AYTU vs CPK: Correlation
Measured on weekly returns over the past three years, Aytu BioPharma, Inc. (AYTU) and Chesapeake Utilities Corporation (CPK) carry a correlation of -0.25, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AYTU and CPK?
Over the past 3 years, AYTU and CPK moved with a correlation of -0.25, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.29) sits close to the 3-year figure. Over 5 years the correlation is -0.11, and the annualized covariance of weekly returns is -411.3 %².
Among the 14 assets we track against AYTU, CPK sits near the bottom by co-movement, at rank #14. The trailing year gives CPK the advantage: -3.9% versus +10.1%, a 14.0-point spread. One caveat on sizing: AYTU is 3.9 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.
AYTU vs CPK: side by side
| AYTU (Aytu BioPharma, Inc.) | CPK (Chesapeake Utilities Corporation) | |
|---|---|---|
| 1-year return | -3.9% | +10.1% |
| 5-year return | -97.0% | +13.6% |
| Volatility (ann.) | 80.5% | 20.5% |
| Beta vs S&P 500 | 1.44 | 0.12 |
| Max drawdown (3Y) | -70.2% | -22.0% |
| Market cap | – | $3.2B |
| P/E (trailing) | – | 21.4 |
| Dividend yield | 0.00% | 2.08% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AYTU | CPK |
|---|---|---|
| 2022 | -85.9% | -17.6% |
| 2023 | -25.3% | -8.8% |
| 2024 | -40.1% | +17.4% |
| 2025 | +52.9% | +5.1% |
| 2026 | -13.8% | +8.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AYTU and CPK good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AYTU and CPK?
As of 2026-08-27, the correlation of weekly returns between AYTU and CPK is -0.25 over 3 years, -0.29 over 1 year and -0.11 over 5 years.
Is CPK a good diversifier for AYTU?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 mean?
A reading of -0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aytu-vs-cpk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aytu-vs-cpk/)
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Related comparisons
Hubs: AYTU correlations · CPK correlations
