Correlation Analysis
BERKSHIRE HATHAWAY Class B vs CF Industries Holding, Inc.
BRK.B vs CF
+0.328
Light 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
CF Industries Holding, Inc.
↗CF
CF Industries is a leading producer and distributor of nitrogen, which is primarily used in fertilizers. The company operates nitrogen manufacturing plants primarily in North America. CF also produces nitrogen in the United Kingdom and holds a joint venture interest in a nitrogen production facility in Trinidad and Tobago. CF makes nitrogen primarily using low-cost US natural gas as its feedstock, making the company one of the lowest-cost nitrogen producers globally. It is also investing in carbon-free blue and green ammonia, which can be used as an alternative fuel to hydrogen or as a means to transport hydrogen.
Market cap 20.1B · 2,900 employees
Time Series
Relative Performance
Who Moves First
in sync
BRK.B and CF tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.328 (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
+0.271
11 periods · Return correlation when both series rose
Both Falling
-0.252
9 periods · Return correlation when both series fell
Diverging
-0.628
15 periods · Return correlation when series moved apart
R-Squared
10.7%
Share of variance in one series explained by the other.
Trend Agreement
57.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.277, 0.376]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
CF Industries Holding, Inc.
CF
Market cap 20.1B · 2,900 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0620
Linear regression slope.
Intercept
57.3274
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
BRK.B
BERKSHIRE HATHAWAY Class B
Highest
+0.968
Republic Services Inc.
RSG · 1,254 data points
Lowest
-0.918
United Parcel Service, Inc. Class B
UPS · 1,254 data points
CF
CF Industries Holding, Inc.
Highest
+0.653
Exxon Mobil Corporation
XOM · 1,254 data points
Lowest
+0.062
NetFlix Inc
NFLX · 1,254 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-cf-daily