Correlation Analysis
Costco Wholesale Corp vs Hubbell Incorporated
COST vs HUBB
+0.902
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
Hubbell Incorporated
↗HUBB
Founded in 1888 by Harvey Hubbell, the eponymous company was the conduit through which the pull-chain lamp socket was originally sold. Hubbell has since grown into an electricity transmission and distribution behemoth, housing more than 75 brands that sell components found on power lines, in electrical substations, and in commercial and industrial buildings. The company's primary operations are in the United States, where around 90% of revenue is derived.
Market cap 26.5B · 18,000 employees
Time Series
Relative Performance
Who Moves First
HUBB leads COST by 6 days
HUBB tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.903 (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
15 periods · Return correlation when both series rose
Both Falling
+0.788
5 periods · Return correlation when both series fell
Diverging
-0.488
15 periods · Return correlation when series moved apart
R-Squared
81.3%
Share of variance in one series explained by the other.
Trend Agreement
60.0%
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: [0.891, 0.912]
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
Hubbell Incorporated
HUBB
Market cap 26.5B · 18,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
13
Estimated crossover points between normalized spreads.
Slope
0.4284
Linear regression slope.
Intercept
20.9754
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 6 hours ago · ID: stock-cost-vs-stock-hubb-daily