Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Citizens Financial Group, Inc.
BRK.B vs CFG
+0.333
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
Citizens Financial Group, Inc.
↗CFG
Citizens Financial Group Inc is a bank holding company headquartered in Providence, Rhode Island. Through its subsidiaries, it offers various retail and commercial banking products and services to individuals, small businesses, middle-market companies, large corporations, and institutions. The group's reportable business segments are: Consumer Banking and Commercial Banking. The majority of its revenue is generated from the Consumer Banking segment, which serves consumer customers and small businesses, offering traditional banking products and services, including deposits, mortgage and home equity lending, credit cards, small business loans, education loans, point-of-sale finance loans, and wealth management solutions, among others, through a network of branches and ATMs.
Market cap 26.1B · 17,398 employees
Time Series
Relative Performance
Who Moves First
BRK.B leads CFG by 6 days
BRK.B tends to move before CFG.
After testing 13 timing shifts, the strongest relationship was +0.333 (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
+0.001
15 periods · Return correlation when both series rose
Both Falling
-0.355
8 periods · Return correlation when both series fell
Diverging
-0.712
12 periods · Return correlation when series moved apart
R-Squared
11.1%
Share of variance in one series explained by the other.
Trend Agreement
69.5%
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: [0.283, 0.381]
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
Citizens Financial Group, Inc.
CFG
Market cap 26.1B · 17,398 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
0.0362
Linear regression slope.
Intercept
27.8388
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
CFG
Citizens Financial Group, Inc.
Highest
+0.674
Tesla, Inc. Common Stock
TSLA · 1,254 data points
Lowest
+0.019
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-cfg-daily