ElevateNow Agentic Recipe for Cohort Analysis

AI-Driven Cohort Analysis:
From Months to Hours

Transform manual, time-intensive loss reserving workflows into an automated, governance-first agentic recipe that delivers actuarially sound cohort segmentation with full transparency and regulatory compliance.

Property & Casualty Insurance Actuarial Standards Compliant Hallucination-Proof Architecture

The Cohort Analysis Bottleneck

Loss reserving depends on identifying groups of claims that develop similarly over time. Yet the process of creating, testing, and validating these cohorts remains overwhelmingly manual. creating a structural bottleneck that limits precision, speed, and adaptability.

3-6
Months per Cohort Cycle
150+
Potential Cohort Groups
~10%
Groups Actually Tested
100s
Granular Triangles Generated
TIME

Time-Intensive Manual Review

Actuaries manually review dozens or hundreds of granular triangles, relying on visual pattern recognition and expert judgment. a process that takes months per reserving cycle.

SIGNAL

Signal Lost in Noise

Brute-force triangle generation produces signal and noise together. Distinguishing meaningful patterns from random variation requires intensive expert review at scale.

CAPACITY

Limited Testing Capacity

Due to operational burden, only a fraction of potential cohort hypotheses are tested. Promising segmentation strategies remain unexplored simply due to time constraints.

REFRESH

Infrequent Refresh Cycles

Cohorts are refreshed infrequently. not because they lack value, but because the process doesn't scale. This limits adaptability to emerging risks like climate volatility or inflation.

DOCS

Inconsistent Documentation

Documentation focuses only on final selections, with limited transparency into rejected alternatives. This reduces auditability and makes it difficult to explain cohort logic to regulators.

VALID

No Standardized Validation

Cohort credibility is assessed through judgment and experience, not systematic testing. There's no repeatable framework for comparing alternative cohort designs.

How Cohort Analysis Works Today

The traditional approach relies heavily on actuarial expertise and manual iteration. While this produces sound results, it doesn't scale with increasing data volume, granularity, or the need for rapid adaptation to changing risk dynamics.

1

Generate Granular Loss Triangles

Existing tools produce triangles at highly granular levels. by peril, business unit, geography, loss size, attorney involvement, and more. This creates dozens or hundreds of triangles for a single line of business.

High volume, no prioritization
2

Manual Pattern Recognition

Actuaries visually review these triangles to identify similar development patterns. They look for tight clustering of age-to-age factors, convergence trends, and stability across accident years.

Time-consuming, varies by analyst
3

Iterative Cohort Grouping

Based on pattern recognition, actuaries iteratively group triangles into candidate cohorts. This is exploratory. combining and recombining until something "looks right" based on experience and judgment.

Not standardized, limited hypotheses tested
4

Ad-Hoc Credibility Assessment

Cohort credibility is evaluated using volume thresholds, factor stability checks, and reasonableness of ultimate loss estimates. These assessments are not automated and lack systematic testing frameworks.

Subjective, no comparative scoring
5

Limited Documentation

Documentation typically covers only the final cohort structure. Rejected alternatives and the rationale behind choices are often undocumented, limiting explainability for auditors and regulators.

Reduced auditability and repeatability
6

Infrequent Refresh

Due to the operational burden, cohorts are refreshed infrequently. often only when development patterns appear to have shifted significantly. The process cannot keep pace with increasing data volume or volatility.

Lagging indicator, not proactive

The Core Constraint: Traditional methods are limited by process, not by analytical value. The inability to systematically explore and validate cohort alternatives creates a structural bottleneck that prevents actuarial teams from achieving the precision and adaptability modern reserving demands.

ElevateNow: Governance-First Agentic Recipe

Rather than retrofitting AI onto existing processes, ElevateNow is built from first principles: deterministic calculations, agentic orchestration, and regulatory compliance by design.

Principle 1: Hard Boundary Design

LLMs never generate numbers. All actuarial calculations. ATA factors, R² regressions, reconciliation checks. are executed by auditable Python code. The AI agent orchestrates workflow and synthesizes narratives, but cannot hallucinate reserve amounts.

Zero Math Hallucination Risk

Principle 2: Tools for Data, Agents for Synthesis

Deterministic tools handle all data transformations: triangle construction, cohort slicing, statistical testing, and reconciliation. AI agents handle hypothesis generation, narrative synthesis, and assessment recommendations.

Clear Separation of Concerns

Principle 3: ASOP Compliance by Design

Every calculation is traceable to Python source code. Audit trails are automatically generated. Schema validation catches errors before AI processing. This architecture directly addresses ASOP 56 (Modeling) transparency requirements.

Regulatory-Ready Architecture

Principle 4: Agentic Orchestration

Rather than rigid pipelines, ElevateNow uses a dynamic recipe matrix. The AI agent decides when to call tools based on analysis context, data characteristics, and human checkpoint approvals. enabling flexible, adaptive workflows.

