BTU vs SXC: Correlation
How closely do Peabody Energy Corporation (BTU) and SunCoke Energy, Inc. (SXC) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BTU and SXC?
On 3 years of weekly data the BTU/SXC correlation comes out at 0.43, moderate. The relationship has been stable: the 1-year correlation (0.35) sits close to the 3-year figure. The 5-year figure is 0.56, and annualized covariance runs at 924.9 %².
Among the 10 assets we track against BTU, SXC ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BTU outperformed by 31.7 percentage points (+77.6% for BTU 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.
BTU vs SXC: side by side
| BTU (Peabody Energy Corporation) | SXC (SunCoke Energy, Inc.) | |
|---|---|---|
| 1-year return | +77.6% | +45.9% |
| 5-year return | +95.9% | +84.8% |
| Volatility (ann.) | 52.8% | 40.5% |
| Beta vs S&P 500 | 0.73 | 0.74 |
| Max drawdown (3Y) | -65.1% | -52.0% |
| Market cap | $3.6B | $0.9B |
| P/E (trailing) | – | – |
| Dividend yield | 1.10% | 4.89% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BTU | SXC |
|---|---|---|
| 2022 | +162.4% | +35.9% |
| 2023 | -7.0% | +29.8% |
| 2024 | -12.8% | +4.0% |
| 2025 | +44.2% | -28.6% |
| 2026 | -0.0% | +49.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BTU and SXC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BTU and SXC?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.35 over the last year and 0.56 over 5 years.
Is SXC a good diversifier for BTU?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 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/btu-vs-sxc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/btu-vs-sxc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BTU correlations · SXC correlations
