FDUS vs TSLX: Correlation
Measured on weekly returns over the past three years, Fidus Investment Corporation - Closed End Fund (FDUS) and Sixth Street Specialty Lending, Inc. (TSLX) carry a correlation of 0.71, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FDUS and TSLX?
Across a 3-year window, the weekly returns of FDUS and TSLX correlate at 0.71, strong. The relationship has been stable: the 1-year correlation (0.64) sits close to the 3-year figure. Stretching to 5 years gives 0.66, with an annualized covariance of 254.6 %².
Within FDUS's tracked universe of 21 assets, TSLX comes in at #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with FDUS ahead by 18.7 points (+3.7% versus -15.0%).
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.
FDUS vs TSLX: side by side
| FDUS (Fidus Investment Corporation - Closed End Fund) | TSLX (Sixth Street Specialty Lending, Inc.) | |
|---|---|---|
| 1-year return | +3.7% | -15.0% |
| 5-year return | +100.3% | +35.2% |
| Volatility (ann.) | 17.5% | 20.5% |
| Beta vs S&P 500 | 0.57 | 0.60 |
| Max drawdown (3Y) | -23.9% | -29.0% |
| Market cap | $0.7B | $1.8B |
| P/E (trailing) | 9.5 | 19.9 |
| Dividend yield | 8.73% | 10.04% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FDUS | TSLX |
|---|---|---|
| 2022 | +17.1% | -16.4% |
| 2023 | +20.0% | +35.3% |
| 2024 | +20.5% | +8.8% |
| 2025 | +2.1% | +11.5% |
| 2026 | +8.9% | -9.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FDUS and TSLX good diversifiers for each other?
Only partially. A correlation of 0.71 means FDUS and TSLX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between FDUS and TSLX?
The FDUS/TSLX correlation stands at 0.71 on a 3-year window (1 year: 0.64, 5 years: 0.66), computed from weekly returns as of 2026-08-27.
Is TSLX a good diversifier for FDUS?
Only partially. A correlation of 0.71 means FDUS and TSLX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.71 mean?
On the −1 to +1 scale, 0.71 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/fdus-vs-tslx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fdus-vs-tslx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FDUS correlations · TSLX correlations