Flexible, Context-Aware Routing

Principle 5: Data-Driven Hypothesis Generation

The agent analyzes actual portfolio metrics. accident year distributions, dimension values, portfolio shares. to propose 4-5 testable hypotheses. Predictions cite specific data from deterministic tool outputs, not generic actuarial knowledge.

Evidence-Based Recommendations

Principle 6: Systematic Statistical Testing

Every cohort design undergoes three automated tests: homogeneity (within-cohort R²), heterogeneity (one-level-up pattern comparison), and retrospective (actual vs expected). Composite scores enable objective ranking of alternative designs.

Repeatable Validation Framework

Why This Matters: Traditional AI approaches mix deterministic and stochastic logic, creating ambiguity about where calculations come from. ElevateNow's hard boundary design eliminates this ambiguity: if it's a number, it came from Python code. If it's an interpretation, it came from the AI agent. This separation is what makes the agentic recipe auditable, explainable, and safe for production reserving.

ElevateNow Cohort Analysis Agentic Recipe

An end-to-end automated system that transforms months of manual cohort analysis into a one-hour, governance-first workflow. without compromising actuarial standards or regulatory compliance.

Complete Workflow Automation

From CSV upload to final cohort selection, ElevateNow handles data ingestion, hypothesis generation, statistical testing, retrospective validation, and documentation. all while maintaining human oversight at strategic checkpoints.

Phase 1
Data Ingestion & Profiling

Upload loss triangle CSV. System validates data quality, constructs cumulative master triangle, enforces MECE reconciliation, and generates data profile with portfolio metrics.

Master triangle validated
Data profile generated
Dimensions identified
Phase 2
AI-Powered Hypothesis Generation

Agent analyzes portfolio characteristics and proposes 4-5 cohort hypotheses. each with data support, credibility checks, expected performance scores, and actuarial rationale.

Single-dimension cohorts
Multi-dimensional cohorts
Null baseline hypothesis
Credibility pre-checks
Phase 3
Cohort Construction & Reconciliation

System slices master triangle into cohort sub-triangles per approved hypothesis. Validates credibility thresholds, enforces MECE completeness, and verifies reconciliation (cohort sum = master at every cell).

Cohort triangles built
MECE validation passed
Reconciliation checks
Phase 4
Statistical Testing (Automated)

Three rigorous tests applied to each cohort: Homogeneity (within-cohort R² regression), Heterogeneity (one-level-up pattern comparison), and Retrospective (actual vs expected emergence). Composite score ranks all hypotheses objectively.

Homogeneity scores
Heterogeneity scores
Retrospective AvE
Composite ranking
Phase 5
Assessment & Recommendation

Agent synthesizes test results into clear assessment: composite score >75 = recommended, 60-75 = acceptable with refinements, <60 = try alternative hypothesis. Comparative rankings across all tested designs support informed decision-making.

Interpretive narrative
Comparative rankings
Recommendation report
Phase 6
Export & Documentation

Generate deliverables: cohort triangles CSV (ready for reserving models), master triangle CSV (for benchmarking), and full documentation package (audit trail, statistical test results, methodology narrative). All outputs are production-ready.

Cohort triangles CSV
Master triangle CSV
Audit documentation
Methodology report

Measurable Value for Actuarial Teams

SPEED

Cycle Time Reduction

Transform 3-6 month manual cohort cycles into 1-hour automated workflows. Test 5+ hypotheses per analysis instead of 1-2. Enable quarterly refresh cycles instead of annual. dramatically increasing responsiveness to emerging risks.

90%+ faster analysis cycles
ACCURACY

Improved Reserve Accuracy

Systematic testing across multiple hypotheses identifies the objectively best cohort design. not just the first acceptable one. Heterogeneity scores >80 indicate materially different development patterns that improve reserve precision.

Higher composite scores = better segmentation
SCALE

Exploration at Scale

Test multi-dimensional hypotheses that would be operationally infeasible manually. Explore interactions between dimensions (e.g., Peril × CAT × Business Unit) to discover non-intuitive but actuarially meaningful segmentations.

10x more hypotheses tested per cycle
COMPLIANCE

Regulatory Compliance

Automated audit trails document every decision. Full transparency into rejected alternatives and statistical rationale. ASOP 56 compliant by design. every calculation traceable to source code, not LLM generation.

Auditor-ready documentation
STANDARD

Repeatable, Standardized Process

Eliminate analyst-to-analyst variation. The same data and hypothesis always produce the same test results (deterministic calculations). Composite scoring provides objective, comparable metrics across all designs.

Consistent, reproducible results
GROWTH

Scalable Foundation

Start with Property, expand to CMP Liability, Workers' Comp, and beyond. The agentic recipe scales with data volume (thousands of triangles) and complexity (additional dimensions, unstructured data) without linear increases in manual effort.

Built for enterprise scale

Ready to Modernize Your Reserving Workflow?

Join forward-thinking actuarial teams leveraging AI to achieve faster, more accurate, and more defensible loss reserve estimates. without compromising regulatory standards.