ILS transformer

A transformer is the intermediate structure that lets financial capital carry insurance risk, or an insurer carry risk in derivative form. On one side it writes a proper reinsurance contract, which the cedant and its regulator require, and on the other it matches it with a financial instrument investors can hold. The problem it solves is incompatible legal forms: an investment fund cannot be an authorized reinsurer, and an insurer generally cannot book a swap as reinsurance. Without a transformer, each would stay on its own side of the line. The structure was one of the material conditions for institutional capital entering catastrophe reinsurance, alongside the special purpose insurer and collateralized reinsurance. Its point of vigilance is legal basis risk: if the two legs do not trigger on exactly the same terms, the transformer absorbs the difference, and its own capital is by design minuscule.

A pension fund wants 45 million euros of exposure to a European windstorm portfolio in 2026. It cannot write a treaty directly. A Bermudian transformer takes a collateralized reinsurance share of the layer and refinances it through a private note the fund buys. Both legs are drafted on the same occurrence definition and the same 96 hour clause, so that no trigger mismatch remains.

ILS transformer, Transformer de réassurance, Véhicule transformateur, Fronting transformer