Correlation Analysis
Costco Wholesale Corp vs Hologic Inc
COST vs HOLX
-0.187
Weak 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
Hologic Inc
↗HOLX
Hologic manufactures proprietary products for the healthcare needs of women. The company operates in four segments: diagnostics (44% of total sales), breast health (38%), surgical (16%), and skeletal health (2%). While the company traditionally focused on breast health, the acquisition of Gen-Probe put greater emphasis on commercial diagnostics. The United States accounts for the largest portion of the firm's revenue (69%), followed by Europe (20%), Asia (8%), and other international markets (3%). Hologic is headquartered in Bedford, Massachusetts.
Market cap 17B · 7,070 employees
Time Series
Relative Performance
Who Moves First
COST leads HOLX by 6 days
COST tends to move before HOLX.
After testing 13 timing shifts, the strongest relationship was -0.193 (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
-0.378
13 periods · Return correlation when both series rose
Both Falling
-0.235
7 periods · Return correlation when both series fell
Diverging
-0.695
15 periods · Return correlation when series moved apart
R-Squared
3.5%
Share of variance in one series explained by the other.
Trend Agreement
59.1%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,253
Deep shared window — 1,253 usable pairs.
Significance
p < 0.001
95% CI: [-0.240, -0.133]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,253 paired data points survived the daily window.
Raw input
1,254
1,253
Normalized
1,254
1,253
Prepared
1,254
1,253
Aligned
1,253
1,253
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1
A: 1 / B: 0
Series A
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
Hologic Inc
HOLX
Market cap 17B · 7,070 employees
Stock · 1,253 raw → 1,253 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
-0.0053
Linear regression slope.
Intercept
76.5383
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-cost-vs-stock-holx-daily