FSK vs. USFR

Last updated Jul 15, 2026

FSK (FS KKR Capital Corp.) is a stock, while USFR (WisdomTree Floating Rate Treasury Fund) is Government Bonds fund tracking the Bloomberg U.S. Treasury Floating Rate Bond Index. Over the past 10 years, FSK returned 2.36%/yr vs 2.50%/yr for USFR. At a correlation of -0.01, they often move in opposite directions.

Performance

FSK vs. USFR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FS KKR Capital Corp. (FSK) and WisdomTree Floating Rate Treasury Fund (USFR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSK achieves a -20.47% return, which is significantly lower than USFR's 2.07% return. Over the past 10 years, FSK has underperformed USFR with an annualized return of 2.36%, while USFR has yielded a comparatively higher 2.50% annualized return.

FSK

• 1D: -0.19%
• 1M: 1.51%
• 6M: -18.09%
• YTD: -20.47%
• 1Y: -41.05%
• 3Y*: -4.48%
• 5Y*: 1.27%
• 10Y*: 2.36%

USFR

• 1D: 0.02%
• 1M: 0.34%
• 6M: 1.94%
• YTD: 2.07%
• 1Y: 4.00%
• 3Y*: 4.72%
• 5Y*: 3.76%
• 10Y*: 2.50%

*Multi-year figures are annualized to reflect compound growth (CAGR)

FSK vs. USFR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSK FS KKR Capital Corp.	-20.47%	-20.38%	25.71%	33.04%	-4.71%	41.59%	-10.27%	33.89%	-20.23%	-21.23%
USFR WisdomTree Floating Rate Treasury Fund	2.07%	4.23%	5.47%	5.18%	1.98%	-0.03%	0.56%	2.02%	2.01%	1.03%

Correlation

The correlation between FSK and USFR is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (5Y) Calculated over the trailing 5-year period	-0.03
Correlation (10Y) Calculated over the trailing 10-year period	-0.01
Correlation (All Time) Calculated using the full available price history since Apr 16, 2014	-0.01

Return for Risk

FSK vs. USFR — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FSK

FSK Risk / Return Rank: 8
FSK Sharpe Ratio Rank: 1
FSK Sortino Ratio Rank: 4
FSK Omega Ratio Rank: 4
FSK Calmar Ratio Rank: 12
FSK Martin Ratio Rank: 18

USFR

USFR Risk / Return Rank: 100
USFR Sharpe Ratio Rank: 100
USFR Sortino Ratio Rank: 100
USFR Omega Ratio Rank: 100
USFR Calmar Ratio Rank: 100
USFR Martin Ratio Rank: 100

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FSK vs. USFR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FS KKR Capital Corp. (FSK) and WisdomTree Floating Rate Treasury Fund (USFR). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	FSK	USFR	Difference
Sharpe ratio: Return per unit of total volatility	-1.32	14.93	-16.25
Sortino ratio: Return per unit of downside risk	-1.91	51.92	-53.82
Omega ratio: Gain probability vs. loss probability	0.75	14.15	-13.39
Calmar ratio: Return relative to maximum drawdown	-0.81	201.66	-202.47
Martin ratio: Return relative to average drawdown	-1.17	805.42	-806.59

FSK vs. USFR - Sharpe Ratio Comparison

The current FSK Sharpe Ratio is -1.32, which is lower than the USFR Sharpe Ratio of 14.93. The chart below compares the historical Sharpe Ratios of FSK and USFR, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FSK vs. USFR - Drawdown Comparison

The maximum FSK drawdown since its inception was -67.20%, which is greater than USFR's maximum drawdown of -1.36%. Use the drawdown chart below to compare losses from any high point for FSK and USFR.

Drawdown Indicators

	FSK	USFR	Difference
Max Drawdown Largest peak-to-trough decline	-67.20%	-1.36%	-65.84%
Max Drawdown (1Y) Largest decline over 1 year	-51.01%	-0.02%	-50.99%
Max Drawdown (3Y) Largest decline over 3 years	-51.03%	-0.06%	-50.97%
Max Drawdown (5Y) Largest decline over 5 years	-51.03%	-0.18%	-50.85%
Max Drawdown (10Y) Largest decline over 10 years	-67.20%	-0.80%	-66.40%
Current Drawdown Current decline from peak	-42.84%	0.00%	-42.84%
Average Drawdown Average peak-to-trough decline	-13.73%	-0.15%	-13.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	35.21%	0.00%	+35.21%

Volatility

FSK vs. USFR - Volatility Comparison

FS KKR Capital Corp. (FSK) has a higher volatility of 6.74% compared to WisdomTree Floating Rate Treasury Fund (USFR) at 0.07%. This indicates that FSK's price experiences larger fluctuations and is considered to be riskier than USFR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSK	USFR	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.74%	0.07%	+6.67%
Volatility (6M) Calculated over the trailing 6-month period	26.85%	0.19%	+26.66%
Volatility (1Y) Calculated over the trailing 1-year period	31.19%	0.27%	+30.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.17%	0.39%	+23.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.95%	0.77%	+27.18%

Dividends

FSK vs. USFR - Dividend Comparison

FSK's dividend yield for the trailing twelve months is around 21.32%, more than USFR's 3.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSK FS KKR Capital Corp.	21.32%	18.91%	13.35%	14.77%	15.20%	11.80%	15.46%	12.40%	16.41%	11.68%	8.65%	9.91%
USFR WisdomTree Floating Rate Treasury Fund	3.83%	4.15%	5.17%	5.12%	1.78%	0.01%	0.40%	2.08%	1.67%	1.03%	0.29%	0.00%

Frequently Asked Questions

Can I hold both FSK and USFR in my portfolio?

FSK and USFR have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSK or USFR?

FSK has higher volatility (6.74%) compared to USFR (0.07%). In terms of maximum drawdown, FSK dropped -67.20% vs USFR's -1.36%.

Which has better risk-adjusted returns?

USFR currently has the higher Sharpe Ratio (14.93 vs -1.32), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.