Correlation Analysis
BERKSHIRE HATHAWAY Class B vs The Sherwin-Williams Company
BRK.B vs SHW
+0.781
Strong 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
The Sherwin-Williams Company
↗SHW
Sherwin-Williams is the largest provider of architectural paint in the United States. The company has over 4,800 stores and sells premium paint at higher price points than most competitors. Sherwin-Williams also sells paint-related products in big-box stores and provides coatings for original equipment manufacturers.
Market cap 78.3B · 64,249 employees
Time Series
Relative Performance
Who Moves First
in sync
BRK.B and SHW tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.781 (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
-0.179
16 periods · Return correlation when both series rose
Both Falling
+0.546
11 periods · Return correlation when both series fell
Diverging
-0.548
8 periods · Return correlation when series moved apart
R-Squared
61.0%
Share of variance in one series explained by the other.
Trend Agreement
64.8%
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: [0.759, 0.802]
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
The Sherwin-Williams Company
SHW
Market cap 78.3B · 64,249 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
53
Estimated crossover points between normalized spreads.
Slope
0.4536
Linear regression slope.
Intercept
126.6887
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
SHW
The Sherwin-Williams Company
Highest
+0.862
Amazon.Com Inc
AMZN · 1,254 data points
Lowest
+0.117
Johnson & Johnson
JNJ · 1,254 data points
Saved 9 hours ago · ID: stock-brk-b-vs-stock-shw-daily