Correlation Analysis
BERKSHIRE HATHAWAY Class B vs CME Group Inc.
BRK.B vs CME
+0.763
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
CME Group Inc.
↗CME
Based in Chicago, CME Group operates exchanges giving investors, suppliers, and businesses the ability to trade futures and derivatives based on interest rates, equity indexes, foreign currencies, energy, metals, and commodities. The Chicago Mercantile Exchange was founded in 1898 and in 2002 completed its IPO. Since then, CME Group has consolidated parts of the industry by merging with crosstown rival CBOT Holdings in 2007 before acquiring Nymex Holdings in 2008 and NEX in 2018. In addition, the company has a 27% stake in S&P Dow Jones Indexes, making the Chicago Mercantile Exchange the exclusive venue to trade and clear S&P futures contracts. Through CME's acquisition of NEX, it also expanded into cash foreign exchange, fixed-income trading, and collateral optimization.
Market cap 112B · 3,875 employees
Time Series
Relative Performance
Who Moves First
BRK.B leads CME by 6 days
BRK.B tends to move before CME.
After testing 13 timing shifts, the strongest relationship was +0.768 (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
-0.536
15 periods · Return correlation when both series rose
Both Falling
+0.535
6 periods · Return correlation when both series fell
Diverging
-0.537
14 periods · Return correlation when series moved apart
R-Squared
58.2%
Share of variance in one series explained by the other.
Trend Agreement
61.2%
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: [0.738, 0.785]
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
CME Group Inc.
CME
Market cap 112B · 3,875 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
23
Estimated crossover points between normalized spreads.
Slope
0.3120
Linear regression slope.
Intercept
104.0129
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 9 hours ago · ID: stock-brk-b-vs-stock-cme-daily