Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Fair Isaac Corporation
BRK.B vs FICO
+0.923
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
Fair Isaac Corporation
↗FICO
Founded in 1956, Fair Isaac Corporation is a leading applied analytics company. Fair Isaac is primarily known for its FICO credit scores, which is a widely used industry benchmark to determine the creditworthiness of an individual consumer. The firm's US-centric credit scores business accounts for most of the firm's revenue and profits and consists of business-to-business and business-to-consumer services. In addition to scores, Fair Isaac also sells software primarily to financial institutions for areas such as analytics, decision-making, customer workflows, and fraud.
Market cap 26B · 3,762 employees
Time Series
Relative Performance
Who Moves First
FICO leads BRK.B by 6 days
FICO tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was +0.927 (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
+0.287
13 periods · Return correlation when both series rose
Both Falling
+0.024
6 periods · Return correlation when both series fell
Diverging
-0.524
16 periods · Return correlation when series moved apart
R-Squared
85.2%
Share of variance in one series explained by the other.
Trend Agreement
59.7%
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: [0.914, 0.931]
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
Fair Isaac Corporation
FICO
Market cap 26B · 3,762 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
4
Estimated crossover points between normalized spreads.
Slope
6.3522
Linear regression slope.
Intercept
-1347.6872
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-brk-b-vs-stock-fico-daily