VTWAX: how its history is extended
VTWAX returns from its first trading day; earlier history from VT. (represented by the world asset chain before its own history)
Kind
Backfill chain
Extended from
2008-06-27
Through
2026-09-11
Sources
VTWAX → VT
Validation at each junction
| Real series | Stands in before it | Real data from | Overlap (years) | Monthly correlation | Return gap (pp/yr) | Gate |
|---|---|---|---|---|---|---|
| VTWAX | VT | 2019-02-07 | 7.59 | 0.9997 | -0.055 | 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.