Correlation Analysis
Costco Wholesale Corp vs Texas Pacific Land Corporation
COST vs TPL
+0.828
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

Texas Pacific Land Corporation
↗TPL
Texas Pacific Land Corp is mainly engaged in the sales and leases of land owned, retaining oil and gas royalties, and the overall management of the land owned. The group operates its business in two reportable segments: Land and Resource Management and Water Service and Operations. The Land and Resource Management segment, which generates maximum revenue, focuses on managing its several surface acres of land and its oil and gas royalty interests, principally concentrated in the Permian Basin. The revenue streams of this segment consist of royalties from oil and gas, revenues from easements and commercial leases, and land and material sales. The Water Services and Operations segment encompasses the business of providing a full-service water offering to operators in the Permian Basin.
Market cap 30.9B · 114 employees
Time Series
Relative Performance
Who Moves First
COST leads TPL by 6 days
COST tends to move before TPL.
After testing 13 timing shifts, the strongest relationship was +0.828 (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
+0.612
13 periods · Return correlation when both series rose
Both Falling
+0.764
6 periods · Return correlation when both series fell
Diverging
-0.479
16 periods · Return correlation when series moved apart
R-Squared
68.6%
Share of variance in one series explained by the other.
Trend Agreement
53.1%
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: [0.810, 0.845]
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

Texas Pacific Land Corporation
TPL
Market cap 30.9B · 114 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.4104
Linear regression slope.
Intercept
-32.5738
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
COST
Costco Wholesale Corp
Highest
+0.977
Republic Services Inc.
RSG · 1,254 data points
Lowest
-0.912
Fiserv, Inc. Common Stock
FISV · 644 data points
TPL
Texas Pacific Land Corporation
Highest
+0.839
Walmart Inc. Common Stock
WMT · 1,254 data points
Lowest
+0.269
Johnson & Johnson
JNJ · 1,254 data points
Saved 6 hours ago · ID: stock-cost-vs-stock-tpl-daily