General Information and Documents

Hours of Operation

7:00AM - 8:00AM
Test Session
8:00AM - 6:00PM
System Access
8:00AM - 5:00PM
Order Entry
9:00AM - 5:00PM
Order Matching

OpenBondX follows the SIFMA US Holiday recommendations and not be open for business on the following holidays. For more information, visit the SIFMA Holiday Schedule

  • New Year's Day
  • Dr. Martin Luther King Jr. Day
  • Presidents Day
  • Good Friday
  • Memorial Day
  • Independence Day
  • Labor Day
  • Columbus Day
  • Veterans' Day
  • Thanksgiving
  • Christmas

Near-Miss Thresholds

As described in our Matching Logic , the following thresholds are the used to determine if a near-miss occurred. The threshold is displayed the distance from the midpoint between the Initiator and best Responder.

Price Type Threshold
Percentage of Par %
Spread bps


Document Description
Excel Integration Integration with the OpenBondX platform through Microsoft Excel
Desktop Notifications Receive notifications for all requests and near misses directly on your desktop

Technical Documents

To report any errors with these documents or request assistance, contact technical support at

Document Description
FIX Specification Specifics of order management through a FIX 4.4 connection with OpenBondX
FIX XML FIX specification in XML format (compatible with QuickFIX implementations)
Activity Reports The structure and format of various activity reports OpenBondX makes available for download
User Manual An in-depth description of policies, requirements, and operating procedures

Other Documents

Document Description
Disclosures Privacy policy, business continuity plan, and other disclosures
Fee Schedule Effective February 1, 2016