FIX Lite (Flite)

A sleeker order-entry option.

Overview

FIX Lite (Flite) is a modification of the standard FIX protocol used today by a majority of U.S. firms in the securities industry. Flite provides the same superior speed as OUCH while also offering preferred FIX functionality.

NASDAQ supports the FIX protocol version 4.2, 4.1 and 4.0.

Customers can use Flite to trade:

Features

Flite supports the following functionality:

  • Attributable Orders
  • Non-attributable Orders
  • Non-display Orders
  • Post-Only
  • Cancel/Replace
  • Order Modify
  • Crossing Networks

    Connectivity

    Connectivity Options

    How to Subscribe

    Market participants can subscribe for new connectivity or update an existing service by completing a port request form and faxing it to NASDAQ Subscriber Services at +1 212 231 5426.

  • Testing

    Firms must be certified before they can send Flite messages to NASDAQ.

    • Certification testing is performed through our NASDAQ Test Facility (NTF).
    • Please call our Technical Support group at +1 212 231 5100 for complete details.

    Technical Support

    Contact Information