Correlation Analysis
BERKSHIRE HATHAWAY Class B vs The Walt Disney Company
BRK.B vs DIS
-0.382
Light inverse
When one moves up, the other tends to move down.
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 Walt Disney Company
↗DIS
Disney operates in three global business segments: entertainment, sports, and experiences. Entertainment and experiences both benefit from the firm's ownership of iconic franchises and characters. Entertainment includes the ABC broadcast network, several cable television networks, and the Disney+ and Hulu streaming services. Within the segment, Disney also engages in movie and television production and distribution, with content licensed to movie theaters, other content providers, or, increasingly, kept in-house for use on Disney's own streaming platform and television networks. The sports segment houses the ESPN family of TV networks and streaming services. Experiences contains Disney's theme parks, cruises, and vacation destinations and also engages in merchandise licensing.
Market cap 170.6B
Time Series
Relative Performance
Who Moves First
DIS leads BRK.B by 6 days
DIS tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was -0.386 (they moved in opposite directions).
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
-0.338
5 periods · Return correlation when both series rose
Both Falling
+0.296
8 periods · Return correlation when both series fell
Diverging
-0.476
22 periods · Return correlation when series moved apart
R-Squared
14.6%
Share of variance in one series explained by the other.
Trend Agreement
66.8%
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: [-0.429, -0.334]
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 Walt Disney Company
DIS
Market cap 170.6B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
-0.1281
Linear regression slope.
Intercept
163.4071
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-brk-b-vs-stock-dis-daily