CRH vs SUPN: Correlation
How closely do CRH plc (CRH) and Supernus Pharmaceuticals, Inc. (SUPN) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRH and SUPN?
On 3 years of weekly data the CRH/SUPN correlation comes out at 0.46, moderate. The link has loosened recently: the 1-year correlation (0.33) runs below the 3-year figure (0.46). The 5-year figure is 0.38, and annualized covariance runs at 446.4 %².
Within CRH's tracked universe of 40 assets, SUPN comes in at #27 by 3-year correlation. Over the last 12 months SUPN came out ahead by 12.6 percentage points (-14.6% against -2.0%).
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.
CRH vs SUPN: side by side
| CRH (CRH plc) | SUPN (Supernus Pharmaceuticals, Inc.) | |
|---|---|---|
| 1-year return | -14.6% | -2.0% |
| 5-year return | +104.1% | +67.3% |
| Volatility (ann.) | 29.7% | 32.5% |
| Beta vs S&P 500 | 1.26 | 0.69 |
| Max drawdown (3Y) | -28.4% | -30.1% |
| Market cap | $63.6B | $2.6B |
| P/E (trailing) | 17.2 | – |
| Dividend yield | 1.57% | 0.00% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | CRH | SUPN |
|---|---|---|
| 2022 | -20.5% | +22.3% |
| 2023 | +81.3% | -18.9% |
| 2024 | +35.9% | +24.9% |
| 2025 | +35.9% | +37.4% |
| 2026 | -22.6% | -11.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CRH and SUPN good diversifiers for each other?
Reasonably. At 0.46, CRH and SUPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CRH and SUPN?
As of 2026-08-27, the correlation of weekly returns between CRH and SUPN is 0.46 over 3 years, 0.33 over 1 year and 0.38 over 5 years.
Is SUPN a good diversifier for CRH?
Reasonably. At 0.46, CRH and SUPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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.
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Related comparisons
Hubs: CRH correlations · SUPN correlations