top of page

COSSIOM* (Market Data Information Systems and Services Committee for Market Operators) is a French non-profit market data user group association which monitors technological and administrative changes in market data information and provision. The activity is focused on the provision of financial information and related services used in the Front Office.


COSSIOM is a user group that welcomes members from all kinds of financial institutions. This includes individuals from banks and insurance companies in addition to portfolio managers, stock exchange members, etc.

*COmité chargé des Services et Systèmes d'Informations destinés aux Opérateurs de Marchés

press to zoom
Business Team
Business Team

A cohesive team

press to zoom
COSSIOM Annual Party Event
COSSIOM Annual Party Event

More than 500 participants from the Market Data industry were at our annual party at the prestigious “Salons France Amériques” in 2015!

press to zoom

press to zoom
Latest news:
COSSIOM / European IPUG Market Data Conference  Paris 
November 18th 2022

Venue: Banque de France
31 Rue Croix des Petits Champs - 75001 Paris

Register by sending an e-mail to:
COSSIOM Annual Party Charity Event
June 2023
Venue: tbd

Financial News


Build & share your knowledge

COSSIOM monthly meetings:

Click below for the latest topics discussed in the debrief from our last meeting:

Referential Data Workgroup:

COSSIOM is pleased to announce the creation of a new workgroup. To find out more, click below:

COSSIOM monthly meeting: November 17th 2022


The meeting report will be published shortly after the meeting and available on the private pages.

Sponsors are expected for our COSSIOM Annual Party Charity Event in June 2023!
bottom of page