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GHC vs NATH: Correlation

Measured on weekly returns over the past three years, Graham Holdings Company (GHC) and Nathan's Famous, Inc. (NATH) carry a correlation of 0.46, a moderate link.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.36
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
309.2
%² · weekly, annualized

How correlated are GHC and NATH?

Across a 3-year window, the weekly returns of GHC and NATH correlate at 0.46, moderate. The past 12 months show a weaker link (0.36) than the 3-year average (0.46). Stretching to 5 years gives 0.39, with an annualized covariance of 309.2 %².

By 3-year correlation, NATH places #8 of the 16 assets tracked against GHC. Over the last 12 months GHC came out ahead by 10.7 percentage points (+5.2% against -5.5%).

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 NATH: side by side

GHC (Graham Holdings Company)NATH (Nathan's Famous, Inc.)
1-year return+5.2%-5.5%
5-year return+94.6%+68.7%
Volatility (ann.)26.8%25.3%
Beta vs S&P 5000.780.50
Max drawdown (3Y)-19.8%-19.5%
Market cap$4.8B$0.4B
P/E (trailing)9.220.2
Dividend yield0.63%2.05%
Sector / categoryUS ListedUS Listed
Lower P/E: GHC 9.2 vs 20.2Higher yield: NATH 2.05% vs 0.63%Smaller drawdown: NATH -19.5% vs -19.8%Higher 5y return: GHC +94.6% vs +68.7%
-16%0%+7%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GHC · NATH

Year-by-year returns

YearGHCNATH
2022-3.0%+18.7%
2023+16.6%+19.2%
2024+26.3%+3.5%
2025+27.0%+24.6%
2026+4.5%+5.5%

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

Are GHC and NATH good diversifiers for each other?

A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between GHC and NATH?

The GHC/NATH correlation stands at 0.46 on a 3-year window (1 year: 0.36, 5 years: 0.39), computed from weekly returns as of 2026-08-27.

Is NATH a good diversifier for GHC?

A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.46 mean?

A reading of 0.46 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/ghc-vs-nath.json

GHC vs NATH: 3-year weekly correlation 0.46GHC vs NATH0.46

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Related comparisons

Hubs: GHC correlations · NATH correlations