observations: crude-oil-wti, 2026-05-08

Each row is a single (slug, date, value, unit) tuple. The composite key (slug, date) is unique. Indexed on slug and date for fast filtering. Join to <code>sources</code> on slug to get the human title and primary-source URL.

Data license: CC BY 4.0 · Data source: CalcFi Open Data — primary-source mirror

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slug date value unit
crude-oil-wti 2026-05-08 98.87 usd_per_barrel