IDXX vs VT: Correlation
Measured on weekly returns over the past three years, Idexx Laboratories (IDXX) and Vanguard Total World Stock ETF (VT) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IDXX and VT?
On 3 years of weekly data the IDXX/VT correlation comes out at 0.50, moderate. The past 12 months show a weaker link (0.34) than the 3-year average (0.50). The 5-year figure is 0.61, and annualized covariance runs at 212.5 %².
Within IDXX's tracked universe of 35 assets, VT comes in at #8 by 3-year correlation. The last year tells two different stories: VT led by 37.6 percentage points, -14.9% for IDXX against +22.7% for VT. Across three years, the rolling one-year figure varied moderately, from 0.35 to 0.79. Note the risk asymmetry: IDXX runs 2.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
IDXX vs VT: side by side
| IDXX (Idexx Laboratories) | VT (Vanguard Total World Stock ETF) | |
|---|---|---|
| 1-year return | -14.9% | +22.7% |
| 5-year return | -20.7% | +67.7% |
| Volatility (ann.) | 30.9% | 13.9% |
| Beta vs S&P 500 | 1.01 | 0.92 |
| Max drawdown (3Y) | -37.4% | -16.5% |
| Market cap | $42.9B | – |
| P/E (trailing) | 38.9 | – |
| Dividend yield | 0.00% | 1.59% |
| Expense ratio | – | 0.06% |
| Assets under management | – | $97.9B |
| Sector / category | Health Care | ETF · Global |
VT is a Global Large-Stock Blend fund from Vanguard: $97.9B under management, 5308 holdings, a 0.06% expense ratio, a 1.59% trailing dividend yield.
Year-by-year returns
| Year | IDXX | VT |
|---|---|---|
| 2022 | -38.0% | -18.0% |
| 2023 | +36.1% | +22.0% |
| 2024 | -25.5% | +16.5% |
| 2025 | +63.6% | +22.4% |
| 2026 | -19.4% | +15.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IDXX and VT good diversifiers for each other?
To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between IDXX and VT?
Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.34 over the last year and 0.61 over 5 years.
Is VT a good diversifier for IDXX?
To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.50 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/idxx-vs-vt.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/idxx-vs-vt/)
No key needed, free to use. Full endpoint list in the API documentation.
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Hubs: IDXX correlations · VT correlations