FSK vs. TSLY

Last updated Jun 9, 2026

FSK (FS KKR Capital Corp.) is a stock, while TSLY (YieldMax TSLA Option Income Strategy ETF) is Options Trading fund actively managed by YieldMax. Over the past 3 years, FSK returned -5.35%/yr vs 11.84%/yr for TSLY. At a 0.27 correlation, their price movements are largely independent.

Performance

FSK vs. TSLY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FS KKR Capital Corp. (FSK) and YieldMax TSLA Option Income Strategy ETF (TSLY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSK achieves a -24.63% return, which is significantly lower than TSLY's -4.80% return.

FSK

• 1D: -0.56%
• 1M: -1.85%
• YTD: -24.63%
• 6M: -28.17%
• 1Y: -40.83%
• 3Y*: -5.35%
• 5Y*: -1.31%
• 10Y*: 2.27%

TSLY

• 1D: 4.18%
• 1M: -3.87%
• YTD: -4.80%
• 6M: -2.72%
• 1Y: 38.89%
• 3Y*: 11.84%
• 5Y*: —
• 10Y*: —

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

FSK vs. TSLY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
FSK FS KKR Capital Corp.	-24.63%	-20.38%	25.71%	33.04%	-7.52%
TSLY YieldMax TSLA Option Income Strategy ETF	-4.80%	13.62%	27.83%	50.69%	-27.09%

Correlation

The correlation between FSK and TSLY is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.25
Correlation (All Time) Calculated using the full available price history since Nov 23, 2022	0.27

Return for Risk

FSK vs. TSLY — 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: 11
FSK Martin Ratio Rank: 13

TSLY

TSLY Risk / Return Rank: 34
TSLY Sharpe Ratio Rank: 33
TSLY Sortino Ratio Rank: 33
TSLY Omega Ratio Rank: 32
TSLY Calmar Ratio Rank: 40
TSLY Martin Ratio Rank: 32

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. TSLY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FS KKR Capital Corp. (FSK) and YieldMax TSLA Option Income Strategy ETF (TSLY). 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	TSLY	Difference
Sharpe ratio: Return per unit of total volatility	-1.34	1.09	-2.43
Sortino ratio: Return per unit of downside risk	-1.92	1.60	-3.51
Omega ratio: Gain probability vs. loss probability	0.75	1.19	-0.45
Calmar ratio: Return relative to maximum drawdown	-0.80	1.81	-2.61
Martin ratio: Return relative to average drawdown	-1.26	4.37	-5.63
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. TSLY - Sharpe Ratio Comparison

The current FSK Sharpe Ratio is -1.34, which is lower than the TSLY Sharpe Ratio of 1.09. The chart below compares the historical Sharpe Ratios of FSK and TSLY, 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	TSLY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.34	1.09	-2.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.05	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.08	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.09	0.28	-0.19

Drawdowns

FSK vs. TSLY - Drawdown Comparison

The maximum FSK drawdown since its inception was -67.20%, which is greater than TSLY's maximum drawdown of -49.52%. Use the drawdown chart below to compare losses from any high point for FSK and TSLY.

Drawdown Indicators

	FSK	TSLY	Difference
Max Drawdown Largest peak-to-trough decline	-67.20%	-49.52%	-17.68%
Max Drawdown (1Y) Largest decline over 1 year	-51.01%	-21.64%	-29.37%
Max Drawdown (3Y) Largest decline over 3 years	-51.03%	-49.52%	-1.51%
Max Drawdown (5Y) Largest decline over 5 years	-51.03%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-67.20%	—	—
Current Drawdown Current decline from peak	-45.83%	-10.98%	-34.85%
Average Drawdown Average peak-to-trough decline	-13.50%	-19.97%	+6.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	32.40%	8.93%	+23.47%

Volatility

FSK vs. TSLY - Volatility Comparison

The current volatility for FS KKR Capital Corp. (FSK) is 6.18%, while YieldMax TSLA Option Income Strategy ETF (TSLY) has a volatility of 12.39%. This indicates that FSK experiences smaller price fluctuations and is considered to be less risky than TSLY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSK	TSLY	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.18%	12.39%	-6.21%
Volatility (6M) Calculated over the trailing 6-month period	26.52%	23.46%	+3.06%
Volatility (1Y) Calculated over the trailing 1-year period	30.67%	35.88%	-5.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.07%	45.60%	-21.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.92%	45.60%	-17.68%

Dividends

FSK vs. TSLY - Dividend Comparison

FSK's dividend yield for the trailing twelve months is around 24.25%, less than TSLY's 88.79% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSK FS KKR Capital Corp.	24.25%	18.91%	13.35%	14.77%	15.20%	11.80%	15.46%	12.40%	16.41%	11.68%	8.65%	9.91%
TSLY YieldMax TSLA Option Income Strategy ETF	88.79%	91.19%	82.30%	76.47%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FSK and TSLY in my portfolio?

FSK and TSLY have a correlation of 0.17, 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 TSLY?

TSLY has higher volatility (12.39%) compared to FSK (6.18%). In terms of maximum drawdown, FSK dropped -67.20% vs TSLY's -49.52%.

Which has better risk-adjusted returns?

TSLY currently has the higher Sharpe Ratio (1.09 vs -1.34), 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.