A cat-in-a-circle wind trigger around Biloxi, priced on track history and the AkshiSim catalog.
Gulf Coast wind · $6M limit
Inside the tool
What the underwriter actually works with.
A representative view of the Vatya Hurricane workspace for this scenario — coverage setup, the trigger ladder, and the priced result side by side. Figures are illustrative.
Coverage zone
Biloxi, MS · 30.40°N, 88.89°W
Trigger
Cat-in-circle
Radius
150 km
Catalog
AkshiSim 1,000yr
Trigger map
Saffir-Simpson category within radius
Trigger ladder
Model EL
$0.31M
per year
Prob attach
6.8%
Cat 3+ /yr
OEP 1-in-50
$4.8M
Tech ROL
5.2%
1.8× load
Risk to decision
How the deal comes together.
Problem
A coastal hotel group with $40M of Gulf exposure needs cash within days of a hurricane — for payroll and repairs, before a loss adjuster ever arrives. They want a public, indisputable trigger, not a negotiated economic-loss figure.
Structure
150 km cat-in-a-circle around Biloxi, MS paying $2M at Cat 3, $4M at Cat 4, and $6M at Cat 5. The same risk is re-cut as a ring and a track-gate to compare basis risk before quoting.
Evidence
163 years of IBTrACS tracks beside a 1,000-year AkshiSim catalog put the Cat 3+ trigger near a 6.8% annual probability, with OEP 1-in-50 at $4.8M and a credibility flag on the Gulf zone.
Decision
Model EL $0.31M, a 1.8× technical loading, and review checks — all versioned to the deal — before bind. Illustrative only.
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