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ECF vs NSLR: Correlation

Ellsworth Growth and Income Fund Ltd. (ECF) and Neostellar Capital Corp. - Closed End Fund (NSLR) show a moderate relationship: their 3-year correlation of weekly returns is 0.47.

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

Correlation (3Y)
0.47
moderate
Correlation (1Y)
0.56
last 12 months
Correlation (5Y)
0.48
long-run
Ann. covariance
348.0
%² · weekly, annualized

How correlated are ECF and NSLR?

Over the past 3 years, ECF and NSLR moved with a correlation of 0.47, which is moderate. Little has changed lately, as the 1-year reading of 0.56 lands near the 3-year figure. Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 348.0 %².

By 3-year correlation, NSLR places #11 of the 19 assets tracked against ECF. Twelve-month performance is nearly a tie, at +22.9% for ECF and +21.3% for NSLR. One caveat on sizing: NSLR is 2.7 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.

ECF vs NSLR: side by side

ECF (Ellsworth Growth and Income Fund Ltd.)NSLR (Neostellar Capital Corp. - Closed End Fund)
1-year return+22.9%+21.3%
5-year return+25.8%+4.6%
Volatility (ann.)16.5%45.0%
Beta vs S&P 5000.710.97
Max drawdown (3Y)-16.8%-35.6%
Market cap$0.2B$0.3B
P/E (trailing)3.92.5
Dividend yield7.38%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: NSLR 2.5 vs 3.9Higher yield: ECF 7.38% vs 0.00%Smaller drawdown: ECF -16.8% vs -35.6%Higher 5y return: ECF +25.8% vs +4.6%
0%+66%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ECF · NSLR

Year-by-year returns

YearECFNSLR
2022-31.6%-70.3%
2023+8.0%+3.7%
2024+27.5%+49.2%
2025+30.0%+69.9%
2026+10.6%+9.0%

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

Are ECF and NSLR good diversifiers for each other?

A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between ECF and NSLR?

Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.56 over the last year and 0.48 over 5 years.

Is NSLR a good diversifier for ECF?

A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.47 mean?

A reading of 0.47 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/ecf-vs-nslr.json

ECF vs NSLR: 3-year weekly correlation 0.47ECF vs NSLR0.47

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Related comparisons

Hubs: ECF correlations · NSLR correlations