Parametric Reinsurance

✓ Fast, transparent payouts based on objective parametric triggers
✓ Highly customizable portfolio protection tailored to each insurer
✓ Superior P&L protection vs. traditional proportional and non-proportional covers
✓ Recovery at any layer of the reinsurance or retrocession program

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What We Offer At A Glance

30+ Countries

covered for Cyclone, Flood, Earthquake, Wildfire, Severe Convective Storms (SCS)

Up to $140M

of A+ rated capacity per cover

Bespoke Structures

designed by 150+ experts to tailor coverage to cedent’s needs

20+

offices in 10 countries

30+

insurance companies trust us

20+

reinsurance brokers work with us

Why Parametric Matters for Insurance Companies

Parametric reinsurance triggers payouts based on objective, predefined physical measurements—rather than traditional loss adjustment—allowing insurers to access fast and transparent recovery after catastrophic events.

Insurers increasingly use parametric cover to design tailored natural perils protection and address protection gaps across their conventional reinsurance tower. It helps stabilize earnings, reinforces balance-sheet strength, and provides support on perils and scenarios poorly covered by conventional reinsurance towers. It also supplies immediate capital for reinstatement premiums following catastrophic events.

In practice, parametric cover acts as a flexible, responsive complement that enhances the overall effectiveness of any conventional reinsurance structure and is an essential component of the reinsurance toolkit.

Built Around Two Core Insurer Objectives

✓ Earnings Protection: 

Stabilize financial results by providing frequency protection against high-volume, low-severity events through portfolio aggregate covers.

✓ Capital Efficiency: 

Reduce exposure on remote layers of the tower, lowering an insurer’s large losses and enhancing solvency capital ratios via balance sheet protection.

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Seamless Integration with the Cedent’s View of Risk

✓ Fully Tailored, Never One-Size-Fits-All

Working closely with each cedent’s reinsurance broker, Descartes designs parametric structures around their specific portfolio characteristics and internal risk view. This ensures a close alignment between the parametric payout and the insurer’s actual loss experience. Unlike rigid industry-index products such as ILWs, our solutions are fully flexible and purpose-built for each insurer.

✓ Modelled-Loss Options for Perfect Alignment

To ensure the structure mirrors the cedent’s own view of risk, Descartes develops the optimal parametric proxy for each portfolio. Modelled-loss solutions can be structured using Descartes’ proprietary models, or the cedent’s preferred vendor models to guarantee seamless integration with internal risk frameworks and risk processes.

✓ Transparent Back-Testing and Evidence-Based Design

We analyze historical portfolio data and loss history to show exactly how the parametric structure would have responded to past events. This quantitative back-testing provides high transparency on expected performance and reinforces confidence in the coverage design.

Fast Payouts and Immediate Liquidity

✓ Objective Triggers, No Need to Wait for Loss Adjustments by The Cedent

Parametric reinsurance pays out when pre-defined, objectively measured physical indices are exceeded. Because recoveries are not tied to incurred loss calculations,  claims can be paid within weeks.

✓ Weeks, Not Months or Years

Traditional treaties — and index instruments such as Industry Loss Warranties — often require months or even years to finalize loss computations. Descartes’ parametric structures deliver contractual certainty and payouts within weeks of the triggering event or the end of the policy period.

✓ Liquidity When Insurers Need It Most

Fast recoveries provide immediate cash flow for critical financial needs, including loss fund financing, funding of reinstatement premiums, and maintaining dividend policies after a major event. This accelerated liquidity strengthens financial resilience and supports faster recovery following catastrophic losses.

Case study: Typhoon Reinsurance for Taiwan

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How Descartes Parametric Reinsurance Works

Assess

Each cedant’s risk appetite and portfolio risk profile are closely assessed with the support of their broker to determine the most appropriate structure, limit, and triggers.

Customize

Bespoke layers of reinsurance structured to optimize the ceding insurers’ existing reinsurance tower.

Monitor

Upon inception of the reinsurance policy, we monitor the globe for the occurrence of reinsured events to determine when a qualifying loss has occurred.

Payout

Reinsured clients receive recoveries within weeks of first notice of loss, accelerating financial recovery cutting red tape for quick full and final settlement.

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Case Studies

Our parametric reinsurance products can be applied to cover several perils, geographies, and cedent types.

  • 🌪️ Capacity for Florida Wind Exposure

    ✅ Context: Facing an increasing appetite for homeowner business in Florida, a carrier sought to augment its traditional reinsurance procurement with USD 140m in parametric capacity.

    ✅ Solution Design: Working closely with the broker, Descartes assigned distinct insured values to each ZIP code. The structure utilized a refined loss model where individual payouts were calculated based on the distance to the hurricane track and sustained wind speeds. The aggregate losses included a modelled reimbursement from the Florida Hurricane Catastrophe Fund and a modelled primary reinsurance layer of USD 75m.

    ✅ Results: A USD 140m XS 75m structure demonstrated its efficacy during the 2024 season. Had this been in place during Hurricane Milton, it would have triggered a prompt recovery of nearly USD 40m, proving its value as a cost-efficient tool for capital management.

  • ⚡Additional Earthquake Protection Layer for a Turkish Cedent

    ✅ Context: A commercial property cedent in Turkiye was looking for excess reinsurance capacity to cover their peak earthquake perils. 

