PairBook
HomeGHC › GHC vs ONB

GHC vs ONB: Correlation

How closely do Graham Holdings Company (GHC) and Old National Bancorp (ONB) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.61
last 12 months
Correlation (5Y)
0.60
long-run
Ann. covariance
498.1
%² · weekly, annualized

How correlated are GHC and ONB?

On 3 years of weekly data the GHC/ONB correlation comes out at 0.64, strong. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. The 5-year figure is 0.60, and annualized covariance runs at 498.1 %².

ONB is one of the assets that tracks GHC most closely: it ranks #3 out of the 16 assets we track against GHC. The trailing year gives ONB the advantage: +5.2% versus +15.1%, a 9.9-point spread.

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 ONB: side by side

GHC (Graham Holdings Company)ONB (Old National Bancorp)
1-year return+5.2%+15.1%
5-year return+94.6%+81.8%
Volatility (ann.)26.8%29.0%
Beta vs S&P 5000.781.07
Max drawdown (3Y)-19.8%-26.1%
Market cap$4.8B$9.9B
P/E (trailing)9.211.4
Dividend yield0.63%2.21%
Sector / categoryUS ListedUS Listed
Lower P/E: GHC 9.2 vs 11.4Higher yield: ONB 2.21% vs 0.63%Smaller drawdown: GHC -19.8% vs -26.1%Higher 5y return: GHC +94.6% vs +81.8%
-16%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GHC · ONB

Year-by-year returns

YearGHCONB
2022-3.0%+2.5%
2023+16.6%-2.5%
2024+26.3%+32.5%
2025+27.0%+5.4%
2026+4.5%+17.3%

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

Are GHC and ONB good diversifiers for each other?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between GHC and ONB?

Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.61 over the last year and 0.60 over 5 years.

Is ONB a good diversifier for GHC?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.64 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/ghc-vs-onb.json

GHC vs ONB: 3-year weekly correlation 0.64GHC vs ONB0.64

Embed this badge (it refreshes with the data), with attribution:

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

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: GHC correlations · ONB correlations