Customer support
Trading hours
Sunday 6:00 p.m. - Friday 4:15 p.m. ET
This excludes end-of-day processing hours (Monday – Thursday, 5:00 p.m. - 6:00 p.m.) and holiday hours.
Address
Copher Exh, Inc.
Corporate Headquarters.
11 bis rue Scribe
F-75009 Paris