PairBook
HomeGHC › GHC vs WINA

GHC vs WINA: Correlation

Measured on weekly returns over the past three years, Graham Holdings Company (GHC) and Winmark Corporation (WINA) carry a correlation of 0.44, a moderate link.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
415.3
%² · weekly, annualized

How correlated are GHC and WINA?

Across a 3-year window, the weekly returns of GHC and WINA correlate at 0.44, moderate. Recent behaviour matches the longer record: 0.44 over 1 year against 0.44 over 3. Stretching to 5 years gives 0.44, with an annualized covariance of 415.3 %².

Among the 16 assets we track against GHC, WINA ranks #11 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GHC ahead by 29.5 points (+5.2% versus -24.3%).

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.

GHC vs WINA: side by side

GHC (Graham Holdings Company)WINA (Winmark Corporation)
1-year return+5.2%-24.3%
5-year return+94.6%+89.5%
Volatility (ann.)26.8%35.4%
Beta vs S&P 5000.780.47
Max drawdown (3Y)-19.8%-34.0%
Market cap$4.8B$1.2B
P/E (trailing)9.230.4
Dividend yield0.63%1.13%
Sector / categoryUS ListedUS Listed
Lower P/E: GHC 9.2 vs 30.4Higher yield: WINA 1.13% vs 0.63%Smaller drawdown: GHC -19.8% vs -34.0%Higher 5y return: GHC +94.6% vs +89.5%
-28%0%+7%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). GHC · WINA

Year-by-year returns

YearGHCWINA
2022-3.0%-2.8%
2023+16.6%+82.6%
2024+26.3%-3.3%
2025+27.0%+6.4%
2026+4.5%-16.6%

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

Are GHC and WINA good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between GHC and WINA?

The GHC/WINA correlation stands at 0.44 on a 3-year window (1 year: 0.44, 5 years: 0.44), computed from weekly returns as of 2026-08-27.

Is WINA a good diversifier for GHC?

Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.44 mean?

On the −1 to +1 scale, 0.44 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

GHC vs WINA: 3-year weekly correlation 0.44GHC vs WINA0.44

Markdown for the live badge, attribution link included:

[![GHC vs WINA correlation](https://www.pairbook.io/api/v1/badge/ghc-vs-wina.svg)](https://www.pairbook.io/pair/ghc-vs-wina/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: GHC correlations · WINA correlations