Correlation Analysis
Costco Wholesale Corp vs Permian Resources Corporation
COST vs PR
+0.633
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
Permian Resources Corporation
↗PR
Permian Resources Corp is an independent oil and natural gas company focused on generating outsized returns to stakeholders through the responsible acquisition, optimization, and development of oil and liquids-rich natural gas assets. The Company's assets and operations are concentrated in the core of the Permian Basin, and its properties consist of large, contiguous acreage blocks located in West Texas and New Mexico.
Market cap 17.2B · 515 employees
Time Series
Relative Performance
Who Moves First
PR leads COST by 6 days
PR tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.642 (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
-0.490
12 periods · Return correlation when both series rose
Both Falling
-0.144
7 periods · Return correlation when both series fell
Diverging
-0.654
16 periods · Return correlation when series moved apart
R-Squared
40.1%
Share of variance in one series explained by the other.
Trend Agreement
51.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
900
Deep shared window — 900 usable pairs.
Significance
p < 0.001
95% CI: [0.593, 0.671]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
900 paired data points survived the daily window.
Raw input
1,254
900
Normalized
1,254
900
Prepared
1,254
900
Aligned
900
900
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
354
A: 354 / B: 0
Series A
Costco Wholesale Corp
COST
Market cap 451.9B
Stock · 1,254 raw → 1,254 prepared
Series B
Permian Resources Corporation
PR
Market cap 17.2B · 515 employees
Stock · 900 raw → 900 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
5
Estimated crossover points between normalized spreads.
Slope
0.0083
Linear regression slope.
Intercept
7.0217
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-cost-vs-stock-pr-daily