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arXiv · 2510.17221

Design and valuation of multi-region CoCoCat bonds

Jacek Wszoła·Krzysztof Burnecki·Marek Teuerle·Martyna Zdeb
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Abstract

This paper introduces a novel multidimensional insurance-linked instrument: a contingent convertible bond (CoCoCat bond) whose conversion trigger is activated by predefined natural catastrophes across multiple geographical regions. We develop such a model explicitly accounting for the complex dependencies between regional catastrophe losses. Specifically, we explore scenarios ranging from complete independence to proportional loss dependencies, both with fixed and random loss amounts. Utilizing change-of-measure techniques, we derive risk-neutral pricing formulas tailored to these diverse dependence structures. By fitting our model to real-world natural catastrophe data from Property Claim Services, we demonstrate the significant impact of inter-regional dependencies on the CoCoCat bond's pricing, highlighting the importance of multidimensional risk assessment for this innovative financial instrument.

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Jacek Wszoła, Krzysztof Burnecki, Marek Teuerle, Martyna Zdeb. 2025-10-20. Design and valuation of multi-region CoCoCat bonds. https://arxiv.org/abs/2510.17221

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