VNQ: how its history is extended
VNQ returns from its first trading day; earlier history from VGSIX.
Kind
Backfill chain
Extended from
1996-05-14
Through
2026-09-28
Sources
VNQ → VGSIX
Validation at each junction
| Real series | Stands in before it | Real data from | Overlap (years) | Monthly correlation | Return gap (pp/yr) | Gate |
|---|---|---|---|---|---|---|
| VNQ | VGSIX | 2004-09-29 | 21.93 | 0.9994 | 0.099 | 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.