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The Global Risks Index
NXS-GRX · Methods · 23 capabilities

Catastrophe risk

Methods for catastrophe, insurance, portfolio on the julia and python and r compute planes.

CapabilitiesAll methods
Page GRX-MTH-CREdition Baseline Edition 2026Evidence close 2026-09-30Values not yet publishedSnapshot 31a753f76
23
capabilities
13
kernel-bound
5
method families
4
standards
01Capabilities

23 capabilities

13 of 23 have a bound kernel or engine. States are shown as the registry records them; a request fails closed wherever an adapter, specialist model or governed data is still missing.

MethodCapability IDStateRuns on
Stochastic Event Cataloguerisk.capability.catastrophe-risk.stochastic.event.catalogue.v1Adapter required—
Historical Event Cataloguerisk.capability.catastrophe-risk.historical.event.catalogue.v1Adapter required—
Event Footprintrisk.capability.catastrophe-risk.event.footprint.v1Adapter required—
Secondary Uncertaintyrisk.capability.catastrophe-risk.secondary.uncertainty.v1Adapter requiredpython · catastrophe.elt_ylt_simulation
Loss Amplificationrisk.capability.catastrophe-risk.loss.amplification.v1Adapter required—
Financial Termsrisk.capability.catastrophe-risk.financial.terms.v1Adapter requiredpython · catastrophe.ylt_financial_terms
Event Loss Tablerisk.capability.catastrophe-risk.event.loss.table.v1Adapter requiredpython · catastrophe.event_loss_table
Year Loss Tablerisk.capability.catastrophe-risk.year.loss.table.v1Adapter requiredpython · catastrophe.elt_ylt_simulation
Exceedance Probabilityrisk.capability.catastrophe-risk.exceedance.probability.v1Adapter requiredpython · catastrophe.ep_metrics
Occurrence EPrisk.capability.catastrophe-risk.occurrence.ep.v1Adapter requiredpython · catastrophe.ep_metrics
Aggregate EPrisk.capability.catastrophe-risk.aggregate.ep.v1Adapter requiredpython · catastrophe.ep_metrics
AALrisk.capability.catastrophe-risk.aal.v1Adapter requiredpython · catastrophe.ep_metrics
PMLrisk.capability.catastrophe-risk.pml.v1Adapter requiredpython · catastrophe.ep_metrics
Tail Conditional Expectationrisk.capability.catastrophe-risk.tail.conditional.expectation.v1Adapter requiredpython · catastrophe.ep_metrics
Return Period Loss Curverisk.capability.catastrophe-risk.return.period.loss.curve.v1Adapter requiredpython · catastrophe.rp_band_aal_batch
Portfolio Diversificationrisk.capability.catastrophe-risk.portfolio.diversification.v1Adapter required—
Geographic Correlationrisk.capability.catastrophe-risk.geographic.correlation.v1Adapter required—
Peril Correlationrisk.capability.catastrophe-risk.peril.correlation.v1Adapter required—
Event Clusteringrisk.capability.catastrophe-risk.event.clustering.v1Adapter required—
Climate Adjusted Catastrophe Riskrisk.capability.catastrophe-risk.climate.adjusted.catastrophe.risk.v1Adapter requiredpython · climate.change_factor
Catastrophe Model Blendrisk.capability.catastrophe-risk.catastrophe.model.blend.v1Adapter requiredpython · climate.bayesian_model_averaging
Catastrophe Model Comparisonrisk.capability.catastrophe-risk.catastrophe.model.comparison.v1Adapter required—
Catastrophe Model Validationrisk.capability.catastrophe-risk.catastrophe.model.validation.v1Adapter required—
02Scope

Methods, data and supports

Method families
monte carlo, extreme value, copula dependence, scenario ensemble, vvuq
Domains
catastrophe, insurance, portfolio
Compute planes
julia, python, r
Source classes
event-catalogue, hazard-footprint, exposure, vulnerability, policy-terms
Spatial supports
event-footprint, portfolio, grid
Temporal supports
event, year, return-period
Adapter required23
03Standards

Standards that govern this fabric

NRS-F3NRS-F7NRS-F8NRS-M6

Propose a method

New methods are registered with a stable ID and a hand-derived golden test.

Contribute

Status

The methodology, structure and definitions of The Global Risks Index are a preparatory working draft (2026), circulated for review and comment and not for implementation. No value appears until an edition is released from a governed evidence cut; values then carry intervals, classes, sources and their correction pathway. Simulators run the published methods on numbers you choose and never show a NXS-GRX value.

What NXS-GRX is not

NXS-GRX is research and risk-analytics information. It is not a credit or ESG rating and uses no rating scale, not a benchmark for financial instruments, not official statistics, not an emergency warning or official classification, and not advice. It must not be used to evaluate natural persons. Risk classes are bands on a published scale, never rankings of countries or people.

Institutions and sources

The Nexus Consortium is stewarded by three independent not-for-profit institutions: GCRI Canada as Lead Institution, Consortium Secretariat and lead contracting organization, The Global Risks Forum (GRF) and The Global Risks Alliance (GRA). Technology, infrastructure and service providers work with the Consortium at arm's length under written agreements, like every other external party in the public-private-planet model, and hold no role in its stewardship.

Every value carries the attribution of its sources, which keep their own licences. External names are cited for interoperability only. Nexus-authored text is intended for CC BY 4.0 on release.

Avis en français

La méthodologie et les définitions du NXS-GRX sont un projet de travail préparatoire (2026). Le NXS-GRX est une information de recherche et d'analyse des risques : ni notation, ni indice de référence financier, ni statistique officielle, ni alerte, ni conseil. Les classes de risque sont des bandes sur une échelle publiée, non des classements.