PairBook
HomeAMCR › AMCR vs GPK

AMCR vs GPK: Correlation

How closely do Amcor (AMCR) and Graphic Packaging Holding Company (GPK) trade together? Their weekly returns over three years give a correlation of 0.58, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.58
moderate
Correlation (1Y)
0.61
last 12 months
Correlation (5Y)
0.60
long-run
Ann. covariance
438.2
%² · weekly, annualized

How correlated are AMCR and GPK?

Across a 3-year window, the weekly returns of AMCR and GPK correlate at 0.58, moderate. Recent behaviour matches the longer record: 0.61 over 1 year against 0.58 over 3. Stretching to 5 years gives 0.60, with an annualized covariance of 438.2 %².

Within AMCR's tracked universe of 36 assets, GPK comes in at #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months AMCR outperformed by 60.3 percentage points (+12.6% for AMCR against -47.7% for GPK).

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

AMCR vs GPK: side by side

AMCR (Amcor)GPK (Graphic Packaging Holding Company)
1-year return+12.6%-47.7%
5-year return-9.8%-39.0%
Volatility (ann.)24.5%30.7%
Beta vs S&P 5000.460.71
Max drawdown (3Y)-32.0%-69.7%
Market cap$21.5B$3.4B
P/E (trailing)19.817.7
Dividend yield5.51%3.84%
Sector / categoryMaterialsUS Listed
Lower P/E: GPK 17.7 vs 19.8Higher yield: AMCR 5.51% vs 3.84%Smaller drawdown: AMCR -32.0% vs -69.7%Higher 5y return: AMCR -9.8% vs -39.0%
-58%0%+22%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AMCR · GPK

Year-by-year returns

YearAMCRGPK
2022+3.2%+15.9%
2023-15.0%+12.7%
2024+2.6%+11.7%
2025-9.0%-43.3%
2026+14.9%-23.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are AMCR and GPK good diversifiers for each other?

To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between AMCR and GPK?

Using weekly returns as of 2026-08-27: 0.58 over 3 years, with 0.61 over the last year and 0.60 over 5 years.

Is GPK a good diversifier for AMCR?

To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.58 mean?

A reading of 0.58 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/amcr-vs-gpk.json

AMCR vs GPK: 3-year weekly correlation 0.58AMCR vs GPK0.58

Drop this badge in a README or notebook; it updates with the data:

[![AMCR vs GPK correlation](https://www.pairbook.io/api/v1/badge/amcr-vs-gpk.svg)](https://www.pairbook.io/pair/amcr-vs-gpk/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: AMCR correlations · GPK correlations