Correlation Analysis
Costco Wholesale Corp vs Ubiquiti Inc. Common Stock
COST vs UI
+0.472
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
Ubiquiti Inc. Common Stock
↗UI
Ubiquiti Inc is a seller of equipment and provides the related software platforms through web stores. The group develops technology platforms for high-capacity distributed Internet access, unified information technology, and consumer electronics for professional, home, and personal use. Its solutions are: high-performance networking technology for enterprises, service providers, and consumers. target the enterprise and service provider markets through a community of service providers, distributors, value-added resellers, webstores, systems integrators, and corporate IT professionals, which it refers to as the Ubiquiti Community. It targets consumers through digital marketing, including through webstores, retail chains, and, to a lesser extent, the Ubiquiti Community.
Market cap 50.8B · 1,187 employees
Time Series
Relative Performance
Who Moves First
COST leads UI by 6 days
COST tends to move before UI.
After testing 13 timing shifts, the strongest relationship was +0.478 (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
+0.109
19 periods · Return correlation when both series rose
Both Falling
+0.209
8 periods · Return correlation when both series fell
Diverging
-0.517
8 periods · Return correlation when series moved apart
R-Squared
22.3%
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: [0.428, 0.514]
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
Ubiquiti Inc. Common Stock
UI
Market cap 50.8B · 1,187 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
10
Estimated crossover points between normalized spreads.
Slope
0.3458
Linear regression slope.
Intercept
69.1682
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-cost-vs-stock-ui-daily