Correlation Analysis
Costco Wholesale Corp vs Dick's Sporting Goods, Inc.
COST vs DKS
+0.911
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
Dick's Sporting Goods, Inc.
↗DKS
Dick's Sporting Goods is a retailer that offers sports and outdoor apparel, footwear, and equipment online and in physical stores. The company's legacy business includes more than 700 stores under its own name, more than 110 Golf Galaxy golf specialty stores, and about 50 outlet stores. In September 2025, Dick's acquired multinational retailer Foot Locker. With this move, Dick's added about 2,600 stores under the Foot Locker, Kids Foot Locker, Champs Sports, atmos, and WSS nameplates in North America, the Asia-Pacific, and EMEA—Europe, the Middle East, and Africa. Based in the Pittsburgh area, Dick's was founded in 1948 by the father of current executive chair and controlling shareholder Edward Stack.
Market cap 17.8B · 105,200 employees
Time Series
Relative Performance
Who Moves First
in sync
COST and DKS tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.911 (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
+0.536
14 periods · Return correlation when both series rose
Both Falling
+0.822
8 periods · Return correlation when both series fell
Diverging
-0.592
13 periods · Return correlation when series moved apart
R-Squared
82.9%
Share of variance in one series explained by the other.
Trend Agreement
60.3%
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: [0.901, 0.920]
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
Dick's Sporting Goods, Inc.
DKS
Market cap 17.8B · 105,200 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
0.2106
Linear regression slope.
Intercept
12.0265
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-cost-vs-stock-dks-daily