriber Agreement
IEX Market Data Policies
Other Market Data Documents
IEX Non-Display Use Declaration

IEX Controlled Data Recipient Agreement

IEX Third-Party Payment Agreement

IEX Market Data Trial Addendum

IEX Options Data Documents

Users must complete, execute, and submit the necessary agreements and forms before accessing DEEP or TOPS. Prospective subscribers must complete, execute, and submit a Data Subscriber Agreement, Exhibit A, and Exhibit B in order to receive a Real-Time IEX Market Data feed directly from IEX or via a third-party market data provider. Please send the completed documentation to optionsmktops@iextrading.com

IEX Data Subscriber Agreement
IEX Market Data Policies
Other Market Data Documents
IEX Non-Display Use Declaration

IEX Controlled Data Recipient Agreement

IEX Third-Party Payment Agreement

IEX Market Data Trial Addendum

Specifications

Data Feed
Version
Protocol
Sample PCAP
Venue
IEX DEEP+ SNAP
Equities
IEX DEEP SNAP
Equities
IEX TOPS SNAP
Equities

Prior Specification Version

Data Feed
Version
Venue
IEX TOPS
Equities