Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Circle Internet Group, Inc.
BRK.B vs CRCL
-0.525
Moderate 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
Circle Internet Group, Inc.
↗CRCL
Circle Internet Group Inc is a financial technology firm engaged in digital currencies and public blockchains for payments, commerce, and financial applications. The company's platform is a full-stack, internet financial platform business, organized around three pillars: Arc Blockchain and Developer Infrastructure, Circle Digital Assets and Services, and Circle Applications.
Market cap 22.8B · 1,100 employees
Time Series
Relative Performance
Who Moves First
CRCL leads BRK.B by 6 days
CRCL tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was -0.571 (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
N/A
4 periods · Return correlation when both series rose
Both Falling
+0.323
11 periods · Return correlation when both series fell
Diverging
-0.635
20 periods · Return correlation when series moved apart
R-Squared
27.5%
Share of variance in one series explained by the other.
Trend Agreement
52.9%
How often both series moved in the same direction period-to-period.
Overlap Quality
210
Usable shared window — 210 usable pairs.
Significance
p < 0.001
95% CI: [-0.616, -0.419]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
210 paired data points survived the daily window.
Raw input
1,254
210
Normalized
1,254
210
Prepared
1,254
210
Aligned
210
210
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,044
A: 1044 / B: 0
Series A
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
Circle Internet Group, Inc.
CRCL
Market cap 22.8B · 1,100 employees
Stock · 210 raw → 210 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
10
Estimated crossover points between normalized spreads.
Slope
-2.1372
Linear regression slope.
Intercept
1167.4733
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
CRCL
Circle Internet Group, Inc.
Highest
+0.767
NetFlix Inc
NFLX · 210 data points
Lowest
-0.761
Eli Lilly & Co.
LLY · 210 data points
Saved 7 hours ago · ID: stock-brk-b-vs-stock-crcl-daily