AREC vs UNH: Correlation
How closely do American Resources Corporation (AREC) and UnitedHealth Group (UNH) trade together? Their weekly returns over three years give a correlation of -0.18, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AREC and UNH?
Across a 3-year window, the weekly returns of AREC and UNH correlate at -0.18, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.19) than the 3-year average (-0.18). Stretching to 5 years gives -0.13, with an annualized covariance of -1037.6 %².
Among the 16 assets we track against AREC, UNH sits near the bottom by co-movement, at rank #16. Correlation aside, the last 12 months split them widely, with UNH ahead by 15.2 points (+18.3% versus +33.5%). Risk is not evenly split, since AREC carries 3.5 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.
AREC vs UNH: side by side
| AREC (American Resources Corporation) | UNH (UnitedHealth Group) | |
|---|---|---|
| 1-year return | +18.3% | +33.5% |
| 5-year return | +18.9% | +3.1% |
| Volatility (ann.) | 141.0% | 39.8% |
| Beta vs S&P 500 | 1.27 | 0.17 |
| Max drawdown (3Y) | -78.1% | -61.4% |
| Market cap | $0.3B | $354.6B |
| P/E (trailing) | – | 25.8 |
| Dividend yield | 0.00% | 2.23% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | AREC | UNH |
|---|---|---|
| 2022 | -26.7% | +6.9% |
| 2023 | +12.9% | +0.8% |
| 2024 | -32.2% | -2.4% |
| 2025 | +145.5% | -33.1% |
| 2026 | +4.0% | +21.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AREC and UNH good diversifiers for each other?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AREC and UNH?
The AREC/UNH correlation stands at -0.18 on a 3-year window (1 year: 0.19, 5 years: -0.13), computed from weekly returns as of 2026-08-27.
Is UNH a good diversifier for AREC?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.18 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/arec-vs-unh.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/arec-vs-unh/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AREC correlations · UNH correlations
