Correlation Analysis
BERKSHIRE HATHAWAY Class B vs GE HealthCare Technologies Inc. Common Stock
BRK.B vs GEHC
+0.211
Light 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
GE HealthCare Technologies Inc. Common Stock
↗GEHC
GE HealthCare Technologies is a leading medical technology firm with leading market share in imaging and ultrasound equipment. The company reports four major segments: imaging (45% of revenue), advanced visualization solutions (26%), patient care solutions (15%), and pharmaceutical diagnostics (14%). The company's sales are geographically diverse, with the United States, EMEA, China, and the rest of the world accounting for 46%, 26%, 11%, and 17% respectively. We estimate approximately half of its revenue is recurring, which consists of servicing (about one third of revenue), pharmaceutical diagnostics (about 10%-15%), and digital solutions (just over 5%).
Market cap 32.1B · 54,000 employees
Time Series
Relative Performance
Who Moves First
GEHC leads BRK.B by 6 days
GEHC tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was +0.228 (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
+0.079
11 periods · Return correlation when both series rose
Both Falling
-0.116
8 periods · Return correlation when both series fell
Diverging
-0.550
16 periods · Return correlation when series moved apart
R-Squared
4.5%
Share of variance in one series explained by the other.
Trend Agreement
61.2%
How often both series moved in the same direction period-to-period.
Overlap Quality
816
Deep shared window — 816 usable pairs.
Significance
p < 0.001
95% CI: [0.145, 0.276]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
816 paired data points survived the daily window.
Raw input
1,254
816
Normalized
1,254
816
Prepared
1,254
816
Aligned
816
816
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
438
A: 438 / B: 0
Series A
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
GE HealthCare Technologies Inc. Common Stock
GEHC
Market cap 32.1B · 54,000 employees
Stock · 816 raw → 816 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.0222
Linear regression slope.
Intercept
68.5752
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
GEHC
GE HealthCare Technologies Inc. Common Stock
Highest
+0.376
Eli Lilly & Co.
LLY · 816 data points
Lowest
-0.023
Johnson & Johnson
JNJ · 816 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-gehc-daily