Correlation Analysis
Costco Wholesale Corp vs Intuit Inc
COST vs INTU
+0.676
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
Intuit Inc
↗INTU
Intuit serves small and midsize businesses with accounting software QuickBooks and online marketing platform Mailchimp. The company also operates retail tax filing tool TurboTax, personal finance platform Credit Karma, and a suite of professional tax offerings for accountants. Founded in the mid-1980s, Intuit enjoys a dominant market share for small-to-midsize business accounting and self-serve tax filing in the US.
Market cap 115.4B · 18,200 employees
Time Series
Relative Performance
Who Moves First
INTU leads COST by 6 days
INTU tends to move before COST.
After testing 13 timing shifts, the strongest relationship was +0.689 (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
+0.602
16 periods · Return correlation when both series rose
Both Falling
+0.237
9 periods · Return correlation when both series fell
Diverging
-0.637
10 periods · Return correlation when series moved apart
R-Squared
45.7%
Share of variance in one series explained by the other.
Trend Agreement
65.2%
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: [0.645, 0.705]
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
Intuit Inc
INTU
Market cap 115.4B · 18,200 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
0.3413
Linear regression slope.
Intercept
313.8380
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-cost-vs-stock-intu-daily