Correlation Analysis
Airbnb, Inc. Class A Common Stock vs BERKSHIRE HATHAWAY Class B
ABNB vs BRK.B
-0.103
Weak inverse
When one moves up, the other tends to move down.
Airbnb, Inc. Class A Common Stock
↗ABNB
Airbnb is the world's largest online alternative accommodation travel agency; it also offers booking services for boutique hotels, experiences, and hotel-like services. Airbnb's platform offers over 9 million active accommodation listings. Listings from the company's 5 million-plus hosts are spread over almost every country in the world. In 2025, 42% of revenue was from North America, 39% from Europe, the Middle East, and Africa, 10% from Latin America, and 9% from Asia-Pacific. Transaction fees for online bookings account for all its revenue.
Market cap 76B · 8,200 employees
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
Time Series
Relative Performance
Who Moves First
ABNB leads BRK.B by 3 days
ABNB tends to move before BRK.B.
After testing 13 timing shifts, the strongest relationship was -0.105 (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
-0.171
11 periods · Return correlation when both series rose
Both Falling
+0.769
7 periods · Return correlation when both series fell
Diverging
-0.531
17 periods · Return correlation when series moved apart
R-Squared
1.1%
Share of variance in one series explained by the other.
Trend Agreement
58.7%
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: [-0.158, -0.048]
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
Airbnb, Inc. Class A Common Stock
ABNB
Market cap 76B · 8,200 employees
Stock · 1,254 raw → 1,254 prepared
Series B
BERKSHIRE HATHAWAY Class B
BRK.B
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
-0.4107
Linear regression slope.
Intercept
434.7271
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
ABNB
Airbnb, Inc. Class A Common Stock
Highest
+0.122
NetFlix Inc
NFLX · 1,254 data points
Lowest
-0.459
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 7 hours ago · ID: stock-abnb-vs-stock-brk-b-daily