Failure-Mode · CrashTestYourStrategy Ontology
Trend Down
TREND_DOWN
Definition
A market regime characterized by persistent negative directional movement that sustains or deepens across the case window without full recovery; total return typically -20% to -60% over 4-6 months, maximum drawdown -25% to -70% with median around -50%.
Identifier
TREND_DOWN
Slug
trend-down
Score bucket
Yes — contributes to V2 robustness score aggregation.
Regime class
trend_regimes
Related terms
How this term appears in API responses
Appears as termCode in DefinedTerm JSON-LD on /methodology, and as a regime / mode value in /interop agent-API responses.
Operational classification is performed ex-post on simulated replicas; replicas that do not meet the gating definition are excluded from this bucket and may be augmented from a-priori tags when the bucket would otherwise be sparse (Phase 18d).