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Sovereign panel as-of (oldest of six)

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Sovereign panel as-of (oldest of six)

What it is

Sovereign panel as-of (oldest of six) — registry key sovereign_panel_asof.

The OLDEST latest-observation date across the six-country long-end panel - the honest as-of when one country lags (Japan publishes on Tokyo time), so the synchrony counts are never read as fresher than their stalest input. long-end supply-stress carrier, Phase 2 of improvements/long-end-stress.md; scoring deferred to a pre-registered study.

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: sovereign_yields
Data source: computed

Derived metric — produced inside the platform (app/sources/sovereign_yields.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

min() of the latest observation date across the six synchrony-set macro_series series - the oldest of the six (YYYY-MM-DD), so a lagging country sets the honest panel as-of. NULL when the set has no history. See compute_sovereign_panel.

Where it surfaces

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

Recomputed each cycle as the oldest latest-obs across the six panel series.

See also