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GIS vs HSY: Correlation

General Mills (GIS) and Hershey Company (The) (HSY) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.

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

Correlation (3Y)
0.43
moderate
Correlation (1Y)
0.40
last 12 months
Correlation (5Y)
0.47
long-run
Ann. covariance
223.6
%² · weekly, annualized

How correlated are GIS and HSY?

Across a 3-year window, the weekly returns of GIS and HSY correlate at 0.43, moderate. Little has changed lately, as the 1-year reading of 0.40 lands near the 3-year figure. Stretching to 5 years gives 0.47, with an annualized covariance of 223.6 %².

By 3-year correlation, HSY places #13 of the 38 assets tracked against GIS. The last year tells two different stories: HSY led by 15.6 percentage points, -12.8% for GIS against +2.8% for HSY. The rolling one-year correlation moved between 0.24 and 0.63 over the past three years, a moderate range.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last 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.

GIS vs HSY: side by side

GIS (General Mills)HSY (Hershey Company (The))
1-year return-12.8%+2.8%
5-year return-14.6%+16.5%
Volatility (ann.)20.6%25.6%
Beta vs S&P 500-0.050.03
Max drawdown (3Y)-53.4%-31.2%
Market cap$21.6B$36.4B
P/E (trailing)25.3
Dividend yield6.09%3.05%
Sector / categoryConsumer StaplesConsumer Staples
Higher yield: GIS 6.09% vs 3.05%Smaller drawdown: HSY -31.2% vs -53.4%Higher 5y return: HSY +16.5% vs -14.6%
-32%0%+29%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GIS · HSY

Year-by-year returns

YearGISHSY
2022+28.1%+21.9%
2023-20.0%-17.9%
2024+1.4%-6.5%
2025-23.7%+11.0%
2026-8.8%+1.9%

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

Are GIS and HSY good diversifiers for each other?

Reasonably. At 0.43, GIS and HSY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between GIS and HSY?

Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.40 over the last year and 0.47 over 5 years.

Is HSY a good diversifier for GIS?

Reasonably. At 0.43, GIS and HSY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.43 mean?

A reading of 0.43 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/gis-vs-hsy.json

GIS vs HSY: 3-year weekly correlation 0.43GIS vs HSY0.43

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Hubs: GIS correlations · HSY correlations