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Correlation Analysis

Apple Inc. vs Dollar General Corp.

AAPL vs DG

-0.789

Strong inverse

When one moves up, the other tends to move down.

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

DG logo

Dollar General Corp.

DG

Since its beginning in 1939, Dollar General has grown to become the largest dollar store operator in the United States, with more than 20,000 small-box discount stores across 48 states. The firm generated $40 billion in fiscal 2024 sales. The retailer maintains a heavy concentration of stores in rural and low-income markets underserved by big-box retailers. It's 11,000 stock-keeping units, including 2,000 priced at $1 or less, span consumables (82% of sales), seasonal items (10%), home products (5%), and apparel (3%). More than 20% of sales are derived from private label.

Market cap 27.5B · 194,000 employees

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

Who Moves First

DG leads AAPL by 6 days

DG tends to move before AAPL.

Best correlation after shifting: -0.792 (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

-0.356

8 periods · Return correlation when both series rose

Both Falling

-0.132

9 periods · Return correlation when both series fell

Diverging

-0.679

18 periods · Return correlation when series moved apart

R-Squared

62.3%

Share of variance in one series explained by the other.

Trend Agreement

53.5%

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: [-0.809, -0.767]

Time Series

Rebased to 100

Green: AAPLGray: DG36 of 1,254 points (sampled)

Scatter

XY Regression

112.3120140160180200220240260280285.658.3100150200250269.6Apple Inc.Dollar General Corp.Data pointsFit (r = -0.789)

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

DG logo

Dollar General Corp.

DG

Market cap 27.5B · 194,000 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

11

Estimated crossover points between normalized spreads.

Slope

-1.1403

Linear regression slope.

Intercept

379.5472

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 3 hours ago · ID: stock-aapl-vs-stock-dg-daily-20260408-c9lf4n