Correlation Analysis
Apple Inc. vs Moderna, Inc. Common Stock
AAPL vs MRNA
-0.700
Strong 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
Moderna, Inc. Common Stock
↗MRNA
Moderna is a commercial-stage biotech that was founded in 2010 and had its initial public offering in December 2018. The firm's mRNA technology was rapidly validated with its covid vaccine, which was authorized in the United States in December 2020. Moderna had 35 mRNA development candidates in clinical studies as of August 2025. Programs span a wide range of therapeutic areas, including infectious disease, oncology, cardiovascular disease, and rare genetic diseases.
Market cap 19.3B · 4,700 employees
Time Series
Rebased to 100
Who Moves First
AAPL leads MRNA by 6 days
AAPL tends to move before MRNA.
Best correlation after shifting: -0.710 (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
-0.096
10 periods · Return correlation when both series rose
Both Falling
-0.490
9 periods · Return correlation when both series fell
Diverging
-0.813
16 periods · Return correlation when series moved apart
R-Squared
49.0%
Share of variance in one series explained by the other.
Trend Agreement
59.4%
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: [-0.727, -0.671]
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
Moderna, Inc. Common Stock
MRNA
Market cap 19.3B · 4,700 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
17
Estimated crossover points between normalized spreads.
Slope
-1.5440
Linear regression slope.
Intercept
415.6224
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
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