Correlation Analysis
BERKSHIRE HATHAWAY Class B vs Truist Financial Corporation
BRK.B vs TFC
-0.271
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
Truist Financial Corporation
↗TFC
Truist Financial is one of the three super-regional banks in the US, with around $565 billion in assets as of the fourth quarter of 2025. Truist emerged from the combination of BB&T and SunTrust in 2019. Based in Charlotte, North Carolina, the bank's footprint is largely in the Mid-Atlantic and Southeast. Apart from retail and commercial banking operations, the bank also offers online and point-of-sale consumer lending, cards, wealth management, investment banking, and other banking services.
Market cap 59.1B · 38,711 employees
Time Series
Relative Performance
Who Moves First
TFC leads BRK.B by 6 days
TFC tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was -0.281 (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
-0.239
14 periods · Return correlation when both series rose
Both Falling
-0.331
9 periods · Return correlation when both series fell
Diverging
-0.578
12 periods · Return correlation when series moved apart
R-Squared
7.4%
Share of variance in one series explained by the other.
Trend Agreement
72.6%
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: [-0.322, -0.219]
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
Truist Financial Corporation
TFC
Market cap 59.1B · 38,711 employees
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
-0.0304
Linear regression slope.
Intercept
56.5625
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-brk-b-vs-stock-tfc-daily