ACH vs NRT: Correlation
Accendra Health, Inc. (ACH) and North European Oil Royality Trust (NRT) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACH and NRT?
Across a 3-year window, the weekly returns of ACH and NRT correlate at -0.28, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.24 over 1 year against -0.28 over 3. Stretching to 5 years gives -0.14, with an annualized covariance of -1282.7 %².
Within ACH's tracked universe of 16 assets, NRT comes in at #9 by 3-year correlation. The last year tells two different stories: NRT led by 160.5 percentage points, -75.3% for ACH against +85.2% for NRT. One caveat on sizing: ACH is 1.7 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.
ACH vs NRT: side by side
| ACH (Accendra Health, Inc.) | NRT (North European Oil Royality Trust) | |
|---|---|---|
| 1-year return | -75.3% | +85.2% |
| 5-year return | -96.8% | +131.5% |
| Volatility (ann.) | 89.1% | 51.6% |
| Beta vs S&P 500 | 1.37 | -0.42 |
| Max drawdown (3Y) | -96.6% | -66.1% |
| Market cap | $0.1B | $0.1B |
| P/E (trailing) | – | 8.4 |
| Dividend yield | 0.00% | 11.95% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACH | NRT |
|---|---|---|
| 2022 | -55.1% | +41.9% |
| 2023 | -1.3% | -46.5% |
| 2024 | -32.2% | -25.3% |
| 2025 | -78.6% | +88.4% |
| 2026 | -56.8% | +41.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACH and NRT good diversifiers for each other?
By historical standards, yes. A correlation of -0.28 means the two rarely move for the same reasons.
FAQ
What is the correlation between ACH and NRT?
The ACH/NRT correlation stands at -0.28 on a 3-year window (1 year: -0.24, 5 years: -0.14), computed from weekly returns as of 2026-08-27.
Is NRT a good diversifier for ACH?
By historical standards, yes. A correlation of -0.28 means the two rarely move for the same reasons.
What does a correlation of -0.28 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ach-vs-nrt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ach-vs-nrt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACH correlations · NRT correlations
