NWN vs T: Correlation
How closely do Northwest Natural Holding Company (NWN) and AT&T (T) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NWN and T?
Across a 3-year window, the weekly returns of NWN and T correlate at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.33 lands near the 3-year figure. Stretching to 5 years gives 0.35, with an annualized covariance of 171.5 %².
Within NWN's tracked universe of 16 assets, T comes in at #10 by 3-year correlation. Correlation aside, the last 12 months split them widely, with NWN ahead by 32.8 points (+24.4% versus -8.4%).
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 T: side by side
| NWN (Northwest Natural Holding Company) | T (AT&T) | |
|---|---|---|
| 1-year return | +24.4% | -8.4% |
| 5-year return | +20.2% | +67.2% |
| Volatility (ann.) | 20.8% | 22.4% |
| Beta vs S&P 500 | 0.17 | 0.05 |
| Max drawdown (3Y) | -13.5% | -28.9% |
| Market cap | $2.1B | $174.3B |
| P/E (trailing) | 16.9 | 8.4 |
| Dividend yield | 3.91% | 4.29% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | NWN | T |
|---|---|---|
| 2022 | +1.5% | +6.5% |
| 2023 | -14.4% | -2.7% |
| 2024 | +6.8% | +44.1% |
| 2025 | +23.7% | +14.0% |
| 2026 | +9.2% | +6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NWN and T good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between NWN and T?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.33 over the last year and 0.35 over 5 years.
Is T a good diversifier for NWN?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: NWN correlations · T correlations