Correlation Analysis
Apple Inc. vs PayPal Holdings, Inc. Common Stock
AAPL vs PYPL
-0.506
Moderate inverse
When one moves up, the other tends to move down.
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
PayPal Holdings, Inc. Common Stock
↗PYPL
PayPal was spun off from eBay in 2015 and provides electronic payment solutions to merchants and consumers, with a focus on online transactions. The company had 434 million active accounts at the end of 2024. The company also owns Venmo, a person-to-person payment platform.
Market cap 41.9B · 23,800 employees
Time Series
Rebased to 100
Who Moves First
AAPL leads PYPL by 4 days
AAPL tends to move before PYPL.
Best correlation after shifting: -0.508 (13 shifts scanned)
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
-0.104
10 periods · Return correlation when both series rose
Both Falling
-0.147
12 periods · Return correlation when both series fell
Diverging
-0.529
13 periods · Return correlation when series moved apart
R-Squared
25.6%
Share of variance in one series explained by the other.
Trend Agreement
65.6%
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: [-0.546, -0.464]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations 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
PayPal Holdings, Inc. Common Stock
PYPL
Market cap 41.9B · 23,800 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
3
Estimated crossover points between normalized spreads.
Slope
-0.8473
Linear regression slope.
Intercept
260.5550
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-aapl-vs-stock-pypl-daily-20260408-p5afqk