PairBook
HomeBTU › BTU vs CNR

BTU vs CNR: Correlation

How closely do Peabody Energy Corporation (BTU) and Core Natural Resources, Inc. (CNR) trade together? Their weekly returns over three years give a correlation of 0.70, which is strong.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.70
strong
Correlation (1Y)
0.73
last 12 months
Correlation (5Y)
0.71
long-run
Ann. covariance
1633.8
%² · weekly, annualized

How correlated are BTU and CNR?

Across a 3-year window, the weekly returns of BTU and CNR correlate at 0.70, strong. Little has changed lately, as the 1-year reading of 0.73 lands near the 3-year figure. Stretching to 5 years gives 0.71, with an annualized covariance of 1633.8 %².

CNR is one of the assets that tracks BTU most closely: it ranks #1 out of the 10 assets we track against BTU. Correlation aside, the last 12 months split them widely, with BTU ahead by 37.3 points (+77.6% versus +40.3%).

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 CNR: side by side

BTU (Peabody Energy Corporation)CNR (Core Natural Resources, Inc.)
1-year return+77.6%+40.3%
5-year return+95.9%+395.6%
Volatility (ann.)52.8%43.9%
Beta vs S&P 5000.730.53
Max drawdown (3Y)-65.1%-52.1%
Market cap$3.6B$5.0B
P/E (trailing)49.3
Dividend yield1.10%0.41%
Sector / categoryUS ListedUS Listed
Higher yield: BTU 1.10% vs 0.41%Smaller drawdown: CNR -52.1% vs -65.1%Higher 5y return: CNR +395.6% vs +95.9%
-4%0%+108%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BTU · CNR

Year-by-year returns

YearBTUCNR
2022+162.4%+195.5%
2023-7.0%+60.7%
2024-12.8%+6.6%
2025+44.2%-16.6%
2026-0.0%+15.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BTU and CNR good diversifiers for each other?

To a limited degree. At 0.70 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between BTU and CNR?

Using weekly returns as of 2026-08-27: 0.70 over 3 years, with 0.73 over the last year and 0.71 over 5 years.

Is CNR a good diversifier for BTU?

To a limited degree. At 0.70 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.70 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/btu-vs-cnr.json

BTU vs CNR: 3-year weekly correlation 0.70BTU vs CNR0.70

Embed this badge (it refreshes with the data), with attribution:

[![BTU vs CNR correlation](https://www.pairbook.io/api/v1/badge/btu-vs-cnr.svg)](https://www.pairbook.io/pair/btu-vs-cnr/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: BTU correlations · CNR correlations