PairBook
HomeAMSF › AMSF vs ASC

AMSF vs ASC: Correlation

AMERISAFE, Inc. (AMSF) and Ardmore Shipping Corporation (ASC) show a negative relationship: their 3-year correlation of weekly returns is -0.25.

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

Correlation (3Y)
-0.25
negative
Correlation (1Y)
-0.26
last 12 months
Correlation (5Y)
-0.03
long-run
Ann. covariance
-236.6
%² · weekly, annualized

How correlated are AMSF and ASC?

On 3 years of weekly data the AMSF/ASC correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.26 lands near the 3-year figure. The 5-year figure is -0.03, and annualized covariance runs at -236.6 %².

Out of 12 assets tracked against AMSF, ASC lands near the bottom at #10. The last year tells two different stories: ASC led by 97.5 percentage points, -39.5% for AMSF against +58.0% for ASC. One caveat on sizing: ASC is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

AMSF vs ASC: side by side

AMSF (AMERISAFE, Inc.)ASC (Ardmore Shipping Corporation)
1-year return-39.5%+58.0%
5-year return-29.7%+514.4%
Volatility (ann.)24.6%38.9%
Beta vs S&P 5000.220.31
Max drawdown (3Y)-50.2%-61.4%
Market cap$0.5B$0.7B
P/E (trailing)10.56.9
Dividend yield6.09%8.07%
Sector / categoryUS ListedUS Listed
Lower P/E: ASC 6.9 vs 10.5Higher yield: ASC 8.07% vs 6.09%Smaller drawdown: AMSF -50.2% vs -61.4%Higher 5y return: ASC +514.4% vs -29.7%
-39%0%+63%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AMSF · ASC

Year-by-year returns

YearAMSFASC
2022+6.1%+326.3%
2023-0.9%+5.8%
2024+19.6%-8.2%
2025-20.8%-11.1%
2026-30.2%+71.7%

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

Are AMSF and ASC good diversifiers for each other?

Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between AMSF and ASC?

As of 2026-08-27, the correlation of weekly returns between AMSF and ASC is -0.25 over 3 years, -0.26 over 1 year and -0.03 over 5 years.

Is ASC a good diversifier for AMSF?

Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.25 mean?

On the −1 to +1 scale, -0.25 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/amsf-vs-asc.json

AMSF vs ASC: 3-year weekly correlation -0.25AMSF vs ASC-0.25

Markdown for the live badge, attribution link included:

[![AMSF vs ASC correlation](https://www.pairbook.io/api/v1/badge/amsf-vs-asc.svg)](https://www.pairbook.io/pair/amsf-vs-asc/)

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

Related comparisons

Hubs: AMSF correlations · ASC correlations