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ASC vs IDA: Correlation

Measured on weekly returns over the past three years, Ardmore Shipping Corporation (ASC) and IDACORP, Inc. (IDA) carry a correlation of -0.20, a negative link.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.20
last 12 months
Correlation (5Y)
-0.09
long-run
Ann. covariance
-139.5
%² · weekly, annualized

How correlated are ASC and IDA?

Over the past 3 years, ASC and IDA moved with a correlation of -0.20, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.20 over 1 year against -0.20 over 3. Over 5 years the correlation is -0.09, and the annualized covariance of weekly returns is -139.5 %².

Out of 14 assets tracked against ASC, IDA lands near the bottom at #11. Correlation aside, the last 12 months split them widely, with ASC ahead by 46.4 points (+58.0% versus +11.6%). Note the risk asymmetry: ASC runs 2.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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 IDA: side by side

ASC (Ardmore Shipping Corporation)IDA (IDACORP, Inc.)
1-year return+58.0%+11.6%
5-year return+514.4%+51.7%
Volatility (ann.)38.9%17.8%
Beta vs S&P 5000.310.10
Max drawdown (3Y)-61.4%-13.6%
Market cap$0.7B$8.0B
P/E (trailing)6.922.9
Dividend yield8.07%2.53%
Sector / categoryUS ListedUS Listed
Lower P/E: ASC 6.9 vs 22.9Higher yield: ASC 8.07% vs 2.53%Smaller drawdown: IDA -13.6% vs -61.4%Higher 5y return: ASC +514.4% vs +51.7%
-13%0%+63%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ASC · IDA

Year-by-year returns

YearASCIDA
2022+326.3%-2.1%
2023+5.8%-6.0%
2024-8.2%+15.0%
2025-11.1%+19.2%
2026+71.7%+10.9%

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

Are ASC and IDA good diversifiers for each other?

By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.

FAQ

What is the correlation between ASC and IDA?

As of 2026-08-27, the correlation of weekly returns between ASC and IDA is -0.20 over 3 years, -0.20 over 1 year and -0.09 over 5 years.

Is IDA a good diversifier for ASC?

By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.

What does a correlation of -0.20 mean?

A reading of -0.20 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-ida.json

ASC vs IDA: 3-year weekly correlation -0.20ASC vs IDA-0.20

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

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Related comparisons

Hubs: ASC correlations · IDA correlations