Correlation Analysis
Costco Wholesale Corp vs Carpenter Technology Corp
COST vs CRS
+0.865
Very strong 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
Carpenter Technology Corp
↗CRS
Carpenter Technology Corp supplies specialty metals to a variety of end markets, including aerospace and defense, industrial machinery and consumer durables, medical, and energy, among others. The company's reportable segments include; Specialty Alloys Operations and Performance Engineered Products. It generates maximum revenue from the Specialty Alloys Operations segment. The SAO segment is comprised of the company's alloy and stainless steel manufacturing operations. This includes operations performed at mills predominantly in Reading and Latrobe, Pennsylvania, and surrounding areas as well as South Carolina and Alabama. Geographically, the company derives its maximum revenue from the United States and the rest from Europe, Asia Pacific, Mexico, Canada, and other regions.
Market cap 19.7B · 4,500 employees
Time Series
Relative Performance
Who Moves First
COST leads CRS by 6 days
COST tends to move before CRS.
After testing 13 timing shifts, the strongest relationship was +0.867 (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
+0.476
17 periods · Return correlation when both series rose
Both Falling
N/A
4 periods · Return correlation when both series fell
Diverging
-0.542
14 periods · Return correlation when series moved apart
R-Squared
74.8%
Share of variance in one series explained by the other.
Trend Agreement
56.6%
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: [0.850, 0.878]
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
Carpenter Technology Corp
CRS
Market cap 19.7B · 4,500 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
0.4111
Linear regression slope.
Intercept
-165.8299
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-cost-vs-stock-crs-daily