Correlation Analysis
Booking Holdings Inc. Common Stock vs BERKSHIRE HATHAWAY Class B
BKNG vs BRK.B
+0.948
Very strong positive
When one moves up, the other tends to follow.
Booking Holdings Inc. Common Stock
↗BKNG
Booking is the world's largest online travel agency by sales, offering booking and payment services for hotel and alternative accommodation rooms, airlines, rental cars, restaurants, cruises, experiences, and other vacation packages. The company operates several branded travel booking sites, including Booking.com, Agoda, OpenTable, Rentalcars.com, and Kayak. Transaction fees for online bookings account for the bulk of revenue and profits.
Market cap 139.5B · 24,300 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
in sync
BKNG and BRK.B tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.948 (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
-0.405
12 periods · Return correlation when both series rose
Both Falling
-0.202
5 periods · Return correlation when both series fell
Diverging
-0.476
18 periods · Return correlation when series moved apart
R-Squared
89.9%
Share of variance in one series explained by the other.
Trend Agreement
63.1%
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: [0.942, 0.953]
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
Booking Holdings Inc. Common Stock
BKNG
Market cap 139.5B · 24,300 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
17
Estimated crossover points between normalized spreads.
Slope
1.6260
Linear regression slope.
Intercept
159.4338
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
BKNG
Booking Holdings Inc. Common Stock
Highest
+0.979
Mastercard Incorporated
MA · 1,254 data points
Lowest
+0.122
Johnson & Johnson
JNJ · 1,254 data points
Saved 7 hours ago · ID: stock-bkng-vs-stock-brk-b-daily