Digital binary code matrix background

INET Nordic

Protocol Specifications
INET Nordic Trading Platform Contact Us

INET Nordic protocol specifications are necessary for members, brokers and independent software vendor (ISV) trading application integration with the INET Nordic trading platform. The markets available in INET Nordic are Nasdaq Nordic and Baltic, and Spotlight Stock Market.

The protocol specifications below are valid for the INET Nordic Production and Test (NTF) systems.

When available, future protocol specifications are upcoming INET protocols available in INET Test NTF and in INET Production according to time schedules published via IT Notices.

For more information on upcoming enhancements, visit INET Nordic Enhancements and IT Notices.

The INET Nordic Market Model describes the functionalities of trading Equities and related instruments on the Nasdaq Nordic Regulated Markets and First North on Nasdaq Nordic, including Nasdaq Baltic*.

Visit our Nasdaq Nordic Member Rules & Regulations page for more information about current and upcoming INET Nordic Market Models.

*Nasdaq Nordic refers to, either each individually or all together, Nasdaq Copenhagen A/S, Nasdaq Helsinki Ltd, Nasdaq Iceland hf. and Nasdaq Stockholm AB. Nasdaq Nordic may also include Nasdaq Baltic, which respectively refers to Nasdaq Riga, Nasdaq Tallinn and Nasdaq Vilnius.

Nasdaq Nordic Member Rules & Regulations

Member Portal Log in

Resource Center
INET Nordic Protocol Specifications
OUCH Order Entry 5.02.10 (PureStream - effective Aug 31, 2026 / AVD - effective Sept 21, 2026 / Reference Price Indicator - effective Nov 16, 2026) Download OUCH Order Entry 5.02.11 (Sweep strategies - effective Nov 26, 2026) Download FIX Order Entry 2.02.3 (PureStream - effective Aug 31, 2026 / AVD - effective Sept 21, 2026) Download FIX Order Entry 2.02.4 (Sweep strategies - effective Nov 26, 2026) Download FIX DROP 2.02.3 (for FIX & OUCH order messages)(PureStream - effective Aug 31, 2026 / AVD - effective Sept 21, 2026) Download FIX On-Exchange Trade Reporting 2.01.3 Download FIX Off-Exchange (APA) Trade Reporting 1.02.5 Download Pre-Trade Risk Management (PRM) Admin 1.00.1 Download GLIMPSE 3.00.1 Download NLS (Nordic Last Sale) 1.2.11 (AVD - effective Sept 21, 2026) Download SoupBinTCP 3.00.4 Download MoldUDP64 1.00.2 Download FIXT.1.1 Transport Layer 1.00.4 Download TotalView-ITCH 3.04.6 (PureStream - effective Aug 31, 2026 / AVD - effective Sept 21, 2026) Download PureStream Europe Protocol Message Changes 1.00.5 Download Auction Volume Discovery - Member Impact Download Changes to OTC Derivatives Trade Reporting from March 1, 2027 - Member Impact Download
Files and Reports via FTP/SFTP
Member Trade File 2.6 - Valid from September 27, 2025 Download PRM Restricted Symbols File (FTP upload) 2.0 Download
Files and Reports via FDS
EOD File Specifications 1.70.1 Download Reference Data on File 3.0 Download

Related Information

INET Nordic Environments

INET Nordic and Baltic production, testing and conformance information.

Learn More

Contact Us

Exchange Services

Cash equity trade support, technical support for INET, GCF, FDS, Nordic Workstation and auxiliary systems +46 8 405 7700

EMO@nasdaq.com

Member & Account Configuration

Member configurations, including users, ports and the Member Portal

MAC@nasdaq.com

Technical Relations

Market readiness upcoming enhancements, independent software vendors and other third-party technical and sales support per.froling@nasdaq.com +46 8 405 6434

technicalrelations@nasdaq.com