FSK vs PSEC: Correlation
FS KKR Capital Corp. (FSK) and Prospect Capital Corporation - Closed End Fund (PSEC) show a moderate relationship: their 3-year correlation of weekly returns is 0.53.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSK and PSEC?
Across a 3-year window, the weekly returns of FSK and PSEC correlate at 0.53, moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. Stretching to 5 years gives 0.60, with an annualized covariance of 448.0 %².
Among the 17 assets we track against FSK, PSEC ranks #11 by 3-year correlation. Over the last 12 months PSEC came out ahead by 13.3 percentage points (-19.1% 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.
FSK vs PSEC: side by side
| FSK (FS KKR Capital Corp.) | PSEC (Prospect Capital Corporation - Closed End Fund) | |
|---|---|---|
| 1-year return | -19.1% | -5.8% |
| 5-year return | +10.8% | -45.5% |
| Volatility (ann.) | 26.7% | 31.6% |
| Beta vs S&P 500 | 0.63 | 0.59 |
| Max drawdown (3Y) | -51.0% | -50.5% |
| Market cap | $3.4B | $1.2B |
| P/E (trailing) | – | 38.0 |
| Dividend yield | 17.68% | 25.97% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FSK | PSEC |
|---|---|---|
| 2022 | -4.7% | -8.6% |
| 2023 | +33.0% | -4.1% |
| 2024 | +25.7% | -18.2% |
| 2025 | -20.4% | -28.9% |
| 2026 | -9.9% | -1.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSK and PSEC good diversifiers for each other?
To a limited degree. At 0.53 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 FSK and PSEC?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.54 over the last year and 0.60 over 5 years.
Is PSEC a good diversifier for FSK?
To a limited degree. At 0.53 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 0.53 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
$ curl https://www.pairbook.io/api/v1/pairs/fsk-vs-psec.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fsk-vs-psec/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FSK correlations · PSEC correlations