AVA vs CPK: Correlation
Measured on weekly returns over the past three years, Avista Corporation (AVA) and Chesapeake Utilities Corporation (CPK) 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 AVA and CPK?
On 3 years of weekly data the AVA/CPK correlation comes out at 0.68, strong. Recent behaviour matches the longer record: 0.66 over 1 year against 0.68 over 3. The 5-year figure is 0.72, and annualized covariance runs at 278.3 %².
Among the 20 assets we track against AVA, CPK ranks #6 by 3-year correlation. Neither side won the trailing year by much: +6.9% against +10.1%.
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.
AVA vs CPK: side by side
| AVA (Avista Corporation) | CPK (Chesapeake Utilities Corporation) | |
|---|---|---|
| 1-year return | +6.9% | +10.1% |
| 5-year return | +15.3% | +13.6% |
| Volatility (ann.) | 19.8% | 20.5% |
| Beta vs S&P 500 | 0.05 | 0.12 |
| Max drawdown (3Y) | -14.0% | -22.0% |
| Market cap | $3.2B | $3.2B |
| P/E (trailing) | 13.8 | 21.4 |
| Dividend yield | 5.15% | 2.08% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AVA | CPK |
|---|---|---|
| 2022 | +8.8% | -17.6% |
| 2023 | -15.3% | -8.8% |
| 2024 | +7.8% | +17.4% |
| 2025 | +10.7% | +5.1% |
| 2026 | +1.6% | +8.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AVA and CPK good diversifiers for each other?
Only partially. A correlation of 0.68 means AVA and CPK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between AVA and CPK?
The AVA/CPK correlation stands at 0.68 on a 3-year window (1 year: 0.66, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is CPK a good diversifier for AVA?
Only partially. A correlation of 0.68 means AVA and CPK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
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/ava-vs-cpk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ava-vs-cpk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AVA correlations · CPK correlations
