VDE: how its history is extended
VDE returns from its first trading day; earlier history from XLE.
Kind
Backfill chain
Extended from
1998-12-23
Through
2026-10-09
Sources
VDE → XLE
Validation at each junction
| Real series | Stands in before it | Real data from | Overlap (years) | Monthly correlation | Return gap (pp/yr) | Gate |
|---|---|---|---|---|---|---|
| VDE | XLE | 2004-09-29 | 22.03 | 0.9976 | -0.587 | pass (bars: corr ≥ 0.9, |gap| ≤ 1.0pp) |
Figures on this page are computed from the data store when the page renders; the gate is re-checked every time an extension is used. Method: the lab's tracking standard, lab.data.chains.