Correlation Analysis
Apple Inc. vs Palo Alto Networks, Inc. Common Stock
AAPL vs PANW
+0.894
Very 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
Palo Alto Networks, Inc. Common Stock
↗PANW
Palo Alto Networks is a platform-based cybersecurity vendor with product offerings covering network security, cloud security, and security operations. The California-based firm has more than 80,000 enterprise customers across the world, including more than three-fourths of the Global 2000.
Market cap 131.3B · 17,027 employees
Time Series
Rebased to 100
Who Moves First
PANW leads AAPL by 2 days
PANW tends to move before AAPL.
Best correlation after shifting: +0.894 (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
+0.167
18 periods · Return correlation when both series rose
Both Falling
+0.652
8 periods · Return correlation when both series fell
Diverging
-0.480
9 periods · Return correlation when series moved apart
R-Squared
79.9%
Share of variance in one series explained by the other.
Trend Agreement
63.5%
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: [0.882, 0.904]
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
Palo Alto Networks, Inc. Common Stock
PANW
Market cap 131.3B · 17,027 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
58
Estimated crossover points between normalized spreads.
Slope
1.0432
Linear regression slope.
Intercept
-66.2993
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AAPL
Apple Inc.
Highest
+0.935
Arista Networks
ANET · 1,254 observations
Lowest
-0.847
Fiserv, Inc. Common Stock
FISV · 644 observations
PANW
Palo Alto Networks, Inc. Common Stock
Highest
+0.953
Meta Platforms, Inc. Class A Common Stock
META · 1,107 observations
Lowest
+0.069
Johnson & Johnson
JNJ · 1,254 observations
Saved 3 hours ago · ID: stock-aapl-vs-stock-panw-daily-20260408-sszjs7