FSK vs NMFC: Correlation
FS KKR Capital Corp. (FSK) and New Mountain Finance Corporation (NMFC) show a strong relationship: their 3-year correlation of weekly returns is 0.76.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSK and NMFC?
Over the past 3 years, FSK and NMFC moved with a correlation of 0.76, which is strong. Little has changed lately, as the 1-year reading of 0.84 lands near the 3-year figure. Over 5 years the correlation is 0.72, and the annualized covariance of weekly returns is 400.1 %².
In FSK's tracked universe of 17 assets, NMFC sits right near the top at #2. Their 12-month results are close: -19.1% for FSK against -16.1% for NMFC.
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 NMFC: side by side
| FSK (FS KKR Capital Corp.) | NMFC (New Mountain Finance Corporation) | |
|---|---|---|
| 1-year return | -19.1% | -16.1% |
| 5-year return | +10.8% | +1.4% |
| Volatility (ann.) | 26.7% | 19.7% |
| Beta vs S&P 500 | 0.63 | 0.53 |
| Max drawdown (3Y) | -51.0% | -30.6% |
| Market cap | $3.4B | $0.7B |
| P/E (trailing) | – | – |
| Dividend yield | 17.68% | 15.98% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FSK | NMFC |
|---|---|---|
| 2022 | -4.7% | -0.6% |
| 2023 | +33.0% | +15.8% |
| 2024 | +25.7% | -0.9% |
| 2025 | -20.4% | -7.2% |
| 2026 | -9.9% | -10.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSK and NMFC good diversifiers for each other?
To a limited degree. At 0.76 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 NMFC?
The FSK/NMFC correlation stands at 0.76 on a 3-year window (1 year: 0.84, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is NMFC a good diversifier for FSK?
To a limited degree. At 0.76 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 0.76 mean?
A reading of 0.76 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/fsk-vs-nmfc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fsk-vs-nmfc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FSK correlations · NMFC correlations
