Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Tenet Healthcare Corporation New
BRK.B vs THC
+0.900
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
Tenet Healthcare Corporation New
↗THC
Tenet Healthcare is a Dallas-based healthcare services organization. It operates acute and specialty hospitals (50 as of December 2025) and hundreds of ambulatory surgery centers and other outpatient facilities across the US, primarily in the South. Through its Conifer segment, Tenet also provides revenue cycle management solutions.
Market cap 16.5B · 99,000 employees
Time Series
Relative Performance
Who Moves First
BRK.B leads THC by 6 days
BRK.B tends to move before THC.
After testing 13 timing shifts, the strongest relationship was +0.901 (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
-0.403
16 periods · Return correlation when both series rose
Both Falling
-0.713
5 periods · Return correlation when both series fell
Diverging
-0.664
14 periods · Return correlation when series moved apart
R-Squared
80.9%
Share of variance in one series explained by the other.
Trend Agreement
64.7%
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: [0.889, 0.910]
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
Tenet Healthcare Corporation New
THC
Market cap 16.5B · 99,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
17
Estimated crossover points between normalized spreads.
Slope
0.5515
Linear regression slope.
Intercept
-103.2302
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
THC
Tenet Healthcare Corporation New
Highest
+0.964
Nvidia Corp
NVDA · 1,254 data points
Lowest
+0.454
Johnson & Johnson
JNJ · 1,254 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-thc-daily