Correlation Analysis
Costco Wholesale Corp vs W.P. Carey Inc. (REIT)
COST vs WPC
-0.646
Moderate inverse
When one moves up, the other tends to move down.
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
W.P. Carey Inc. (REIT)
↗WPC
W.P. Carey Inc is a real estate investment trust principally involved in the ownership of properties located in the U.S., Western Europe, and Northern Europe. W.P. Carey organizes its operations into Real Estate and Investment Management segments. The vast majority of the company's income is derived from its Real Estate division in the form of lease revenue from long-term agreements with companies. W.P. Carey's real estate portfolio is comprised of single-tenant office, industrial, warehouse, and retail facilities located around the world. majority of the company's revenue comes from properties in the USA. Its Investment Management unit generates revenue from providing real estate advisory and portfolio management services to other REITs.
Market cap 15.3B · 199 employees
Time Series
Relative Performance
Who Moves First
WPC leads COST by 6 days
WPC tends to move before COST.
After testing 13 timing shifts, the strongest relationship was -0.663 (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
+0.366
16 periods · Return correlation when both series rose
Both Falling
-0.481
9 periods · Return correlation when both series fell
Diverging
-0.548
10 periods · Return correlation when series moved apart
R-Squared
41.7%
Share of variance in one series explained by the other.
Trend Agreement
59.2%
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: [-0.677, -0.613]
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
W.P. Carey Inc. (REIT)
WPC
Market cap 15.3B · 199 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
-0.0291
Linear regression slope.
Intercept
88.9674
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-cost-vs-stock-wpc-daily