Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Ubiquiti Inc. Common Stock
BRK.B vs UI
+0.468
Moderate 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
Ubiquiti Inc. Common Stock
↗UI
Ubiquiti Inc is a seller of equipment and provides the related software platforms through web stores. The group develops technology platforms for high-capacity distributed Internet access, unified information technology, and consumer electronics for professional, home, and personal use. Its solutions are: high-performance networking technology for enterprises, service providers, and consumers. target the enterprise and service provider markets through a community of service providers, distributors, value-added resellers, webstores, systems integrators, and corporate IT professionals, which it refers to as the Ubiquiti Community. It targets consumers through digital marketing, including through webstores, retail chains, and, to a lesser extent, the Ubiquiti Community.
Market cap 50.8B · 1,187 employees
Time Series
Relative Performance
Who Moves First
BRK.B leads UI by 6 days
BRK.B tends to move before UI.
After testing 13 timing shifts, the strongest relationship was +0.479 (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
-0.344
13 periods · Return correlation when both series rose
Both Falling
N/A
3 periods · Return correlation when both series fell
Diverging
-0.591
19 periods · Return correlation when series moved apart
R-Squared
21.9%
Share of variance in one series explained by the other.
Trend Agreement
58.1%
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: [0.424, 0.511]
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
Ubiquiti Inc. Common Stock
UI
Market cap 50.8B · 1,187 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
32
Estimated crossover points between normalized spreads.
Slope
0.8727
Linear regression slope.
Intercept
-26.0428
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-brk-b-vs-stock-ui-daily