Correlation Analysis
BERKSHIRE HATHAWAY Class B vs CoreWeave, Inc. Class A Common Stock
BRK.B vs CRWV
-0.589
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
CoreWeave, Inc. Class A Common Stock
↗CRWV
CoreWeave Inc is a modern cloud infrastructure technology company that offers the CoreWeave Cloud Platform, which consists of proprietary software and cloud services that deliver the automation and efficiency needed to manage complex AI infrastructure at scale. Its platform supports the development and use of ground-breaking models and the delivery of the next generation of AI applications that are changing the way of living and working across the globe.
Market cap 42.5B · 2,189 employees
Time Series
Relative Performance
Who Moves First
CRWV leads BRK.B by 2 days
CRWV tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was -0.606 (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
-0.146
7 periods · Return correlation when both series rose
Both Falling
+0.311
5 periods · Return correlation when both series fell
Diverging
-0.610
23 periods · Return correlation when series moved apart
R-Squared
34.7%
Share of variance in one series explained by the other.
Trend Agreement
43.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
257
Robust shared window — 257 usable pairs.
Significance
p < 0.001
95% CI: [-0.664, -0.503]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
257 paired data points survived the daily window.
Raw input
1,254
257
Normalized
1,254
257
Prepared
1,254
257
Aligned
257
257
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
997
A: 997 / B: 0
Series A
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
CoreWeave, Inc. Class A Common Stock
CRWV
Market cap 42.5B · 2,189 employees
Stock · 257 raw → 257 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
15
Estimated crossover points between normalized spreads.
Slope
-1.2869
Linear regression slope.
Intercept
736.2756
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
CRWV
CoreWeave, Inc. Class A Common Stock
Highest
+0.579
NetFlix Inc
NFLX · 257 data points
Lowest
-0.343
Eli Lilly & Co.
LLY · 257 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-crwv-daily