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US supply panel as-of (oldest of the daily carriers)

What it is

US supply panel as-of (oldest of the daily carriers) — registry key us_supply_asof.

The OLDEST latest-observation date across the fiscal daily carriers - the honest as-of when a monthly series lags, so a carried-forward monthly is never read as fresher than its stalest input. long-end supply-stress carrier, Phase 3A 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: treasury_fiscal
Data source: computed

Derived metric — produced inside the platform (app/sources/treasury_fiscal.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 macro_series obs_date across the six fiscal daily-carrier series (YYYY-MM-DD). NULL when none have history. See app/sources/treasury_fiscal.py:_collect.

Where it surfaces

• API field: us_supply.as_of on GET /api/v1/signals/latest
• Surface: daily_signals row (daily-cadence persistence)

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: daily
• Lag days: 1

Recomputed each cycle from the fiscal carrier obs_dates.

See also

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