Correlation Analysis
Apple Inc. vs DuPont de Nemours, Inc. Common Stock
AAPL vs DD
+0.636
Moderate 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
DuPont de Nemours, Inc. Common Stock
↗DD
DuPont is a diversified global specialty chemicals company created in 2019 as a result of the DowDuPont merger and subsequent separations. Its portfolio includes specialty chemicals and downstream products that serve the healthcare, water, construction, automotive, aerospace, and printing and packaging industries. Healthcare and water will generate the majority of profits.
Market cap 18.6B · 15,000 employees
Time Series
Relative Performance
Who Moves First
in sync
AAPL and DD tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.636 (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
-0.280
12 periods · Return correlation when both series rose
Both Falling
+0.841
7 periods · Return correlation when both series fell
Diverging
-0.707
16 periods · Return correlation when series moved apart
R-Squared
40.5%
Share of variance in one series explained by the other.
Trend Agreement
63.0%
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: [0.602, 0.668]
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
DuPont de Nemours, Inc. Common Stock
DD
Market cap 18.6B · 15,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
19
Estimated crossover points between normalized spreads.
Slope
0.0754
Linear regression slope.
Intercept
17.4897
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-aapl-vs-stock-dd-daily-20260408-5minvo