Release Notes

Dear Cboe Europe Equities Participants

Following the ESMA publication of the results from the annual transparency calculations for equity and equity-like instruments, please be advised that all relevant changes will be applied to Cboe Europe Equities (Cboe) instruments with effect on Wednesday 1st April 2020.

The Production symbol files will be available from 10:00pm UK time on Tuesday 31st March, 2020. Participants are strongly advised to download the most up to date data from 07:00am UK time on Wednesday 1st April, 2020 in order to ensure that any late updates are not missed.

File access between 10pm and 12 midnight

Access to the Production symbol files for accessing tomorrows data between the hours of 10:00pm and 12:00 midnight UK time this evening will only be available using the dated links e.g. the CXE file will be available at the following URL: Please replace CXE with the environment file you require. After midnight the usual production symbol reference file links can be used.

Certification (UAT) Testing:
These updates have been made available in the certification symbol reference files for the UAT environments effective Friday 27th March, 2020.

All current and historical Cboe Europe Equities notices, including symbol universe updates, are available online at

Please contact the Trade Desk or your Account Manager if you have any questions.

Trade Desk
Cboe Europe Equities
T. +44 20 7012 8901 (UK); +31 20 299 6801 (NL)
E. [email protected] | >
* Cboe Europe Limited is a Recognised Investment Exchange regulated by the Financial Conduct Authority.
* Cboe Europe BV is licensed to operate a Regulated Market, Multilateral Trading Facility and Approved Publication Arrangement by the Dutch Authority for the Financial Markets.