PH vs VIG: Correlation
Measured on weekly returns over the past three years, Parker Hannifin (PH) and Vanguard Dividend Appreciation ETF (VIG) carry a correlation of 0.68, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PH and VIG?
On 3 years of weekly data the PH/VIG correlation comes out at 0.68, strong. The link has loosened recently: the 1-year correlation (0.46) runs below the 3-year figure (0.68). The 5-year figure is 0.70, and annualized covariance runs at 215.6 %².
Among the 57 assets we track against PH, VIG ranks #10 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PH outperformed by 15.7 percentage points (+32.8% for PH against +17.1% for VIG). The rolling one-year correlation moved between 0.44 and 0.87 over the past three years, a moderate range. One caveat on sizing: PH is 2.2 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
PH vs VIG: side by side
| PH (Parker Hannifin) | VIG (Vanguard Dividend Appreciation ETF) | |
|---|---|---|
| 1-year return | +32.8% | +17.1% |
| 5-year return | +256.4% | +64.0% |
| Volatility (ann.) | 26.6% | 11.9% |
| Beta vs S&P 500 | 1.16 | 0.74 |
| Max drawdown (3Y) | -26.8% | -15.0% |
| Market cap | $127.5B | – |
| P/E (trailing) | 36.5 | – |
| Dividend yield | 0.71% | 1.50% |
| Expense ratio | – | 0.04% |
| Assets under management | – | $130.9B |
| Sector / category | Industrials | ETF · Dividend |
VIG, Vanguard's Large Blend fund, carries $130.9B under management, 333 holdings, a 0.04% expense ratio, a 1.50% trailing dividend yield.
Year-by-year returns
| Year | PH | VIG |
|---|---|---|
| 2022 | -6.9% | -9.8% |
| 2023 | +60.8% | +14.5% |
| 2024 | +39.6% | +17.0% |
| 2025 | +39.5% | +14.2% |
| 2026 | +15.5% | +11.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PH and VIG good diversifiers for each other?
To a limited degree. At 0.68 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 PH and VIG?
Using weekly returns as of 2026-08-27: 0.68 over 3 years, with 0.46 over the last year and 0.70 over 5 years.
Is VIG a good diversifier for PH?
To a limited degree. At 0.68 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 0.68 mean?
On the −1 to +1 scale, 0.68 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ph-vs-vig.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ph-vs-vig/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PH correlations · VIG correlations
