BBO feed is a real-time data feed that provides Quotes (best bid/ask quotations) for all traded securities.This is a top of book feed that publishes updates for every event in real time.

The BBO Feed is available for:

  • NYSE
  • NYSE American
  • NYSE Arca
  • NYSE National
  • NYSE Chicago


Current Production

XDP BBO Client Spec v2.5

XDP Common Client Spec v2.2c

Pillar NYSE National - Pillar Publishers/Request Server
(Legacy XDP shutdown December 13, 2019) 

XDP Common Client Spec v2.3c

New National BBO IP addresses

Pillar NYSE Chicago

XDP BBO Client Spec v2.5a

XDP Common Client Spec v2.3c

Sample Data