Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Cencora, Inc.
BRK.B vs COR
+0.905
Very 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
Cencora, Inc.
↗COR
Cencora is one of three leading domestic pharmaceutical wholesalers. It sources and distributes branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospital networks, and healthcare providers. It and McKesson and Cardinal Health hold over 90% share of the US pharmaceutical wholesale industry. Cencora also provides commercialization services for manufacturers of pharmaceuticals and medical devices, global specialty drug logistics (World Courier), and animal health product distribution (MWI Animal Health). Cencora expanded its international presence in 2021 by purchasing Alliance Healthcare, one of the leading drug wholesalers in Europe.
Market cap 62.4B · 51,000 employees
Time Series
Relative Performance
Who Moves First
BRK.B leads COR by 3 days
BRK.B tends to move before COR.
After testing 13 timing shifts, the strongest relationship was +0.906 (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
-0.037
18 periods · Return correlation when both series rose
Both Falling
-0.477
6 periods · Return correlation when both series fell
Diverging
-0.618
11 periods · Return correlation when series moved apart
R-Squared
82.0%
Share of variance in one series explained by the other.
Trend Agreement
56.6%
How often both series moved in the same direction period-to-period.
Overlap Quality
834
Deep shared window — 834 usable pairs.
Significance
p < 0.001
95% CI: [0.892, 0.917]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
834 paired data points survived the daily window.
Raw input
1,254
834
Normalized
1,254
834
Prepared
1,254
834
Aligned
834
834
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
420
A: 420 / B: 0
Series A
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Series B
Cencora, Inc.
COR
Market cap 62.4B · 51,000 employees
Stock · 834 raw → 834 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
26
Estimated crossover points between normalized spreads.
Slope
0.7329
Linear regression slope.
Intercept
-66.6727
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-brk-b-vs-stock-cor-daily