Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Motorola Solutions, Inc. New
BRK.B vs MSI
+0.933
Very 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
Motorola Solutions, Inc. New
↗MSI
Motorola Solutions is a leading provider of communications and analytics, primarily serving public safety departments as well as schools, hospitals, and businesses. The bulk of the firm's revenue comes from sales of land mobile radios and radio network infrastructure, but the firm also sells surveillance equipment, dispatch software, and other networking capabilities. Most of Motorola's revenue comes from government agencies, while roughly 25% comes from schools and private businesses. Motorola has customers in over 100 countries and in every state in the United States.
Market cap 73.4B · 23,000 employees
Time Series
Relative Performance
Who Moves First
in sync
BRK.B and MSI tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.933 (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
-0.233
16 periods · Return correlation when both series rose
Both Falling
-0.726
5 periods · Return correlation when both series fell
Diverging
-0.602
14 periods · Return correlation when series moved apart
R-Squared
87.0%
Share of variance in one series explained by the other.
Trend Agreement
64.9%
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: [0.925, 0.940]
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
Motorola Solutions, Inc. New
MSI
Market cap 73.4B · 23,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
61
Estimated crossover points between normalized spreads.
Slope
1.0090
Linear regression slope.
Intercept
-57.6253
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
MSI
Motorola Solutions, Inc. New
Highest
+0.956
Costco Wholesale Corp
COST · 1,254 data points
Lowest
+0.112
Johnson & Johnson
JNJ · 1,254 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-msi-daily