Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Verisk Analytics, Inc. Common Stock
BRK.B vs VRSK
+0.754
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
Verisk Analytics, Inc. Common Stock
↗VRSK
Verisk is a leading data, analytics, and technology provider for property-casualty insurers. Verisk traces its history to Insurance Services Office, a nonprofit advisory organization founded in 1971 by US P&C insurers. ISO was formed as an association of insurance companies to assist with a variety of insurance use cases, such as reporting to regulators, defining policies, and determining independent premium rates. As the firm expanded its use cases, it became a for-profit company, renamed Verisk, and went public in 2009. Verisk's single segment (insurance) provides underwriting solutions, including forms, rules, loss costs, and catastrophe modeling. For claims, Verisk's solutions include property repair estimates and antifraud tools. About 83% of Verisk's revenue is US-based.
Market cap 24.2B · 8,000 employees
Time Series
Relative Performance
Who Moves First
VRSK leads BRK.B by 6 days
VRSK tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was +0.765 (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
+0.347
13 periods · Return correlation when both series rose
Both Falling
+0.241
5 periods · Return correlation when both series fell
Diverging
-0.666
17 periods · Return correlation when series moved apart
R-Squared
56.9%
Share of variance in one series explained by the other.
Trend Agreement
65.5%
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: [0.729, 0.777]
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
Verisk Analytics, Inc. Common Stock
VRSK
Market cap 24.2B · 8,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.3636
Linear regression slope.
Intercept
88.4474
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
VRSK
Verisk Analytics, Inc. Common Stock
Highest
+0.779
Costco Wholesale Corp
COST · 1,254 data points
Lowest
-0.354
Johnson & Johnson
JNJ · 1,254 data points
Saved 6 hours ago · ID: stock-brk-b-vs-stock-vrsk-daily