Correlation Analysis
Costco Wholesale Corp vs Cognizant Technology Solutions
COST vs CTSH
+0.265
Light 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
Cognizant Technology Solutions
↗CTSH
Cognizant Technology Solutions is a multinational IT services provider that offers a range of consulting and business process outsourcing services. Originally founded in India, the company is headquartered in the US and serves enterprise customers spanning the financial services, healthcare, and resources industries. With most of its workforce located in India, Cognizant leverages a global delivery model that helps clients outsource their IT needs to offshore labor.
Market cap 29.8B · 351,600 employees
Time Series
Relative Performance
Who Moves First
CTSH leads COST by 6 days
CTSH tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.272 (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
+0.393
15 periods · Return correlation when both series rose
Both Falling
+0.868
9 periods · Return correlation when both series fell
Diverging
-0.821
11 periods · Return correlation when series moved apart
R-Squared
7.0%
Share of variance in one series explained by the other.
Trend Agreement
62.7%
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: [0.213, 0.316]
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
Cognizant Technology Solutions
CTSH
Market cap 29.8B · 351,600 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
0.0102
Linear regression slope.
Intercept
65.6597
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
CTSH
Cognizant Technology Solutions
Highest
+0.338
NetFlix Inc
NFLX · 1,254 data points
Lowest
-0.295
Exxon Mobil Corporation
XOM · 1,254 data points
Saved 7 hours ago · ID: stock-cost-vs-stock-ctsh-daily