Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Carrier Global Corporation
BRK.B vs CARR
+0.768
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
Carrier Global Corporation
↗CARR
Carrier Global, spun out of United Technologies in 2020, manufactures and services commercial and residential HVAC systems and transportation refrigeration solutions under its flagship Carrier brand, as well as Bryant, Payne, Heil, and others across various price points. In 2024, Carrier acquired Viessmann Climate Solutions to expand its footprint in Europe with heat pumps, boilers, and solar PV equipment. Proceeds from the sale of Carrier's fire and security (Honeywell) and commercial refrigeration (Haier) businesses reduced debt and focused the company on global HVAC and refrigeration solutions. Carrier generates 75% of sales from equipment and 25% from parts and services. The company derives 50% of revenue from the US, 30% from Europe, and 20% from the Asia-Pacific region.
Market cap 46.4B · 47,000 employees
Time Series
Relative Performance
Who Moves First
CARR leads BRK.B by 6 days
CARR tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was +0.769 (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
-0.134
12 periods · Return correlation when both series rose
Both Falling
+0.178
7 periods · Return correlation when both series fell
Diverging
-0.638
16 periods · Return correlation when series moved apart
R-Squared
59.0%
Share of variance in one series explained by the other.
Trend Agreement
65.7%
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: [0.745, 0.790]
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
Carrier Global Corporation
CARR
Market cap 46.4B · 47,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.1021
Linear regression slope.
Intercept
16.0985
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
CARR
Carrier Global Corporation
Highest
+0.803
Costco Wholesale Corp
COST · 1,254 data points
Lowest
-0.125
Johnson & Johnson
JNJ · 1,254 data points
Saved 7 hours ago · ID: stock-brk-b-vs-stock-carr-daily