Correlation Analysis
Apple Inc. vs CPILFESL
AAPL vs CPILFESL
+0.852
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
CPILFESL
CPILFESL
Time Series
Relative Performance
Who Moves First
in sync
AAPL and CPILFESL tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.852 (they moved in the same direction).
Stability
Rolling Correlation
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
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
-0.249
18 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
-0.138
17 periods · Return correlation when series moved apart
R-Squared
72.6%
Share of variance in one series explained by the other.
Trend Agreement
56.1%
How often both series moved in the same direction period-to-period.
Overlap Quality
58
Thin shared window — 58 usable pairs.
Significance
p < 0.001
95% CI: [0.761, 0.910]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
58 paired data points survived the monthly window.
Raw input
1,254
829
Normalized
1,254
829
Prepared
61
829
Aligned
58
58
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
774
A: 3 / B: 771
Series A
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 61 prepared
Series B
CPILFESL
FRED · 829 raw → 829 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.3777
Linear regression slope.
Intercept
237.5894
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 8 hours ago · ID: stock-aapl-vs-fred-cpilfesl-monthly-20260408-ccpjac