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Growth/Value ratio

What it is

Growth/Value ratio — registry key growth_value.

Growth-vs-value ratio from relative-rotation source; raw context value.

Data-pyramid tier

T1 — Signal. This metric sits at the signal layer of the platform’s six-tier data pyramid (T0 raw inputs → T5 actionable read). The tier reflects how far the value is from a raw measurement — not how strongly it is validated. Abstraction and validation are separate axes: a higher tier is not a claim of stronger evidence.

Horizon & validation

No validated skill horizon is on file for this metric — read it as context / a data carrier, not a validated edge. Stamps are added only when a gated research verdict lands.

Source

Source module: market
Data source: computed

Derived metric — produced inside the platform (app/sources/market.py or equivalent) rather than fetched as a raw upstream value. See the How it's computed section below for the formula.

How it’s computed

Russell 1000 Growth ÷ Russell 1000 Value price ratio (IWF ÷ IWD). Style-rotation signal: rising = growth leadership; falling = value rotation. See app/sources/market.py IWF/IWD fetch.

Where it surfaces

• API field: rotation.growth_value on GET /api/v1/signals/latest
• Surface: daily_signals row (daily-cadence persistence)
• Surface: change markers in the rendered report

Health-score / alignment role

Data carrier — no implication, no health-score contribution.

Persisted for downstream consumers (sparklines, base-rate matcher, calibration substrate) but does not classify into BULLISH / NEUTRAL / BEARISH and does not contribute to the 0-100 health score.

Release cadence

• Publishes: intraday

See also

• /kb/api/get-signals-latest — API endpoint that serves this field.