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ASC vs INSW: Correlation

Ardmore Shipping Corporation (ASC) and International Seaways, Inc. (INSW) show a very strong relationship: their 3-year correlation of weekly returns is 0.83.

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

Correlation (3Y)
0.83
very strong
Correlation (1Y)
0.90
last 12 months
Correlation (5Y)
0.75
long-run
Ann. covariance
1184.9
%² · weekly, annualized

How correlated are ASC and INSW?

Across a 3-year window, the weekly returns of ASC and INSW correlate at 0.83, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.90) sits close to the 3-year figure. Stretching to 5 years gives 0.75, with an annualized covariance of 1184.9 %².

In ASC's tracked universe of 14 assets, INSW sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months INSW outperformed by 92.3 percentage points (+58.0% for ASC against +150.3% for INSW).

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.

ASC vs INSW: side by side

ASC (Ardmore Shipping Corporation)INSW (International Seaways, Inc.)
1-year return+58.0%+150.3%
5-year return+514.4%+861.9%
Volatility (ann.)38.9%36.8%
Beta vs S&P 5000.310.50
Max drawdown (3Y)-61.4%-50.4%
Market cap$0.7B$4.9B
P/E (trailing)6.96.0
Dividend yield8.07%0.51%
Sector / categoryUS ListedUS Listed
Lower P/E: INSW 6.0 vs 6.9Higher yield: ASC 8.07% vs 0.51%Smaller drawdown: INSW -50.4% vs -61.4%Higher 5y return: INSW +861.9% vs +514.4%
-13%0%+140%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ASC · INSW

Year-by-year returns

YearASCINSW
2022+326.3%+162.5%
2023+5.8%+42.9%
2024-8.2%-10.9%
2025-11.1%+45.0%
2026+71.7%+123.1%

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

Are ASC and INSW good diversifiers for each other?

No. With a correlation of 0.83, ASC and INSW move nearly in lockstep, so holding both adds very little diversification.

FAQ

What is the correlation between ASC and INSW?

The ASC/INSW correlation stands at 0.83 on a 3-year window (1 year: 0.90, 5 years: 0.75), computed from weekly returns as of 2026-08-27.

Is INSW a good diversifier for ASC?

No. With a correlation of 0.83, ASC and INSW move nearly in lockstep, so holding both adds very little diversification.

What does a correlation of 0.83 mean?

A reading of 0.83 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/asc-vs-insw.json

ASC vs INSW: 3-year weekly correlation 0.83ASC vs INSW0.83

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Related comparisons

Hubs: ASC correlations · INSW correlations