Correlation Analysis
Agilent Technologies Inc. vs Costco Wholesale Corp
A vs COST
-0.267
Light inverse
When one moves up, the other tends to move down.
Agilent Technologies Inc.
↗A
Originally spun out of Hewlett-Packard in 1999, Agilent has evolved into a leading life science and diagnostic firm. Today, Agilent's measurement technologies serve a broad base of customers with its three operating segments: life science and diagnostics, cross lab operations consisting of consumables and services, and applied end markets. Over half of its sales are generated from the biopharmaceutical, chemical, and advanced materials end markets, which we view as the stickiest end markets, but it also supports clinical lab, environmental, forensics, food, academic, and government-related organizations. The company is geographically diverse, with operations in the US and China representing the largest country concentrations.
Market cap 32.5B · 18,100 employees
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
Time Series
Relative Performance
Who Moves First
COST leads A by 6 days
COST tends to move before A.
After testing 13 timing shifts, the strongest relationship was -0.280 (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
+0.019
13 periods · Return correlation when both series rose
Both Falling
+0.514
7 periods · Return correlation when both series fell
Diverging
-0.461
15 periods · Return correlation when series moved apart
R-Squared
7.1%
Share of variance in one series explained by the other.
Trend Agreement
62.4%
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: [-0.317, -0.214]
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
Agilent Technologies Inc.
A
Market cap 32.5B · 18,100 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-3.8880
Linear regression slope.
Intercept
1204.3915
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-a-vs-stock-cost-daily