Correlation Analysis
Costco Wholesale Corp vs IQVIA Holdings Inc.
COST vs IQV
-0.467
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
IQVIA Holdings Inc.
↗IQV
Iqvia is a global leader in clinical research and technology solutions for the life science industry. Formed in 2016 from the merger of Quintiles and IMS Health, it combined clinical trial services with extensive healthcare data and analytics. Its reserach and development solutions segment provides outsourced clinical development services spanning drug discovery, trial design, patient recruitment, site management, clinical testing, real-world studies, and the regulatory approval process. Its commercial solutions segment helps companies optimize product commercialization through analytics, technology, and outsourced sales and medical services. Together, Iqvia supports customers across the life science industry, and it serves biopharmaceutical firms, providers, payers, and policymakers.
Market cap 28.7B · 93,000 employees
Time Series
Relative Performance
Who Moves First
COST leads IQV by 6 days
COST tends to move before IQV.
After testing 13 timing shifts, the strongest relationship was -0.484 (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
+0.190
15 periods · Return correlation when both series rose
Both Falling
+0.302
8 periods · Return correlation when both series fell
Diverging
-0.832
12 periods · Return correlation when series moved apart
R-Squared
21.8%
Share of variance in one series explained by the other.
Trend Agreement
62.5%
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: [-0.509, -0.423]
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
IQVIA Holdings Inc.
IQV
Market cap 28.7B · 93,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
-0.0614
Linear regression slope.
Intercept
257.0754
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-cost-vs-stock-iqv-daily