FSK vs. PSEC

Last updated Jun 3, 2026

FSK (FS KKR Capital Corp.) and PSEC (Prospect Capital Corporation) are both stocks. Both operate in the Asset Management industry within the Financial Services sector. Over the past 10 years, FSK returned 2.54%/yr vs 0.63%/yr for PSEC. A 0.52 correlation means they provide meaningful diversification when combined.

Performance

FSK vs. PSEC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FS KKR Capital Corp. (FSK) and Prospect Capital Corporation (PSEC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSK achieves a -22.79% return, which is significantly lower than PSEC's 1.34% return. Over the past 10 years, FSK has outperformed PSEC with an annualized return of 2.54%, while PSEC has yielded a comparatively lower 0.63% annualized return.

FSK

• 1D: 0.00%
• 1M: -5.63%
• YTD: -22.79%
• 6M: -24.37%
• 1Y: -38.78%
• 3Y*: -4.25%
• 5Y*: -0.49%
• 10Y*: 2.54%

PSEC

• 1D: -1.63%
• 1M: -12.56%
• YTD: 1.34%
• 6M: 2.01%
• 1Y: -8.85%
• 3Y*: -15.46%
• 5Y*: -12.62%
• 10Y*: 0.63%

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

FSK vs. PSEC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSK FS KKR Capital Corp.	-22.79%	-20.38%	25.71%	33.04%	-4.71%	41.59%	-10.27%	33.89%	-20.23%	-21.23%
PSEC Prospect Capital Corporation	1.34%	-28.86%	-18.16%	-4.13%	-8.61%	70.00%	-3.54%	13.83%	4.09%	-9.44%

Correlation

The correlation between FSK and PSEC is 0.52, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.52
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.62
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Apr 17, 2014	0.52

The correlation between FSK and PSEC shifts across timeframes, from 0.52 (1 year) to 0.62 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS FSK : -$0.39 PSEC : -$0.28
PS Ratio FSK : 3.83 PSEC : 5.45
Total Revenue (TTM) FSK : $798.00M PSEC : $151.90M
Gross Profit (TTM) FSK : $172.00M PSEC : -$59.07M
EBITDA (TTM) FSK : $110.43M PSEC : -$94.23M

Return for Risk

FSK vs. PSEC — Risk / Return Rank

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

FSK

FSK Risk / Return Rank: 6
FSK Sharpe Ratio Rank: 1
FSK Sortino Ratio Rank: 3
FSK Omega Ratio Rank: 3
FSK Calmar Ratio Rank: 12
FSK Martin Ratio Rank: 13

PSEC

PSEC Risk / Return Rank: 27
PSEC Sharpe Ratio Rank: 29
PSEC Sortino Ratio Rank: 26
PSEC Omega Ratio Rank: 26
PSEC Calmar Ratio Rank: 27
PSEC Martin Ratio Rank: 26

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. PSEC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FS KKR Capital Corp. (FSK) and Prospect Capital Corporation (PSEC). 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.

	FSK	PSEC	Difference
Sharpe ratio Return per unit of total volatility	-1.28	-0.27	-1.01
Sortino ratio Return per unit of downside risk	-1.79	-0.17	-1.62
Omega ratio Gain probability vs. loss probability	0.76	0.98	-0.22
Calmar ratio Return relative to maximum drawdown	-0.77	-0.40	-0.37
Martin ratio Return relative to average drawdown	-1.23	-0.74	-0.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSK vs. PSEC - Sharpe Ratio Comparison

The current FSK Sharpe Ratio is -1.28, which is lower than the PSEC Sharpe Ratio of -0.27. The chart below compares the historical Sharpe Ratios of FSK and PSEC, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FSK	PSEC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.28	-0.27	-1.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.02	-0.45	+0.43
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.09	0.02	+0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	0.09	+0.01

Drawdowns

FSK vs. PSEC - Drawdown Comparison

The maximum FSK drawdown since its inception was -67.20%, which is greater than PSEC's maximum drawdown of -61.51%. Use the drawdown chart below to compare losses from any high point for FSK and PSEC.

Drawdown Indicators

	FSK	PSEC	Difference
Max Drawdown Largest peak-to-trough decline	-67.20%	-61.51%	-5.69%
Max Drawdown (1Y) Largest decline over 1 year	-51.01%	-27.04%	-23.97%
Max Drawdown (3Y) Largest decline over 3 years	-51.03%	-50.64%	-0.39%
Max Drawdown (5Y) Largest decline over 5 years	-51.03%	-57.21%	+6.18%
Max Drawdown (10Y) Largest decline over 10 years	-67.20%	-57.21%	-9.99%
Current Drawdown Current decline from peak	-44.51%	-51.10%	+6.59%
Average Drawdown Average peak-to-trough decline	-13.45%	-15.59%	+2.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	31.90%	14.51%	+17.39%

Volatility

FSK vs. PSEC - Volatility Comparison

The current volatility for FS KKR Capital Corp. (FSK) is 6.87%, while Prospect Capital Corporation (PSEC) has a volatility of 14.46%. This indicates that FSK experiences smaller price fluctuations and is considered to be less risky than PSEC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSK	PSEC	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.87%	14.46%	-7.59%
Volatility (6M) Calculated over the trailing 6-month period	26.55%	26.50%	+0.05%
Volatility (1Y) Calculated over the trailing 1-year period	30.51%	33.21%	-2.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.05%	27.94%	-3.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.90%	27.28%	+0.62%

Dividends

FSK vs. PSEC - Dividend Comparison

FSK's dividend yield for the trailing twelve months is around 23.67%, more than PSEC's 21.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSK FS KKR Capital Corp.	23.67%	18.91%	13.35%	14.77%	15.20%	11.80%	15.46%	12.40%	16.41%	11.68%	8.65%	9.91%
PSEC Prospect Capital Corporation	21.90%	20.85%	16.01%	12.02%	10.30%	8.56%	13.31%	11.18%	11.41%	13.45%	11.98%	14.72%

Financials

FSK vs. PSEC - Profitability Comparison

The chart below illustrates the profitability comparison between FS KKR Capital Corp. and Prospect Capital Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

FSK - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, FS KKR Capital Corp. reported a gross profit of 0.00 and revenue of 304.00M. Therefore, the gross margin over that period was 0.0%.

PSEC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Prospect Capital Corporation reported a gross profit of 0.00 and revenue of 123.07M. Therefore, the gross margin over that period was 0.0%.

FSK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, FS KKR Capital Corp. reported an operating income of -1.57M and revenue of 304.00M, resulting in an operating margin of -0.5%.

PSEC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Prospect Capital Corporation reported an operating income of 0.00 and revenue of 123.07M, resulting in an operating margin of 0.0%.

FSK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, FS KKR Capital Corp. reported a net income of 0.00 and revenue of 304.00M, resulting in a net margin of 0.0%.

PSEC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Prospect Capital Corporation reported a net income of 0.00 and revenue of 123.07M, resulting in a net margin of 0.0%.

Frequently Asked Questions

Can I hold both FSK and PSEC in my portfolio?

FSK and PSEC have a correlation of 0.52, 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 PSEC?

PSEC has higher volatility (14.46%) compared to FSK (6.87%). In terms of maximum drawdown, FSK dropped -67.20% vs PSEC's -61.51%.

Which has better risk-adjusted returns?

PSEC currently has the higher Sharpe Ratio (-0.27 vs -1.27), 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.