Correlation Analysis
Booking Holdings Inc. Common Stock vs Costco Wholesale Corp
BKNG vs COST
+0.934
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
Costco Wholesale Corp
↗COST
Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 910 warehouses, serving more than 80 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (93% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.
Market cap 451.9B
Time Series
Relative Performance
Who Moves First
COST leads BKNG by 2 days
COST tends to move before BKNG.
After testing 13 timing shifts, the strongest relationship was +0.934 (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
+0.379
14 periods · Return correlation when both series rose
Both Falling
+0.359
6 periods · Return correlation when both series fell
Diverging
-0.841
15 periods · Return correlation when series moved apart
R-Squared
87.3%
Share of variance in one series explained by the other.
Trend Agreement
58.9%
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: [0.927, 0.941]
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
Costco Wholesale Corp
COST
Market cap 451.9B
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
4.0726
Linear regression slope.
Intercept
131.2495
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 6 hours ago · ID: stock-bkng-vs-stock-cost-daily