Correlation Analysis
Apple Inc. vs EXAS
AAPL vs EXAS
-0.067
Weak 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
EXAS
EXAS
Who Moves First
EXAS leads AAPL by 6 days
EXAS tends to move before AAPL.
Best correlation after shifting: -0.085 (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
+0.631
9 periods · Return correlation when both series rose
Both Falling
+0.782
10 periods · Return correlation when both series fell
Diverging
-0.679
16 periods · Return correlation when series moved apart
R-Squared
0.5%
Share of variance in one series explained by the other.
Trend Agreement
57.7%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,243
Deep shared window — 1,243 usable pairs.
Significance
p < 0.05
95% CI: [-0.123, -0.012]
Time Series
Rebased to 100
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,243 paired observations survived the daily window.
Raw input
1,254
1,243
Normalized
1,254
1,243
Prepared
1,254
1,243
Aligned
1,243
1,243
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
11
A: 11 / B: 0
Series A
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B
EXAS
Stock · 1,243 raw → 1,243 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
21
Estimated crossover points between normalized spreads.
Slope
-0.0378
Linear regression slope.
Intercept
75.9851
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-aapl-vs-stock-exas-daily-20260408-ptzu58