Correlation Analysis
Costco Wholesale Corp vs Coterra Energy Inc.
COST vs CTRA
+0.048
Near-zero 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
Coterra Energy Inc.
↗CTRA
Coterra Energy Inc is an independent oil and gas company engaged in the development, exploration, and production of oil, natural gas, and natural gas liquids (NGLs). Its operations are mainly concentrated in areas with hydrocarbon resources, which are conducive to multi-well, repeatable development programs, and include the Permian Basin located in Texas and New Mexico, the Marcellus Shale in northeast Pennsylvania, and the Anadarko Basin located in the mid-continent region in Oklahoma. The company operates in one segment, oil and natural gas development, exploration, and production, in the continental U.S.
Market cap 26.3B · 1,075 employees
Time Series
Relative Performance
Who Moves First
in sync
COST and CTRA tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.048 (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
+0.584
11 periods · Return correlation when both series rose
Both Falling
+0.002
6 periods · Return correlation when both series fell
Diverging
-0.792
18 periods · Return correlation when series moved apart
R-Squared
0.2%
Share of variance in one series explained by the other.
Trend Agreement
54.0%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,131
Deep shared window — 1,131 usable pairs.
Significance
n.s.
95% CI: [-0.010, 0.106]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,131 paired data points survived the daily window.
Raw input
1,254
1,131
Normalized
1,254
1,131
Prepared
1,254
1,131
Aligned
1,131
1,131
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
123
A: 123 / B: 0
Series A
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
Coterra Energy Inc.
CTRA
Market cap 26.3B · 1,075 employees
Stock · 1,131 raw → 1,131 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.0007
Linear regression slope.
Intercept
25.6355
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-cost-vs-stock-ctra-daily