Trigger Mechanisms: When Do You Lose Money?
A crucial concept for investors is the Trigger Mechanism. This defines exactly what conditions must be met for the bond to default and pay the sponsor. Understanding the different trigger types is essential, as each mechanism affects risk, payout speed, and basis risk differently.
The trigger determines when investors face a "principal haircut"—the loss of some or all of their invested capital. This capital is then liquidated and transferred to the sponsor to cover claims from the catastrophic event.
Trigger Mechanisms Comparison
| Trigger Type | How it Works | Payout Speed | Investor Risk | Basis Risk |
|---|---|---|---|---|
| Indemnity | Payout based on the sponsor's actual reported losses. If their claims exceed a certain dollar amount, the bond triggers. | Slow Weeks to months |
Lower Most transparent |
None Perfect match |
| Industry Loss | Payout occurs if the total insurance industry loss (reported by a third party like PCS) hits a threshold (e.g., $30B industry-wide loss). | Medium Days to weeks |
Medium Industry-wide focus |
Moderate Sponsor may not be affected |
| Parametric | Payout is based on physical data, such as wind speed, earthquake magnitude, or barometric pressure measured at specific locations. | Fast Hours to days |
Medium Model-dependent |
Higher May not match actual losses |
| Modeled Loss | Payout is determined by running the event's physical data through a third-party catastrophe model (e.g., AIR, RMS) to estimate losses. | Medium Days |
Medium Model accuracy matters |
Moderate Model vs. reality |
Market Share and Trends
As of 2025, Indemnity triggers represent approximately 76% of the market, making them the most common structure. This dominance reflects sponsors' preference for eliminating basis risk—the risk that the trigger event doesn't match their actual losses.
However, Parametric triggers are increasingly popular for government issuers (like Jamaica and Mexico) who need rapid disaster relief funding. The speed of payout can be critical when responding to humanitarian crises.
Key Considerations for Investors
Speed vs. Accuracy Trade-off
Parametric triggers offer the fastest payout (hours to days) but carry higher basis risk. Indemnity triggers provide perfect accuracy but can take weeks or months to settle, as they require actual claims to be reported and verified.
Transparency and Model Risk
Industry Loss and Modeled Loss triggers rely on third-party data and models. While this provides transparency, investors must understand the underlying models and their limitations. Model risk is a key consideration, and climate change is introducing new uncertainties that may affect model accuracy over time.