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Nasdaq PSX TotalView-ITCH ("PSX TotalView")

ITCH is the revolutionary Nasdaq outbound protocol

Overview

The Nasdaq Group, Inc. launched Nasdaq PSX (PSX) on October 8, 2010, which is the only exchange to offer a price/size priority model for trading U.S. equities.

In conjunction with the new PSX market center, Nasdaq introduced the proprietary data feed, Nasdaq PSX TotalView-ITCH (PSX TotalView), which provides order level data with market participant attribution for the new PSX market center.

Benefits & Features

PSX TotalView shows you every single quote and order at every price level in Nasdaq-, NYSE-, NYSE MKT- and NYSE Arca-listed securities for the new market center. The data feed does the following:

  • Provides full order depth using a series of order messages to track the life of a customer order in PSX
  • Offers trade data for PSX executions that occur within the PSX market
  • Supports administrative messages, such as:
    • Trading Action messages used to inform market participants when a security is halted or released for trading
    • Symbol Directory messages to provide basic security data such as the market tier and Financial Status Indicator

The data available via PSX TotalView allows you to:

  • View all displayed quotes and orders
  • Access total displayed anonymous interest
  • See total size of all displayed quotes and orders

Access Options

At this time, Nasdaq recommends that firms interested in PSX TotalView process the direct data feed. Using this data feed, market participant firms and market data distributors may create real-time display products and automated trading applications. For detailed technical information, please refer to the Market Data technical specifications page on the Nasdaq Trader website.

Pricing

Please refer to the U.S Equities Price List for pricing information.

Agreements & Forms

To initiate this data on a data feed, firms must submit the appropriate documentation and receive prior approval from Nasdaq:

For the complete list of Nasdaq and UTP market data agreements and forms, please refer to the Nasdaq Global Data Products Agreements and Forms page.