Correlation Analysis
Apple Inc. vs AutoZone, Inc.
AAPL vs AZO
+0.843
Strong positive
When one moves up, the other tends to follow.
Apple Inc.
↗AAPL
Apple is among the largest companies in the world, with a broad portfolio of hardware and software products targeted at consumers and businesses. Apple's iPhone makes up a majority of the firm sales, and Apple's other products like Mac, iPad, and Watch are designed around the iPhone as the focal point of an expansive software ecosystem. Apple has progressively worked to add new applications, like streaming video, subscription bundles, and augmented reality. The firm designs its own software and semiconductors while working with subcontractors like Foxconn and TSMC to build its products and chips. Slightly less than half of Apple's sales come directly through its flagship stores, with a majority of sales coming indirectly through partnerships and distribution.
Market cap 3.8T
AutoZone, Inc.
↗AZO
AutoZone operates as a leading retailer of aftermarket automotive parts in the United States. The firm operates 6,666 stores domestically, serving the do-it-yourself and commercial (do-it-for-me) end markets. Through its vast store footprint and distribution network, AutoZone manages a wide array of stock-keeping units applicable to numerous vehicle makes and models, providing its consumers with ample product availability. The firm drives traffic by providing superior and convenient customer service as AutoZone's team of knowledgeable staff assists consumers with diagnosing a vehicle's problem, selecting the necessary part for replacement, and occasionally, installation. The company also operates internationally, with 895 stores in Mexico and 149 in Brazil.
Market cap 56.7B · 130,000 employees
Time Series
Relative Performance
Who Moves First
AZO leads AAPL by 6 days
AZO tends to move before AAPL.
After testing 13 timing shifts, the strongest relationship was +0.844 (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
+0.128
11 periods · Return correlation when both series rose
Both Falling
-0.350
6 periods · Return correlation when both series fell
Diverging
-0.707
18 periods · Return correlation when series moved apart
R-Squared
71.1%
Share of variance in one series explained by the other.
Trend Agreement
57.2%
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: [0.826, 0.858]
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
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
AutoZone, Inc.
AZO
Market cap 56.7B · 130,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
15.2178
Linear regression slope.
Intercept
-154.1619
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-azo-daily-20260408-8923yr