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Nasdaq PSX

Features and Functionality

PSX features a price/time priority model with a Qualified Market Maker Program to reward market makers who actively quote at the National Best Bid or Offer (NBBO) in a broad set of securities.

Nasdaq Order Type Guide

Nasdaq PSX accepts a variety of equity order types that are designed to help execute a range of trading strategies. To better understand the available order types, view our Order Type Guide.

Connectivity

The following protocols are available for accessing PSX:

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

Market Data

PSX offers a variety of Market Data options:

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.

Please note: Although PSX plans to set all symbols to Price Setter Pro Rata on August 1, 2014, the proposed rule allows PSX to configure symbols as pro rata without the price setter incentive or as price/time. If PSX chooses to change the configuration of a symbol, ample notice will be given to members. The symbol execution algorithm settings can be found here.

To subscribe to any of our market data products, please contact your Nasdaq 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.

 

 

Please note: Although PSX plans to set all symbols to Price Setter Pro Rata on August 1, 2014, the proposed rule allows PSX to configure symbols as pro rata without the price setter incentive or as price/time. If PSX chooses to change the configuration of a symbol, ample notice will be given to members. The symbol execution algorithm settings can be found here.