SAS Stress Testing now supports a configuration‑driven aggregation capability that summarizes results after model execution, without altering the underlying model logic. This enhancement improves performance and helps control data volume by reducing the need to store or process unnecessary granular outputs.
Aggregation enables you to analyze results at higher levels, such as at the portfolio or segment level, making it especially valuable for exploratory and attribution‑focused analysis, when speed of insight is prioritized over detailed result persistence.
The new Aggregation tab supports two distinct aggregation types:
- report mart aggregation
- analysis data aggregation
These two aggregation types are mutually exclusive and cannot be applied simultaneously to the same data definition. The enhancement extends aggregation support to analysis data by leveraging the same configuration concepts already used for report mart aggregation, ensuring consistency and ease of adoption.
Aggregation is executed at the end of the Credit Risk Analysis task, after the SAS Stress Testing model completes. This guarantees that model behavior, calculations, and results remain unchanged, while enabling more efficient post‑processing and analysis.
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Cross-Scenario Attribution
Cross-scenario attribution helps you understand which factors in your attribution template contributed to your changes in expected credit losses (or other output variables) between different scenarios within a single results table.
For 2026.03, cross-results attribution is supported only for legacy results. Cross-results scripts prior to 2026.03 are supported in upgrade cases, but the stress testing attribution script and sample workflow now perform cross-scenario attribution.
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Ability to Promote Object Artifacts across Environments
Administrators can promote object artifacts across environments from within the SAS Stress Testing user interface, ensuring that changes are tested and validated as they progress through development, testing, and production.
Note: The Promotion feature does not replace all existing manual promotion approaches, and not every object type or configuration is supported.
To support this feature, a new mandatory field named SOURCE_SYSTEM_CD (Source System Code) is added to the execution_config configuration table. This field provides the source system code for environments in which nested portfolio enrichment scripts are permitted to run.
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