Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Coterra Energy Inc.
BRK.B vs CTRA
+0.056
Weak positive
When one moves up, the other tends to follow.
BERKSHIRE HATHAWAY Class B
↗BRK.B
Berkshire Hathaway is a holding company with a wide array of subsidiaries engaged in diverse activities. The firm's core business segment is insurance, run primarily through Geico, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. Berkshire has used the excess cash thrown off from its operations to acquire Burlington Northern Santa Fe (railroad), Berkshire Hathaway Energy (utilities and energy distributors), and the companies that make up its manufacturing, service, and retailing operations (which include Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR). The conglomerate is unique in that it is run on a completely decentralized basis. Berkshire is expected to generate close to $375 billion in revenue in 2025.
Market cap 1T
Coterra Energy Inc.
↗CTRA
Coterra Energy Inc is an independent oil and gas company engaged in the development, exploration, and production of oil, natural gas, and natural gas liquids (NGLs). Its operations are mainly concentrated in areas with hydrocarbon resources, which are conducive to multi-well, repeatable development programs, and include the Permian Basin located in Texas and New Mexico, the Marcellus Shale in northeast Pennsylvania, and the Anadarko Basin located in the mid-continent region in Oklahoma. The company operates in one segment, oil and natural gas development, exploration, and production, in the continental U.S.
Market cap 26.3B · 1,075 employees
Time Series
Relative Performance
Who Moves First
in sync
BRK.B and CTRA tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.056 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
-0.104
11 periods · Return correlation when both series rose
Both Falling
+0.530
6 periods · Return correlation when both series fell
Diverging
-0.712
18 periods · Return correlation when series moved apart
R-Squared
0.3%
Share of variance in one series explained by the other.
Trend Agreement
58.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,131
Deep shared window — 1,131 usable pairs.
Significance
n.s.
95% CI: [-0.003, 0.114]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,131 paired data points survived the daily window.
Raw input
1,254
1,131
Normalized
1,254
1,131
Prepared
1,254
1,131
Aligned
1,131
1,131
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
123
A: 123 / B: 0
Series A
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
Coterra Energy Inc.
CTRA
Market cap 26.3B · 1,075 employees
Stock · 1,131 raw → 1,131 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0019
Linear regression slope.
Intercept
25.3560
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-brk-b-vs-stock-ctra-daily