Every value stonks (computed) 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 |
|---|---|---|---|---|---|
| Sep 1, 2026 | $2.8 | $2.79 | -$0.01 | 2 | 2026-09-11 |
| Aug 31, 2026 | $2.8 | $2.79 | -$0.01 | 2 | 2026-09-11 |
Δ is current minus first print, across all vintages. Every intermediate vintage, with its source URL, is in the JSON API.