Correlation Analysis
Apple Inc. vs Constellation Energy Corporation Common Stock
AAPL vs CEG
+0.874
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

Constellation Energy Corporation Common Stock
↗CEG
Constellation Energy Corp producer of carbon-free energy and a supplier of energy products and services. The company offers generating capacity that includes nuclear, wind, solar, natural gas, and hydroelectric assets. It sells electricity, natural gas, and other energy-related products and sustainable solutions to various types of customers, including distribution utilities, municipalities, cooperatives, and commercial, industrial, public sector, and residential customers in markets across multiple geographic regions. Its operating segments and reporting units are Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions.
Market cap 99.7B · 15,339 employees
Time Series
Rebased to 100
Who Moves First
CEG leads AAPL by 6 days
CEG tends to move before AAPL.
Best correlation after shifting: +0.880 (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
-0.000
12 periods · Return correlation when both series rose
Both Falling
-0.245
7 periods · Return correlation when both series fell
Diverging
-0.614
16 periods · Return correlation when series moved apart
R-Squared
76.3%
Share of variance in one series explained by the other.
Trend Agreement
57.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,047
Deep shared window — 1,047 usable pairs.
Significance
p < 0.001
95% CI: [0.859, 0.887]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,047 paired observations survived the daily window.
Raw input
1,254
1,047
Normalized
1,254
1,047
Prepared
1,254
1,047
Aligned
1,047
1,047
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
207
A: 207 / B: 0
Series A
Apple Inc.
AAPL
Market cap 3.8T
Stock · 1,254 raw → 1,254 prepared
Series B

Constellation Energy Corporation Common Stock
CEG
Market cap 99.7B · 15,339 employees
Stock · 1,047 raw → 1,047 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
13
Estimated crossover points between normalized spreads.
Slope
2.2544
Linear regression slope.
Intercept
-264.6894
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
CEG
Constellation Energy Corporation Common Stock
Highest
+0.968
JPMorgan Chase & Co.
JPM · 1,047 observations
Lowest
+0.306
Johnson & Johnson
JNJ · 1,047 observations
Saved 3 hours ago · ID: stock-aapl-vs-stock-ceg-daily-20260408-ksmz04