Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Hubbell Incorporated
BRK.B vs HUBB
+0.905
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
Hubbell Incorporated
↗HUBB
Founded in 1888 by Harvey Hubbell, the eponymous company was the conduit through which the pull-chain lamp socket was originally sold. Hubbell has since grown into an electricity transmission and distribution behemoth, housing more than 75 brands that sell components found on power lines, in electrical substations, and in commercial and industrial buildings. The company's primary operations are in the United States, where around 90% of revenue is derived.
Market cap 26.5B · 18,000 employees
Time Series
Relative Performance
Who Moves First
in sync
BRK.B and HUBB tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.905 (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
+0.024
15 periods · Return correlation when both series rose
Both Falling
+0.762
6 periods · Return correlation when both series fell
Diverging
-0.548
14 periods · Return correlation when series moved apart
R-Squared
82.0%
Share of variance in one series explained by the other.
Trend Agreement
65.5%
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: [0.895, 0.915]
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
Hubbell Incorporated
HUBB
Market cap 26.5B · 18,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
41
Estimated crossover points between normalized spreads.
Slope
1.0930
Linear regression slope.
Intercept
-101.4131
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 9 hours ago · ID: stock-brk-b-vs-stock-hubb-daily