Work

Systemic risk in markets with multiple central counterparties

Year: 2024

Type: article

Abstract: We provide a framework for modeling risk and quantifying payment shortfalls in cleared markets with multiple central counterparties (CCPs). Building on the stylized fact that clearing membership is shared among CCPs, we develop a modeling framework that captures the interconnectedness of CCPs and clearing members. We illustrate stress transmission mechanisms using simple examples as well as empirical evidence based on calibrated data. Furthermore, we show how stress mitigation tools such as variation margin gains haircutting by one CCP can have spillover effects on other CCPs. The framework can be used to enhance CCP stress‐testing, which currently relies on the “Cover 2” standard requiring CCPs to be able to withstand the default of their two largest clearing members. We show that who these two clearing members are can be significantly affected if one considers higher‐order effects arising from interconnectedness through shared clearing membership. Looking at the full network of CCPs and shared clearing members is, therefore, important from a financial stability perspective.

Source: Mathematical Finance

DOI: 10.1111/mafi.12446

Authors: Luitgard Anna Maria Veraart, Iñaki Aldasoro

Institutions: London School of Economics and Political Science, Bank for International Settlements

Language: English

Topic: Banking stability, regulation, efficiency

Subfield: Finance

Field: Economics, Econometrics and Finance

Domain: Social Sciences

Open Access status: hybrid

Estimated APC paid: $3,660

Funder: Bank for International Settlements