Features and Functionality

PSX operates as a Reg NMS protected quote and runs on proven INET technology. Participants can still utilize popular order types and functionality in this price-time market, such as Mid-Point Peg and Post-Only orders, as well as Order Modify and Self Match Prevention. PSX now offers Routing and Minimum Quantity Orders.

NASDAQ OMX Order Type Guide

NASDAQ's equity order types are designed to help members comply with regulation and execute a range of trading strategies. To better help members understand the available order types, we invite you to view our new Order Type presentation.



The following protocols are available for accessing PSX:

To order ports, please email the completed PSX Port Request Form to Subscriber@nasdaqomx.com. For questions, contact NASDAQ OMX Subscriber Services at +1 212 231 5180.

Market Data

PSX TotalView-ITCH – Provides full order depth and last sale information.

PSX Historical TotalView ITCH – Offers a historical record of the order and trade transaction data from the PSX TotalView-ITCH data feed. Subscribers to this historical product may download daily transaction logs on a T+1 basis from a secured website or FTP server.

PSX Basic - Provides key data elements for all exchange-listed equities traded on the PSX execution system.

To subscribe to any of our market data products, please contact your NASDAQ OMX Global Data Products Account Manager at +1 301 978 5307 or visit the Global Data Products Administration page to complete the appropriate agreements and forms.

Contact Us

Please note: We will never share your contact information with third parties.