NRT vs PSO: Correlation
How closely do North European Oil Royality Trust (NRT) and Pearson, Plc (PSO) trade together? Their weekly returns over three years give a correlation of -0.27, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NRT and PSO?
Over the past 3 years, NRT and PSO moved with a correlation of -0.27, 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 -0.17, and the annualized covariance of weekly returns is -305.2 %².
Out of 62 assets tracked against NRT, PSO lands near the bottom at #58. The last year tells two different stories: NRT led by 69.6 percentage points, +85.2% for NRT against +15.6% for PSO. Risk is not evenly split, since NRT carries 2.3 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.
NRT vs PSO: side by side
| NRT (North European Oil Royality Trust) | PSO (Pearson, Plc) | |
|---|---|---|
| 1-year return | +85.2% | +15.6% |
| 5-year return | +131.5% | +77.5% |
| Volatility (ann.) | 51.6% | 22.1% |
| Beta vs S&P 500 | -0.42 | 0.31 |
| Max drawdown (3Y) | -66.1% | -30.7% |
| Market cap | $0.1B | $10.0B |
| P/E (trailing) | 8.4 | 24.1 |
| Dividend yield | 11.95% | 1.56% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NRT | PSO |
|---|---|---|
| 2022 | +41.9% | +37.7% |
| 2023 | -46.5% | +12.0% |
| 2024 | -25.3% | +34.2% |
| 2025 | +88.4% | -11.2% |
| 2026 | +41.9% | +21.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NRT and PSO good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between NRT and PSO?
Using weekly returns as of 2026-08-27: -0.27 over 3 years, with -0.29 over the last year and -0.17 over 5 years.
Is PSO a good diversifier for NRT?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.27 mean?
On the −1 to +1 scale, -0.27 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/nrt-vs-pso.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nrt-vs-pso/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NRT correlations · PSO correlations
