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CASY vs PEP: Correlation

How closely do Casey's (CASY) and PepsiCo (PEP) trade together? Their weekly returns over three years give a correlation of 0.20, which is weak.

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

Correlation (3Y)
0.20
weak
Correlation (1Y)
0.29
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
112.1
%² · weekly, annualized

How correlated are CASY and PEP?

Over the past 3 years, CASY and PEP moved with a correlation of 0.20, which is weak. Recent behaviour matches the longer record: 0.29 over 1 year against 0.20 over 3. Over 5 years the correlation is 0.29, and the annualized covariance of weekly returns is 112.1 %².

Among the 30 assets we track against CASY, PEP ranks #18 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CASY ahead by 55.3 points (+53.7% versus -1.6%). The rolling one-year correlation moved between -0.03 and 0.32 over the past three years, a moderate range. Risk is not evenly split, since CASY carries 1.5 times the volatility of the other side.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved over the past three years.
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.

CASY vs PEP: side by side

CASY (Casey's)PEP (PepsiCo)
1-year return+53.7%-1.6%
5-year return+284.3%+4.9%
Volatility (ann.)28.9%19.1%
Beta vs S&P 5000.390.13
Max drawdown (3Y)-16.6%-27.5%
Market cap$28.2B$190.9B
P/E (trailing)42.218.6
Dividend yield0.28%4.04%
Sector / categoryConsumer StaplesConsumer Staples
Lower P/E: PEP 18.6 vs 42.2Higher yield: PEP 4.04% vs 0.28%Smaller drawdown: CASY -16.6% vs -27.5%Higher 5y return: CASY +284.3% vs +4.9%
-4%0%+78%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CASY · PEP

Year-by-year returns

YearCASYPEP
2022+14.5%+6.8%
2023+23.3%-3.3%
2024+45.0%-7.6%
2025+40.1%-1.8%
2026+38.4%-0.7%

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

Are CASY and PEP good diversifiers for each other?

Reasonably. At 0.20, CASY and PEP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CASY and PEP?

The CASY/PEP correlation stands at 0.20 on a 3-year window (1 year: 0.29, 5 years: 0.29), computed from weekly returns as of 2026-08-27.

Is PEP a good diversifier for CASY?

Reasonably. At 0.20, CASY and PEP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.20 mean?

A reading of 0.20 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/casy-vs-pep.json

CASY vs PEP: 3-year weekly correlation 0.20CASY vs PEP0.20

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[![CASY vs PEP correlation](https://www.pairbook.io/api/v1/badge/casy-vs-pep.svg)](https://www.pairbook.io/pair/casy-vs-pep/)

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Related comparisons

Hubs: CASY correlations · PEP correlations