    ✅ Solution Design: Their broker’s Alternative Risk Transfer (ART) team engaged Descartes to design a solution that would mirror actual loss patterns while ensuring rapid liquidity to fund reinstatement premiums. Our underwriters and data scientists engineered a structure that calculated payouts based on the magnitude of the seismic event and the proximity of the portfolio’s assets to the fault line.

    ✅ Results: With an USD 80m XS 200m remote parametric layer, the cedent successfully optimized their capital requirements, securing a reliable mechanism for swift compensation following a major earthquake.

  • ⛈️ Addressing Aggregate SCS Volatility for a US Insurer

    ✅ Context: A Texas homeowner insurer faced mounting earnings volatility due to high-frequency Severe Convective Storm (SCS) events that frequently eroded the retention but failed to reach traditional reinsurance attachment points.

    ✅ Solution Design: To solve this, the broker placed a parametric aggregate cover based on Descartes’ proprietary modeled loss index. This index converts hail, tornado, and wind data into estimated loss values, calibrated to align with the client’s internal vendor model outputs. The client secured a USD 50m XS 100m aggregate cover at competitive rates, where traditional markets fell short of expectations.

    ✅ Results: Following an active hailstorm season with USD 130m in modeled losses, the insurer would have received a USD 30m payout within weeks of the policy period ending.

  • 🌊 Advanced Flood Coverage for an Australian Portfolio

    ✅ Context: Seeking to reduce an AUD 200m flood retention, an insurer with a significant Australian home and motor book found traditional market offerings too rigid. 

    ✅ Solution Design: With the support of Descartes’ technological capabilities, the broker designed a parametric flood index using satellite-based rainfall measurements and gridded exposure data. This collaboration ensured the product was precisely calibrated to the insurer’s historical loss data and geographic footprint.

    ✅ Results: By purchasing an AUD 100m XS 100m policy, the insurer achieved a significant reduction in retained exposure, optimizing earnings stability in a region defined by high flood frequency.

  • 🔥 Wildfire Risk Transfer in California to Reduce Accumulation at a Local Level

    ✅ Context: A Californian insurer with high accumulation in a specific neighborhood in the Los Angeles urban area required a bespoke solution to manage localized wildfire risk. They struggled to find such a bespoke, location-specific product in the traditional reinsurance market.

    ✅ Solution Design: In partnership with the broker, Descartes designed a tailor-made wildfire protection. Utilizing high-resolution satellite imagery, any wildfire entering the defined perimeter of the neighborhood triggers a payout proportional to the burned area and the predefined insured values.

    ✅ Results: During events similar to the January 2025 LA fires, this structure ensures the cedent receives critical liquidity in a matter of weeks, rather than the months or years typical of traditional claims adjustment.

  • 🌾 Stop-Loss Reinsurance for a Multi-Peril Crop Insurance Scheme in India

    ✅ Context: As part of a government-subsidized scheme supporting Indian farmers, an insurer required a mechanism to cap portfolio-level losses across multiple states. The broker sought to place a 70% XS 120% Stop-Loss in the reinsurance market.

    ✅ Solution Design: Through an in-depth analysis of multi-peril weather and Nat Cat risks affecting the specific agricultural regions, Descartes was able to confidently underwrite the risk and provide reinsurance capacity at an adequate price. 

    ✅ Results: This stop-loss structure provides the insurer with an essential safety net, ensuring the sustainability of their agricultural portfolio.

FAQ

FAQ

What types of insurance portfolios can be covered?

We can structure parametric solutions for all natural peril-exposed portfolios, including home, motor, commercial, specialty, and aggregated multi-line books.

What is the geographical coverage?

Coverage is available worldwide, across regions exposed to natural catastrophe perils.

What information do insurers need to provide?

We require current portfolio exposure data, and—if available—historical exposures along with past loss history to calibrate and back-test the structure.

Can the parametric structure integrate with our existing vendor models?

Yes. We can build the coverage using your preferred vendor models or Descartes’ proprietary models for seamless alignment.

What is basis risk, and how do modern parametric treaties reduce it (for reinsurance)?

Basis risk is the possibility that a reinsurance payout does not exactly match the reinsured’s actual loss.

To mitigate this, modern parametric reinsurance is engineered to move away from "binary" triggers that pay out all or nothing based on a single threshold. Instead, these products typically utilize incremental payout structures where the indemnity scales gradually as an event intensifies or moves closer to a predefined location (e.g., via distance to track, central pressure, or ground shaking intensity). Furthermore, parametric products are particularly effective for reinsured portfolios covering diverse geographic zones. By aligning trigger levels with dispersed insured values, the structure reduces payout volatility and eliminates "cliff effects", where a minor fluctuation in a parameter would otherwise flip a payout from 100% to 0%, ensuring the recovery more closely tracks the actual loss patterns across the entire portfolio.

To calibrate these structures, our data scientists, climate specialists, and underwriters analyze extensive datasets and apply advanced hazard modelling, large-scale simulations, and rigorous calibration to ensure our parametric proxies capture the most significant loss-driving events. This strengthens the correlation between the trigger and real economic impact.

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Whether you're quoting a complex risk, looking to break into new markets, or just curious about parametric insurance, our team is here to help you win. Reach out and we will get back to you within 48 hours.

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