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COHR vs GIS: Correlation

How closely do Coherent Corp. (COHR) and General Mills (GIS) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.

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

Correlation (3Y)
-0.19
negative
Correlation (1Y)
-0.21
last 12 months
Correlation (5Y)
-0.17
long-run
Ann. covariance
-259.1
%² · weekly, annualized

How correlated are COHR and GIS?

Over the past 3 years, COHR and GIS moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.21 lands near the 3-year figure. Over 5 years the correlation is -0.17, and the annualized covariance of weekly returns is -259.1 %².

Within COHR's tracked universe of 41 assets, GIS comes in at #34 by 3-year correlation. Correlation aside, the last 12 months split them widely, with COHR ahead by 238.4 points (+225.6% versus -12.8%). The rolling one-year correlation moved between -0.45 and -0.01 over the past three years, a moderate range. Note the risk asymmetry: COHR runs 3.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns 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.

COHR vs GIS: side by side

COHR (Coherent Corp.)GIS (General Mills)
1-year return+225.6%-12.8%
5-year return+368.6%-14.6%
Volatility (ann.)65.0%20.6%
Beta vs S&P 5002.76-0.05
Max drawdown (3Y)-54.8%-53.4%
Market cap$57.8B$21.6B
P/E (trailing)71.4
Dividend yield0.00%6.09%
Sector / categoryInformation TechnologyConsumer Staples
Higher yield: GIS 6.09% vs 0.00%Smaller drawdown: GIS -53.4% vs -54.8%Higher 5y return: COHR +368.6% vs -14.6%
-32%0%+298%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). COHR · GIS

Year-by-year returns

YearCOHRGIS
2022-48.6%+28.1%
2023+24.0%-20.0%
2024+117.6%+1.4%
2025+94.8%-23.7%
2026+60.0%-8.8%

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

Are COHR and GIS good diversifiers for each other?

Yes. With a correlation of -0.19, COHR and GIS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between COHR and GIS?

As of 2026-08-27, the correlation of weekly returns between COHR and GIS is -0.19 over 3 years, -0.21 over 1 year and -0.17 over 5 years.

Is GIS a good diversifier for COHR?

Yes. With a correlation of -0.19, COHR and GIS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.19 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

COHR vs GIS: 3-year weekly correlation -0.19COHR vs GIS-0.19

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Related comparisons

Hubs: COHR correlations · GIS correlations