Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Verizon Communications
BRK.B vs VZ
-0.286
Light 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
Verizon Communications
↗VZ
Wireless services account for 75% of Verizon Communications' total service revenue and nearly all of its operating income. The firm serves about 94 million postpaid and 20 million prepaid phone customers via its nationwide network, making it the largest US wireless carrier. Fixed-line telecom operations include local networks in the Northeast that reach about 30 million homes and businesses, including about 20 million served by the Fios fiber-optic network. Verizon closed its acquisition of Frontier Communications in January, adding networks that reach another 15 million locations, including 9 million with fiber. These networks serve about 11 million broadband customers. Verizon also provides telecom services nationwide to enterprise customers, using a mix of its own and other networks.
Market cap 207.3B
Time Series
Relative Performance
Who Moves First
VZ leads BRK.B by 6 days
VZ tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was -0.302 (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
-0.168
15 periods · Return correlation when both series rose
Both Falling
-0.255
12 periods · Return correlation when both series fell
Diverging
-0.167
8 periods · Return correlation when series moved apart
R-Squared
8.2%
Share of variance in one series explained by the other.
Trend Agreement
60.4%
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: [-0.337, -0.235]
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
Verizon Communications
VZ
Market cap 207.3B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
-0.0229
Linear regression slope.
Intercept
52.4713
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-brk-b-vs-stock-vz-daily