VVIAX: how its history is extended
VVIAX returns from its first trading day; earlier history from VTV, then VIVAX. (represented by the us_large_value asset chain before its own history)
Kind
Backfill chain
Extended from
1992-11-02
Through
2026-09-11
Sources
VVIAX → VTV → VIVAX
Validation at each junction
| Real series | Stands in before it | Real data from | Overlap (years) | Monthly correlation | Return gap (pp/yr) | Gate |
|---|---|---|---|---|---|---|
| VVIAX | VTV | 2000-11-13 | 22.61 | 0.9993 | -0.019 | pass (bars: corr ≥ 0.9, |gap| ≤ 1.0pp) |
| VTV | VIVAX | 2004-01-30 | 22.61 | 0.9993 | 0.153 | 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.