Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Altria Group, Inc.
BRK.B vs MO
+0.708
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
Altria Group, Inc.
↗MO
Altria comprises Philip Morris USA, U.S. Smokeless Tobacco, John Middleton, Horizon Innovations, and Helix Innovations. Through its tobacco subsidiaries, Altria maintains the leading position in cigarettes and smokeless tobacco in the United States and the number-two spot in machine-made cigars. The company's Marlboro brand is the leading cigarette brand in the US with 40% share in 2024. Beyond its core business, it holds an 8% interest in the world's largest brewer, Anheuser-Busch InBev, and a 41% stake in cannabis manufacturer Cronos. In reduced-risk products, it acquired vaping company Njoy Holdings in 2023, operates a joint venture with Japan Tobacco in the heated tobacco category for the US, and sells the On brand in nicotine pouches.
Market cap 111.2B · 5,900 employees
Time Series
Relative Performance
Who Moves First
BRK.B leads MO by 6 days
BRK.B tends to move before MO.
After testing 13 timing shifts, the strongest relationship was +0.718 (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
-0.158
17 periods · Return correlation when both series rose
Both Falling
+0.029
8 periods · Return correlation when both series fell
Diverging
-0.427
10 periods · Return correlation when series moved apart
R-Squared
50.1%
Share of variance in one series explained by the other.
Trend Agreement
63.7%
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: [0.679, 0.735]
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
Altria Group, Inc.
MO
Market cap 111.2B · 5,900 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0611
Linear regression slope.
Intercept
26.9773
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-brk-b-vs-stock-mo-daily