Study on Diversification in Internal Models (Second Edition)

Objectives:

The Study on Diversification in Internal Models (DivIM) aims to:

• gain an overview of current market approaches and, on best effort basis, analyse and compare the levels of diversification,
• facilitate a better understanding of modelling dependencies, aggregation and resulting diversification benefits,
• enhance the quality and convergence of the supervision of diversification in IM.

Required participants:

Participants are all individual and group insurance and reinsurance undertakings of the EEA using an approved internal model.

Undertakings are not expected to fill in the Excel template if the aggregation between all the risks and sub-risks mentioned in the template follows the modular Standard Formula approach including its exact correlation settings.

Timeline:

• 30 September 2025:  Deadline for undertakings to submit data to EIOPA via their respective group supervisory authorities

Related resources