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IMPP vs PSHG: Correlation

Imperial Petroleum Inc. (IMPP) and Performance Shipping Inc. (PSHG) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.

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

Correlation (3Y)
0.37
moderate
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.20
long-run
Ann. covariance
841.7
%² · weekly, annualized

How correlated are IMPP and PSHG?

Over the past 3 years, IMPP and PSHG moved with a correlation of 0.37, which is moderate. Little has changed lately, as the 1-year reading of 0.27 lands near the 3-year figure. Over 5 years the correlation is 0.20, and the annualized covariance of weekly returns is 841.7 %².

Within IMPP's tracked universe of 11 assets, PSHG comes in at #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months IMPP outperformed by 65.0 percentage points (+53.3% for IMPP against -11.7% for PSHG).

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.

IMPP vs PSHG: side by side

IMPP (Imperial Petroleum Inc.)PSHG (Performance Shipping Inc.)
1-year return+53.3%-11.7%
5-year return-95.5%-97.7%
Volatility (ann.)51.6%44.0%
Beta vs S&P 5000.120.16
Max drawdown (3Y)-49.8%-45.3%
Market cap$0.2B
P/E (trailing)3.11.9
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: PSHG 1.9 vs 3.1Smaller drawdown: PSHG -45.3% vs -49.8%Higher 5y return: IMPP -95.5% vs -97.7%
-13%0%+65%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. IMPP · PSHG

Year-by-year returns

YearIMPPPSHG
2022-88.7%-93.6%
2023-27.0%-35.9%
2024+14.0%-18.1%
2025+20.3%+14.5%
2026+39.8%-20.0%

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

Are IMPP and PSHG good diversifiers for each other?

A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between IMPP and PSHG?

Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.27 over the last year and 0.20 over 5 years.

Is PSHG a good diversifier for IMPP?

A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.37 mean?

On the −1 to +1 scale, 0.37 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/impp-vs-pshg.json

IMPP vs PSHG: 3-year weekly correlation 0.37IMPP vs PSHG0.37

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Related comparisons

Hubs: IMPP correlations · PSHG correlations