XL Reinsurance Programme
Each layer acts as a potential barrier defined by attachment and limit
# Name Attachment (M€) Limit (M€) Top (M€)
Risk wave propagation through XL barriers Amplitude decays through each barrier — dashed = tunnelling
Risk wave
Evanescent (tunnelling)
XL barrier (layer)
∿
Configure the programme, then price
Edit the XL layers and wave parameters,
then click â–¶ Price Layers.
Calculated peril —
Max Tunnelling
—
% · most exposed layer
Barrier Slope
—
penetration coefficient
Classical XL Total
—
M€ · expected value price
Wave XL Total
—
M€ · — vs classical
Layer-by-layer results
# Name Structure Tunnelling Barrier slope Regime Classical (M€) Wave (M€) Loading
Premium by layer — Classical vs Wave
Tunnelling probability vs attachment
Risk wave propagation through XL barriers Computed propagation after pricing
Risk wave
Evanescent (tunnelling)
XL barrier (layer)
Wave-Mechanical Interpretation
—
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Pro feature
Free tier: 3 XL layers, 7 calculations/week.
Pro: unlimited layers, full programme pricing, CSV export, multi-peril interference on XL, API access.
Continue with Free tier