Correlation Analysis
Costco Wholesale Corp vs Expeditors International of Washington, Inc.
COST vs EXPD
+0.407
Moderate positive
When one moves up, the other tends to follow.
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
Expeditors International of Washington, Inc.
↗EXPD
Based in the US, Expeditors International of Washington is a non-asset-based third-party logistics provider, mainly focused on international freight forwarding. Its offers freight consolidation and forwarding, customs brokerage, warehousing and distribution, purchase order management, vendor consolidation, and numerous other value-added logistics services. It employs sophisticated IT systems and contracts with airlines and ocean carriers to move customers' freight across the globe. The firm operates more than 200 full-service office locations worldwide, in addition to numerous satellite locations. Expeditors derives around 35% of consolidated gross revenue from airfreight, 30% from ocean freight, and 36% from customs brokerage and other services.
Market cap 19.3B · 19,800 employees
Time Series
Relative Performance
Who Moves First
in sync
COST and EXPD tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.407 (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
+0.055
15 periods · Return correlation when both series rose
Both Falling
-0.099
8 periods · Return correlation when both series fell
Diverging
-0.693
12 periods · Return correlation when series moved apart
R-Squared
16.6%
Share of variance in one series explained by the other.
Trend Agreement
62.6%
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: [0.360, 0.453]
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
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
Expeditors International of Washington, Inc.
EXPD
Market cap 19.3B · 19,800 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
0.0249
Linear regression slope.
Intercept
101.2566
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
COST
Costco Wholesale Corp
Highest
+0.977
Republic Services Inc.
RSG · 1,254 data points
Lowest
-0.912
Fiserv, Inc. Common Stock
FISV · 644 data points
EXPD
Expeditors International of Washington, Inc.
Highest
+0.755
Micron Technology, Inc.
MU · 1,254 data points
Lowest
+0.272
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 5 hours ago · ID: stock-cost-vs-stock-expd-daily