Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Goldman Sachs Group Inc.
BRK.B vs GS
+0.828
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
Goldman Sachs Group Inc.
↗GS
Goldman Sachs is a storied financial institution, founded in 1869 and best known for its role as a leading global investment bank. The firm has a sprawling reach across global financial centers and has been the leading provider of global merger and acquisition advisory services, by revenue, for the past 20 years. Since the global financial crisis, Goldman has expanded its offerings into more stable fee-based businesses like asset and wealth management, which comprised roughly 30% of post-provision revenue at the end of 2025. The bank holding company generates revenue from investment banking, global market making and trading, lending, asset management, wealth management, and a small and declining portfolio of consumer credit card loans.
Market cap 255.5B · 47,400 employees
Time Series
Relative Performance
Who Moves First
in sync
BRK.B and GS tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.828 (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
-0.002
17 periods · Return correlation when both series rose
Both Falling
-0.525
5 periods · Return correlation when both series fell
Diverging
-0.628
13 periods · Return correlation when series moved apart
R-Squared
68.5%
Share of variance in one series explained by the other.
Trend Agreement
71.3%
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: [0.809, 0.844]
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
Goldman Sachs Group Inc.
GS
Market cap 255.5B · 47,400 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
19
Estimated crossover points between normalized spreads.
Slope
1.7230
Linear regression slope.
Intercept
-185.5956
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-brk-b-vs-stock-gs-daily