Every value U.S. Energy Information Administration revised after first release. Each vintage is kept, so first print vs. current is a lookup, not a reconstruction.
Tracking since 2026-07-04; earlier revisions aren’t captured.
| Observation | First print | Current | Δ | Vintages | Last revised |
|---|---|---|---|---|---|
| Jul 20, 2026 | $3.5 | $3.55 | +$0.05 | 2 | 2026-08-05 |
| Jul 13, 2026 | $3.38 | $3.35 | -$0.03 | 2 | 2026-07-29 |
| Jul 6, 2026 | $2.83 | $2.83 | -$0 | 2 | 2026-07-22 |
| Jun 29, 2026 | $2.91 | $2.93 | +$0.02 | 2 | 2026-07-15 |
Δ is current minus first print, across all vintages. Every intermediate vintage, with its source URL, is in the JSON API.