OCSL vs PSEC: Correlation
Measured on weekly returns over the past three years, Oaktree Specialty Lending Corporation - Closed End Fund (OCSL) and Prospect Capital Corporation - Closed End Fund (PSEC) carry a correlation of 0.52, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OCSL and PSEC?
Over the past 3 years, OCSL and PSEC moved with a correlation of 0.52, which is moderate. Recent behaviour matches the longer record: 0.50 over 1 year against 0.52 over 3. Over 5 years the correlation is 0.57, and the annualized covariance of weekly returns is 359.5 %².
Within OCSL's tracked universe of 15 assets, PSEC comes in at #8 by 3-year correlation. Over the last 12 months OCSL came out ahead by 11.2 percentage points (+5.4% against -5.8%).
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.
OCSL vs PSEC: side by side
| OCSL (Oaktree Specialty Lending Corporation - Closed End Fund) | PSEC (Prospect Capital Corporation - Closed End Fund) | |
|---|---|---|
| 1-year return | +5.4% | -5.8% |
| 5-year return | +5.8% | -45.5% |
| Volatility (ann.) | 21.7% | 31.6% |
| Beta vs S&P 500 | 0.62 | 0.59 |
| Max drawdown (3Y) | -34.2% | -50.5% |
| Market cap | $1.1B | $1.2B |
| P/E (trailing) | 27.0 | 38.0 |
| Dividend yield | 11.49% | 25.97% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OCSL | PSEC |
|---|---|---|
| 2022 | +3.7% | -8.6% |
| 2023 | +11.3% | -4.1% |
| 2024 | -15.1% | -18.2% |
| 2025 | -6.1% | -28.9% |
| 2026 | +8.7% | -1.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OCSL and PSEC good diversifiers for each other?
To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between OCSL and PSEC?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.50 over the last year and 0.57 over 5 years.
Is PSEC a good diversifier for OCSL?
To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.52 mean?
A reading of 0.52 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
$ curl https://www.pairbook.io/api/v1/pairs/ocsl-vs-psec.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ocsl-vs-psec/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OCSL correlations · PSEC correlations