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Correlation Analysis

Apple Inc. vs Church & Dwight Co., Inc.

AAPL vs CHD

+0.443

Moderate 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

CHD logo

Church & Dwight Co., Inc.

CHD

Church & Dwight is the leading global producer of baking soda. Its portfolio extends beyond its legacy category to include laundry products, cat litter, oral care, deodorant, and nasal care, all sold under the Arm & Hammer brand. Its brands also include Batiste, OxiClean, Vitafusion, Hero, and TheraBreath, which, together with Arm & Hammer, account for around 70% of its annual sales and profits. Most recently, the firm added Touchland and its hand sanitizer business to its fold. Even as it works to expand its product reach, Church & Dwight still derives around 80% of its sales from its home market in the US.

Market cap 22.1B · 5,550 employees

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

Who Moves First

in sync

AAPL and CHD tend to move at the same time.

Best correlation after shifting: +0.443 (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

+0.032

12 periods · Return correlation when both series rose

Both Falling

-0.075

8 periods · Return correlation when both series fell

Diverging

-0.715

15 periods · Return correlation when series moved apart

R-Squared

19.6%

Share of variance in one series explained by the other.

Trend Agreement

52.5%

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: [0.398, 0.487]

Time Series

Rebased to 100

Green: AAPLGray: CHD36 of 1,254 points (sampled)

Scatter

XY Regression

112.3120140160180200220240260280285.671.58090100110110.2Apple Inc.Church & Dwight Co., Inc.Data pointsFit (r = 0.443)

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

CHD logo

Church & Dwight Co., Inc.

CHD

Market cap 22.1B · 5,550 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

25

Estimated crossover points between normalized spreads.

Slope

0.0973

Linear regression slope.

Intercept

75.5796

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-chd-daily-20260408-gpc27n