NWN vs SENEA: Correlation
Northwest Natural Holding Company (NWN) and Seneca Foods Corp. (SENEA) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NWN and SENEA?
On 3 years of weekly data the NWN/SENEA correlation comes out at 0.34, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.34 over 3. The 5-year figure is 0.25, and annualized covariance runs at 233.6 %².
Within NWN's tracked universe of 16 assets, SENEA comes in at #11 by 3-year correlation. The last year tells two different stories: SENEA led by 48.9 percentage points, +24.4% for NWN against +73.3% for SENEA. Risk is not evenly split, since SENEA carries 1.6 times the volatility of the other side.
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.
NWN vs SENEA: side by side
| NWN (Northwest Natural Holding Company) | SENEA (Seneca Foods Corp.) | |
|---|---|---|
| 1-year return | +24.4% | +73.3% |
| 5-year return | +20.2% | +294.2% |
| Volatility (ann.) | 20.8% | 33.3% |
| Beta vs S&P 500 | 0.17 | 0.07 |
| Max drawdown (3Y) | -13.5% | -22.8% |
| Market cap | $2.1B | $1.3B |
| P/E (trailing) | 16.9 | 11.1 |
| Dividend yield | 3.91% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NWN | SENEA |
|---|---|---|
| 2022 | +1.5% | +27.1% |
| 2023 | -14.4% | -14.0% |
| 2024 | +6.8% | +51.1% |
| 2025 | +23.7% | +39.6% |
| 2026 | +9.2% | +73.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NWN and SENEA good diversifiers for each other?
Reasonably. At 0.34, NWN and SENEA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between NWN and SENEA?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.39 over the last year and 0.25 over 5 years.
Is SENEA a good diversifier for NWN?
Reasonably. At 0.34, NWN and SENEA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 mean?
On the −1 to +1 scale, 0.34 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/nwn-vs-senea.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nwn-vs-senea/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NWN correlations · SENEA correlations
