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CLST vs PUMP: Correlation

How closely do Catalyst Bancorp, Inc. (CLST) and ProPetro Holding Corp. (PUMP) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.

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

Correlation (3Y)
0.28
weak
Correlation (1Y)
0.40
last 12 months
Correlation (5Y)
0.27
long-run
Ann. covariance
242.2
%² · weekly, annualized

How correlated are CLST and PUMP?

On 3 years of weekly data the CLST/PUMP correlation comes out at 0.28, weak. Lately the two have moved closer together, with the 1-year correlation at 0.40 versus 0.28 over 3 years. The 5-year figure is 0.27, and annualized covariance runs at 242.2 %².

Among the 12 assets we track against CLST, PUMP ranks #5 by 3-year correlation. The last year tells two different stories: PUMP led by 92.3 percentage points, +35.9% for CLST against +128.2% for PUMP. Note the risk asymmetry: PUMP runs 4.9 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.

CLST vs PUMP: side by side

CLST (Catalyst Bancorp, Inc.)PUMP (ProPetro Holding Corp.)
1-year return+35.9%+128.2%
5-year return+28.2%+45.4%
Volatility (ann.)13.2%65.1%
Beta vs S&P 5000.080.73
Max drawdown (3Y)-12.7%-59.1%
Market cap$0.1B$1.4B
P/E (trailing)31.1
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: CLST -12.7% vs -59.1%Higher 5y return: PUMP +45.4% vs +28.2%
-2%0%+266%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CLST · PUMP

Year-by-year returns

YearCLSTPUMP
2022-7.1%+28.0%
2023-14.6%-19.2%
2024+8.6%+11.3%
2025+33.8%+1.9%
2026+10.4%+17.6%

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

Are CLST and PUMP good diversifiers for each other?

Reasonably. At 0.28, CLST and PUMP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CLST and PUMP?

As of 2026-08-27, the correlation of weekly returns between CLST and PUMP is 0.28 over 3 years, 0.40 over 1 year and 0.27 over 5 years.

Is PUMP a good diversifier for CLST?

Reasonably. At 0.28, CLST and PUMP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.28 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

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CLST vs PUMP: 3-year weekly correlation 0.28CLST vs PUMP0.28

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Related comparisons

Hubs: CLST correlations · PUMP correlations