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ACA vs OSW: Correlation

Arcosa, Inc. (ACA) and OneSpaWorld Holdings Limited (OSW) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.

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

Correlation (3Y)
0.54
moderate
Correlation (1Y)
0.45
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
534.8
%² · weekly, annualized

How correlated are ACA and OSW?

On 3 years of weekly data the ACA/OSW correlation comes out at 0.54, moderate. The relationship has been stable: the 1-year correlation (0.45) sits close to the 3-year figure. The 5-year figure is 0.49, and annualized covariance runs at 534.8 %².

Within ACA's tracked universe of 23 assets, OSW comes in at #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ACA ahead by 31.8 points (+47.0% versus +15.2%).

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.

ACA vs OSW: side by side

ACA (Arcosa, Inc.)OSW (OneSpaWorld Holdings Limited)
1-year return+47.0%+15.2%
5-year return+186.5%+153.8%
Volatility (ann.)31.9%31.3%
Beta vs S&P 5001.230.89
Max drawdown (3Y)-36.6%-34.6%
Market cap$7.1B$2.7B
P/E (trailing)32.533.1
Dividend yield0.14%0.72%
Sector / categoryUS ListedUS Listed
Lower P/E: ACA 32.5 vs 33.1Higher yield: OSW 0.72% vs 0.14%Smaller drawdown: OSW -34.6% vs -36.6%Higher 5y return: ACA +186.5% vs +153.8%
-10%0%+49%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ACA · OSW

Year-by-year returns

YearACAOSW
2022+3.5%-6.9%
2023+52.5%+51.1%
2024+17.3%+41.8%
2025+10.2%+5.1%
2026+37.0%+27.0%

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

Are ACA and OSW good diversifiers for each other?

To a limited degree. At 0.54 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between ACA and OSW?

Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.45 over the last year and 0.49 over 5 years.

Is OSW a good diversifier for ACA?

To a limited degree. At 0.54 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.54 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/aca-vs-osw.json

ACA vs OSW: 3-year weekly correlation 0.54ACA vs OSW0.54

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Related comparisons

Hubs: ACA correlations · OSW correlations