RGR vs SXC: Correlation
How closely do Sturm, Ruger & Company, Inc. (RGR) and SunCoke Energy, Inc. (SXC) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RGR and SXC?
On 3 years of weekly data the RGR/SXC correlation comes out at 0.37, moderate. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. The 5-year figure is 0.31, and annualized covariance runs at 439.4 %².
In RGR's tracked universe of 16 assets, SXC sits right near the top at #3. The last year tells two different stories: SXC led by 36.6 percentage points, +9.3% for RGR against +45.9% for SXC.
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.
RGR vs SXC: side by side
| RGR (Sturm, Ruger & Company, Inc.) | SXC (SunCoke Energy, Inc.) | |
|---|---|---|
| 1-year return | +9.3% | +45.9% |
| 5-year return | -41.2% | +84.8% |
| Volatility (ann.) | 29.8% | 40.5% |
| Beta vs S&P 500 | 0.09 | 0.74 |
| Max drawdown (3Y) | -46.0% | -52.0% |
| Market cap | $0.6B | $0.9B |
| P/E (trailing) | 51.7 | – |
| Dividend yield | 1.15% | 4.89% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RGR | SXC |
|---|---|---|
| 2022 | -15.4% | +35.9% |
| 2023 | -8.0% | +29.8% |
| 2024 | -20.9% | +4.0% |
| 2025 | -6.1% | -28.6% |
| 2026 | +16.9% | +49.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RGR and SXC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between RGR and SXC?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.36 over the last year and 0.31 over 5 years.
Is SXC a good diversifier for RGR?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
A reading of 0.37 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/rgr-vs-sxc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rgr-vs-sxc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RGR correlations · SXC correlations
