DUOL vs POR: Correlation
Measured on weekly returns over the past three years, Duolingo, Inc. (DUOL) and Portland General Electric Co (POR) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DUOL and POR?
Across a 3-year window, the weekly returns of DUOL and POR correlate at -0.24, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.39) runs below the 3-year figure (-0.24). Stretching to 5 years gives -0.15, with an annualized covariance of -280.9 %².
POR is close to the least connected end of DUOL's tracked universe, ranking #10 of 13. Their recent paths diverged sharply: over the last 12 months POR outperformed by 76.1 percentage points (-55.1% for DUOL against +21.0% for POR). Risk is not evenly split, since DUOL carries 3.4 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.
DUOL vs POR: side by side
| DUOL (Duolingo, Inc.) | POR (Portland General Electric Co) | |
|---|---|---|
| 1-year return | -55.1% | +21.0% |
| 5-year return | +11.0% | +20.7% |
| Volatility (ann.) | 62.1% | 18.5% |
| Beta vs S&P 500 | 1.55 | 0.10 |
| Max drawdown (3Y) | -83.3% | -16.3% |
| Market cap | $6.7B | $5.9B |
| P/E (trailing) | 16.6 | 22.2 |
| Dividend yield | 0.00% | 4.24% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DUOL | POR |
|---|---|---|
| 2022 | -33.0% | -4.0% |
| 2023 | +218.9% | -7.7% |
| 2024 | +42.9% | +5.3% |
| 2025 | -45.9% | +15.4% |
| 2026 | -18.6% | +6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DUOL and POR good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between DUOL and POR?
The DUOL/POR correlation stands at -0.24 on a 3-year window (1 year: -0.39, 5 years: -0.15), computed from weekly returns as of 2026-08-27.
Is POR a good diversifier for DUOL?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 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/duol-vs-por.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/duol-vs-por/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DUOL correlations · POR correlations
