APH vs VTI: Correlation
Measured on weekly returns over the past three years, Amphenol (APH) and Vanguard Total Stock Market ETF (VTI) carry a correlation of 0.69, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APH and VTI?
Across a 3-year window, the weekly returns of APH and VTI correlate at 0.69, strong. Lately the two have drifted apart, with the 1-year correlation at 0.51 versus 0.69 over 3 years. Stretching to 5 years gives 0.70, with an annualized covariance of 338.5 %².
Among the 38 assets we track against APH, VTI ranks #6 by 3-year correlation. The last year tells two different stories: APH led by 26.8 percentage points, +47.5% for APH against +20.7% for VTI. The rolling one-year correlation moved between 0.47 and 0.83 over the past three years, a moderate range. Note the risk asymmetry: APH runs 2.3 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.
APH vs VTI: side by side
| APH (Amphenol) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +47.5% | +20.7% |
| 5-year return | +338.9% | +74.8% |
| Volatility (ann.) | 33.6% | 14.6% |
| Beta vs S&P 500 | 1.57 | 1.01 |
| Max drawdown (3Y) | -28.2% | -19.3% |
| Market cap | $199.0B | – |
| P/E (trailing) | 40.3 | – |
| Dividend yield | 0.57% | 1.06% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $2,290.0B |
| Sector / category | Information Technology | ETF · US Large Cap |
VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.
Year-by-year returns
| Year | APH | VTI |
|---|---|---|
| 2022 | -12.0% | -19.5% |
| 2023 | +31.5% | +26.0% |
| 2024 | +41.3% | +23.8% |
| 2025 | +96.1% | +17.1% |
| 2026 | +19.8% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 0.28% of VTI is APH itself, so the fund partly moves with the stock by construction.
Are APH and VTI good diversifiers for each other?
To a limited degree. At 0.69 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 APH and VTI?
As of 2026-08-27, the correlation of weekly returns between APH and VTI is 0.69 over 3 years, 0.51 over 1 year and 0.70 over 5 years.
Is VTI a good diversifier for APH?
To a limited degree. At 0.69 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 0.69 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/aph-vs-vti.json
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Related comparisons
Hubs: APH correlations · VTI correlations
