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      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=CPIAUCSL&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
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      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "UNRATE",
      "vintage_date": "2025-01-01",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=UNRATE&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
      "retrieved_at": "2026-10-23T08:35:10.536310+00:00",
      "status": "DOWNLOADED",
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      "available_at": "2025-01-03T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "FEDFUNDS",
      "vintage_date": "2025-01-01",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=FEDFUNDS&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
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      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "GS10",
      "vintage_date": "2025-01-01",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=GS10&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
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      "status": "DOWNLOADED",
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      "last_observation": "2024-11-01",
      "available_at": "2025-01-03T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "PAYEMS",
      "vintage_date": "2025-01-01",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=PAYEMS&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
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      "status": "DOWNLOADED",
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      "available_at": "2025-01-03T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "GDPC1",
      "vintage_date": "2025-01-01",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=GDPC1&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
      "retrieved_at": "2026-10-23T08:35:13.345503+00:00",
      "status": "DOWNLOADED",
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      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "T10Y3M",
      "vintage_date": "2025-01-01",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=T10Y3M&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-01-01",
      "retrieved_at": "2026-10-23T08:35:16.311763+00:00",
      "status": "DOWNLOADED",
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      "available_at": "2025-01-03T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
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      "vintage_date": "2025-12-31",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=INDPRO&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
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      "status": "DOWNLOADED",
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      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
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      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=CPIAUCSL&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
      "retrieved_at": "2026-10-23T08:35:19.061643+00:00",
      "status": "DOWNLOADED",
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      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "UNRATE",
      "vintage_date": "2025-12-31",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=UNRATE&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
      "retrieved_at": "2026-10-23T08:35:21.625608+00:00",
      "status": "DOWNLOADED",
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      "available_at": "2026-01-02T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
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    {
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      "vintage_date": "2025-12-31",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=FEDFUNDS&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
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      "status": "DOWNLOADED",
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      "available_at": "2026-01-02T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
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      "vintage_date": "2025-12-31",
      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=GS10&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
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      "available_at": "2026-01-02T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
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      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=PAYEMS&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
      "retrieved_at": "2026-10-23T08:35:25.433286+00:00",
      "status": "DOWNLOADED",
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      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
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      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=GDPC1&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
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      "status": "DOWNLOADED",
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      "available_at": "2026-01-02T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
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    {
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      "source_url": "https://alfred.stlouisfed.org/graph/alfredgraph.csv?id=T10Y3M&cosd=1926-01-01&coed=2025-12-31&vintage_date=2025-12-31",
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      "available_at": "2026-01-02T00:00:00+00:00",
      "usage": "MACRO_SNAPSHOT_NOT_TRADABLE_PRICE",
      "timing_policy": "Snapshot withheld until vintage date + 2 days UTC; never backdate to observation month."
    },
    {
      "series": "CBBTCUSD",
      "vintage_date": null,
      "source_url": "https://fred.stlouisfed.org/graph/fredgraph.csv?id=CBBTCUSD&cosd=1926-01-01&coed=2025-12-31",
      "retrieved_at": "2026-10-23T08:35:30.177274+00:00",
      "status": "DOWNLOADED",
      "file": "data/reference_prices/CBBTCUSD.csv",
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      "first_observation": "2014-12-01",
      "last_observation": "2025-12-31",
      "available_at": null,
      "usage": "DAILY_REFERENCE_ONLY_NOT_INTRADAY_EXECUTION",
      "timing_policy": "Not independently vintage-validated; excluded from execution replay."
    },
    {
      "series": "CBETHUSD",
      "vintage_date": null,
      "source_url": "https://fred.stlouisfed.org/graph/fredgraph.csv?id=CBETHUSD&cosd=1926-01-01&coed=2025-12-31",
      "retrieved_at": "2026-10-23T08:35:32.757555+00:00",
      "status": "DOWNLOADED",
      "file": "data/reference_prices/CBETHUSD.csv",
      "sha256": "504fdd3e3eea7e3c8da475dfa30a95efb34e0a24913e1250641495c206bc0587",
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      "last_observation": "2025-12-31",
      "available_at": null,
      "usage": "DAILY_REFERENCE_ONLY_NOT_INTRADAY_EXECUTION",
      "timing_policy": "Not independently vintage-validated; excluded from execution replay."
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  "historical_execution_dataset_complete": false
}