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Global Risks Index

The Global Risks Index Models · Test · on: model version submitted

Test and validate a model

Every model version is backtested, scored out of sample, compared with established indices and documented in a model card before use.

Follow the run All journeys
Page GRX-JRN-VALIDATE-MODELEdition Baseline Edition 2026Evidence close 2026-09-30Jobs 7Values not yet publishedMethod v1.0.0-draft
on: model version submitted · Test and validate a model7 jobs · 1 gate · 11 checks
  1. Model version submitted instant
  2. Backtest 6 hours
  3. Out-of-sample scores 2 hours
  4. Benchmark 2 hours
  5. Model card 1 day
  6. Approval gate 10 days
  7. Promote to production instant

01পরীক্ষা

Test and validate a model

Every model version is backtested, scored out of sample, compared with established indices and documented in a model card before use.

on: model version submitted

Test and validate a model

In progressTriggered by Model owner7 jobs1 approval gate11 checks1 deployment

Graph
01Submit
02পরীক্ষা
03Document
04Approve
05Approve

100%
Timeline
Job0 d2 d4 d6 d8 d10 dTarget
Model version submittedYouinstant
BacktestVerification engine6 h
Out-of-sample scoresVerification engine2 h
BenchmarkVerification engine2 h
Model cardYou1 d
Approval gateMethod stewards10 d
Promote to productionNXS-GRX (canonical data, provenance and risk) Platforminstant

End to end on the longest path: about 11.3 d of proposed target service levels. Gates wait for the people named; bars with a fading end have no fixed length.

Steps
  1. Model version submitted

    Submit · You · instant
    Code, data and seed pinned · Intended use declared
    Model LabPostgreSQL ledger (row-level security)
  2. Backtest

    Test · Verification engine · 6 hours
    Rolling-origin backtest · Hindcasts over the archive
    Verification engineMonte Carlo engine
  3. Out-of-sample scores

    Test · Verification engine · 2 hours
    Brier and CRPS · Reliability and ROC area
    Verification engine
  4. Benchmark

    Test · Verification engine · 2 hours
    Against established indices and naive baselines
    Verification engineindicator standard
  5. Model card

    Document · You · 1 day
    Intended use and limits · Data, method and scores
    Replication packs
  6. Approval gate approval

    Approve · Method stewards · 10 days
    Disposition recorded
    PostgreSQL ledger (row-level security)
  7. Promote to production

    Approve · NXS-GRX Platform · instant
    Version pinned in production · Rollback kept
    Model LabPublic cut API
Artefacts
Artefact Job Who পর্যায়
Version record Model version submitted You Submit
Backtest report Backtest Verification engine পরীক্ষা
Scorecard Out-of-sample scores Verification engine পরীক্ষা
Benchmark table Benchmark Verification engine পরীক্ষা
Model card Model card You Document
Approval record Approval gate Method stewards Approve
Release tag Promote to production NXS-GRX Platform Approve
DoneIn progressWaiting for approvalQueuedApproval gateTest jobDeploymentYou are here
Every model version is backtested, scored out of sample, compared with established indices and documented in a model card before use. The canvas shows where a request stands at the marked job; it is illustrative, not the status of a real request. Durations are proposed target service levels. Select a job for its steps, the people who act, the technology it runs on and what it produces.
02Who it is for

Solutions that use this journey

সরকারি খাত

কেন্দ্রীয় ব্যাংক ও তত্ত্বাবধায়ক

Design supervisory scenarios, read systemic coupling and replicate methods.

See the solution

03প্রযুক্তি

7 components

Each job names the component it runs on; open a job on the canvas for its steps, checks and artefacts.

Model LabPostgreSQL ledger (row-level security)Verification engineMonte Carlo engineindicator standardReplication packsPublic cut API

Part of Models of the Index: Scenario pathways, stress tests, tail and exceedance analytics, coupling contagion and forecasting on the open method library, with tests and model cards.

Start this journey

Talk to the Secretariat to start this journey with your team.

যোগাযোগ

অবস্থা

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.

NXS-GRX যা নয়

NXS-GRX গবেষণা ও ঝুঁকি-বিশ্লেষণ তথ্য। এটি ঋণ বা ESG রেটিং নয় এবং কোনো রেটিং স্কেল ব্যবহার করে না; এটি আর্থিক উপকরণের বেঞ্চমার্ক নয়, সরকারি পরিসংখ্যান নয়, জরুরি সতর্কবার্তা বা সরকারি শ্রেণিবিভাগ নয় এবং পরামর্শ নয়। প্রাকৃতিক ব্যক্তিদের মূল্যায়নে এটি ব্যবহার করা যাবে না। ঝুঁকির শ্রেণি হলো একটি প্রকাশিত স্কেলের ব্যান্ড, কখনো দেশ বা মানুষের র‍্যাংকিং নয়।

প্রতিষ্ঠান ও উৎস

The Nexus Consortium is stewarded by three independent not-for-profit institutions: The Global Centre for Risk and Innovation (GCRI), through GCRI US in Washington, DC and GCRI Canada in Ontario, with GCRI Canada as Lead Institution, Consortium Secretariat and lead contracting organisation; 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.