Trading and Support Hours


 

Support

Operations Desk
Monday 06:45 AM CT – Friday 04:30 PM CT
 
Compliance Hotline
Monday 08:00 AM CT – Friday 05:00 PM CT
 
 

Trading Hours

Outright SSF Markets
Monday 08:30 AM CT – Friday 03:00 PM CT
 
Outright SSF Spread Markets
Monday 08:30 AM CT – Friday 04:00 PM CT
 
Bilateral Block and EFP Reporting
Monday 07:00 AM CT – Friday 04:00 PM CT

 
 

Half-day Trading Hours

Markets close early on the following days: Nov 25 2016, Jul 03 2017, Nov 24 2017, Jul 03 2018, Nov 23 2018
 
Outright SSF Markets
Monday 08:30 AM CT – Friday 12:00 PM CT
 
Outright SSF Spread Markets
Monday 08:30 AM CT – Friday 01:00 PM CT
 
Bilateral Block and EFP Reporting
Monday 07:00 AM CT – Friday 01:00 PM CT

 
 

User Acceptance Testing

Please contact the Operations Desk for scheduled testing requests.
 
Connectivity Hours
Monday 03:00 AM CT – Friday 09:00 PM CT (excluding scheduled maintenance windows and exchange holidays)

 
 

Exchange Holidays

All OneChicago markets are closed on the U.S. holidays as listed below:

2016 2017 2018
New Year’s Day Friday Jan 01 (OBS) Monday Jan 02 Monday Jan 01
Martin Luther King,
Jr Day
Monday Jan 18 Monday Jan 16 Monday Jan 15
President’s Day Monday Feb 15 Monday Feb 20 Monday Feb 19
Good Friday Friday Mar 25 Friday Apr 14 Friday Mar 30
Memorial Day Monday May 30 Monday May 29 Monday May 28
Independence Day Monday Jul 04 Tuesday Jul 04 Wednesday Jul 04
Labor Day Monday Sep 05 Monday Sep 04 Monday Sep 03
Thanksgiving Day Thursday Nov 24 Thursday Nov 23 Thursday Nov 22
Christmas (OBS) Monday Dec.26 Monday Dec 25 Tuesday Dec 25