PairBook
HomeCASY › CASY vs DSX

CASY vs DSX: Correlation

Measured on weekly returns over the past three years, Casey's (CASY) and Diana Shipping inc. (DSX) carry a correlation of 0.30, a moderate link.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.37
last 12 months
Correlation (5Y)
0.21
long-run
Ann. covariance
330.5
%² · weekly, annualized

How correlated are CASY and DSX?

On 3 years of weekly data the CASY/DSX correlation comes out at 0.30, moderate. The relationship has been stable: the 1-year correlation (0.37) sits close to the 3-year figure. The 5-year figure is 0.21, and annualized covariance runs at 330.5 %².

By 3-year correlation, DSX places #15 of the 30 assets tracked against CASY. The trailing year gives DSX the advantage: +53.7% versus +66.0%, a 12.3-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.

CASY vs DSX: side by side

CASY (Casey's)DSX (Diana Shipping inc.)
1-year return+53.7%+66.0%
5-year return+284.3%-10.5%
Volatility (ann.)28.9%38.7%
Beta vs S&P 5000.390.89
Max drawdown (3Y)-16.6%-60.1%
Market cap$28.2B$0.3B
P/E (trailing)42.25.5
Dividend yield0.28%1.50%
Sector / categoryConsumer StaplesUS Listed
Lower P/E: DSX 5.5 vs 42.2Higher yield: DSX 1.50% vs 0.28%Smaller drawdown: CASY -16.6% vs -60.1%Higher 5y return: CASY +284.3% vs -10.5%
-6%0%+78%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CASY · DSX

Year-by-year returns

YearCASYDSX
2022+14.5%+18.2%
2023+23.3%-15.0%
2024+45.0%-28.1%
2025+40.1%-13.7%
2026+38.4%+64.0%

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

Are CASY and DSX good diversifiers for each other?

Reasonably. At 0.30, CASY and DSX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CASY and DSX?

The CASY/DSX correlation stands at 0.30 on a 3-year window (1 year: 0.37, 5 years: 0.21), computed from weekly returns as of 2026-08-27.

Is DSX a good diversifier for CASY?

Reasonably. At 0.30, CASY and DSX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.30 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/casy-vs-dsx.json

CASY vs DSX: 3-year weekly correlation 0.30CASY vs DSX0.30

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

[![CASY vs DSX correlation](https://www.pairbook.io/api/v1/badge/casy-vs-dsx.svg)](https://www.pairbook.io/pair/casy-vs-dsx/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: CASY correlations · DSX correlations