HUBB vs PH: Correlation
Measured on weekly returns over the past three years, Hubbell Incorporated (HUBB) and Parker Hannifin (PH) carry a correlation of 0.65, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HUBB and PH?
Across a 3-year window, the weekly returns of HUBB and PH correlate at 0.65, strong. Little has changed lately, as the 1-year reading of 0.68 lands near the 3-year figure. Stretching to 5 years gives 0.63, with an annualized covariance of 486.5 %².
Within HUBB's tracked universe of 36 assets, PH comes in at #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PH outperformed by 26.1 percentage points (+6.7% for HUBB against +32.8% for PH). The rolling one-year correlation stayed in a tight band between 0.49 and 0.67 over the past three years, which points to a structural rather than episodic relationship.
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.
HUBB vs PH: side by side
| HUBB (Hubbell Incorporated) | PH (Parker Hannifin) | |
|---|---|---|
| 1-year return | +6.7% | +32.8% |
| 5-year return | +142.6% | +256.4% |
| Volatility (ann.) | 28.3% | 26.6% |
| Beta vs S&P 500 | 1.10 | 1.16 |
| Max drawdown (3Y) | -32.6% | -26.8% |
| Market cap | $24.8B | $127.5B |
| P/E (trailing) | 27.9 | 36.5 |
| Dividend yield | 1.18% | 0.71% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | HUBB | PH |
|---|---|---|
| 2022 | +15.1% | -6.9% |
| 2023 | +42.4% | +60.8% |
| 2024 | +28.9% | +39.6% |
| 2025 | +7.4% | +39.5% |
| 2026 | +6.5% | +15.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HUBB and PH good diversifiers for each other?
To a limited degree. At 0.65 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 HUBB and PH?
Using weekly returns as of 2026-08-27: 0.65 over 3 years, with 0.68 over the last year and 0.63 over 5 years.
Is PH a good diversifier for HUBB?
To a limited degree. At 0.65 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 0.65 mean?
On the −1 to +1 scale, 0.65 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/hubb-vs-ph.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/hubb-vs-ph/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: HUBB correlations · PH correlations
