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Correlation Analysis

Apple Inc. vs RTX Corporation

AAPL vs RTX

+0.820

Strong positive

When one moves up, the other tends to follow.

AAPL logo

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

RTX logo

RTX Corporation

RTX

RTX is an aerospace and defense manufacturer formed from the merger of United Technologies and Raytheon, with roughly equal exposure across three segments, mostly as a supplier to commercial aerospace and to the defense market: Collins Aerospace, a diversified aerospace supplier; Pratt & Whitney, a commercial and military aircraft engine manufacturer; and Raytheon, a defense prime contractor providing a mix of missiles, missile defense systems, sensors, hardware, and communications technology to the military.

Market cap 267.1B · 180,000 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 observationsStockStockTechnologyIndustrials

Who Moves First

in sync

AAPL and RTX tend to move at the same time.

Best correlation after shifting: +0.820 (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

+0.433

11 periods · Return correlation when both series rose

Both Falling

N/A

4 periods · Return correlation when both series fell

Diverging

-0.710

20 periods · Return correlation when series moved apart

R-Squared

67.2%

Share of variance in one series explained by the other.

Trend Agreement

58.1%

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: [0.801, 0.837]

Time Series

Rebased to 100

Green: AAPLGray: RTX36 of 1,254 points (sampled)

Scatter

XY Regression

112.3120140160180200220240260280285.66780100120140160180200211.1Apple Inc.RTX CorporationData pointsFit (r = 0.82)

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

AAPL logo

Apple Inc.

AAPL

Market cap 3.8T

Stock · 1,254 raw → 1,254 prepared

Series B

RTX logo

RTX Corporation

RTX

Market cap 267.1B · 180,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

38

Estimated crossover points between normalized spreads.

Slope

0.6491

Linear regression slope.

Intercept

-11.4737

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-rtx-daily-20260408-h9wrfg