CPSF vs. WNTR

Last updated Jul 15, 2026

CPSF (Calamos S&P 500 Structured Alt Protection ETF - February) and WNTR (YieldMax Short MSTR Option Income Strategy ETF) are both exchange-traded funds - CPSF is a Defined Outcome fund actively managed by Calamos, while WNTR is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, CPSF returned 6.57% vs 119.74% for WNTR. At a correlation of -0.39, they often move in opposite directions. CPSF charges 0.69%/yr vs 1.01%/yr for WNTR.

Performance

CPSF vs. WNTR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) and YieldMax Short MSTR Option Income Strategy ETF (WNTR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CPSF achieves a 2.70% return, which is significantly lower than WNTR's 5.96% return.

CPSF

• 1D: 0.06%
• 1M: 0.42%
• 6M: 2.48%
• YTD: 2.70%
• 1Y: 6.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WNTR

• 1D: -3.79%
• 1M: 13.60%
• 6M: 16.72%
• YTD: 5.96%
• 1Y: 119.74%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CPSF vs. WNTR - Yearly Performance Comparison

	2026 (YTD)	2025
CPSF Calamos S&P 500 Structured Alt Protection ETF - February	2.70%	6.94%
WNTR YieldMax Short MSTR Option Income Strategy ETF	5.96%	52.78%

Correlation

The correlation between CPSF and WNTR is -0.38, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.38
Correlation (All Time) Calculated using the full available price history since Mar 27, 2025	-0.39

Return for Risk

CPSF vs. WNTR — Risk / Return Rank

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

CPSF

CPSF Risk / Return Rank: 95
CPSF Sharpe Ratio Rank: 96
CPSF Sortino Ratio Rank: 97
CPSF Omega Ratio Rank: 96
CPSF Calmar Ratio Rank: 93
CPSF Martin Ratio Rank: 95

WNTR

WNTR Risk / Return Rank: 70
WNTR Sharpe Ratio Rank: 87
WNTR Sortino Ratio Rank: 67
WNTR Omega Ratio Rank: 72
WNTR Calmar Ratio Rank: 71
WNTR Martin Ratio Rank: 53

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.

CPSF vs. WNTR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) and YieldMax Short MSTR Option Income Strategy ETF (WNTR). 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.

	CPSF	WNTR	Difference
Sharpe ratio: Return per unit of total volatility	3.19	2.24	+0.95
Sortino ratio: Return per unit of downside risk	5.01	2.46	+2.55
Omega ratio: Gain probability vs. loss probability	1.67	1.34	+0.34
Calmar ratio: Return relative to maximum drawdown	5.08	2.82	+2.26
Martin ratio: Return relative to average drawdown	24.26	7.24	+17.02

CPSF vs. WNTR - Sharpe Ratio Comparison

The current CPSF Sharpe Ratio is 3.19, which is higher than the WNTR Sharpe Ratio of 2.24. The chart below compares the historical Sharpe Ratios of CPSF and WNTR, 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

CPSF vs. WNTR - Drawdown Comparison

The maximum CPSF drawdown since its inception was -2.89%, smaller than the maximum WNTR drawdown of -42.65%. Use the drawdown chart below to compare losses from any high point for CPSF and WNTR.

Drawdown Indicators

	CPSF	WNTR	Difference
Max Drawdown Largest peak-to-trough decline	-2.89%	-42.65%	+39.76%
Max Drawdown (1Y) Largest decline over 1 year	-1.30%	-42.65%	+41.35%
Current Drawdown Current decline from peak	-0.06%	-13.55%	+13.49%
Average Drawdown Average peak-to-trough decline	-0.34%	-20.51%	+20.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.27%	16.60%	-16.33%

Volatility

CPSF vs. WNTR - Volatility Comparison

The current volatility for Calamos S&P 500 Structured Alt Protection ETF - February (CPSF) is 0.49%, while YieldMax Short MSTR Option Income Strategy ETF (WNTR) has a volatility of 19.07%. This indicates that CPSF experiences smaller price fluctuations and is considered to be less risky than WNTR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CPSF	WNTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.49%	19.07%	-18.58%
Volatility (6M) Calculated over the trailing 6-month period	1.49%	47.38%	-45.89%
Volatility (1Y) Calculated over the trailing 1-year period	2.07%	53.89%	-51.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.76%	53.60%	-50.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.76%	53.60%	-50.84%

CPSF vs. WNTR - Expense Ratio Comparison

CPSF has a 0.69% expense ratio, which is lower than WNTR's 1.01% expense ratio.

Dividends

CPSF vs. WNTR - Dividend Comparison

CPSF has not paid dividends to shareholders, while WNTR's dividend yield for the trailing twelve months is around 106.17%.

Position	TTM	2025
CPSF Calamos S&P 500 Structured Alt Protection ETF - February	0.00%	0.00%
WNTR YieldMax Short MSTR Option Income Strategy ETF	106.17%	58.56%

Frequently Asked Questions

Can I hold both CPSF and WNTR in my portfolio?

CPSF and WNTR have a correlation of -0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CPSF or WNTR?

WNTR has higher volatility (19.07%) compared to CPSF (0.49%). In terms of maximum drawdown, CPSF dropped -2.89% vs WNTR's -42.65%.

Which ETF is better, CPSF or WNTR?

On 1-year performance, WNTR leads with 119.74% vs 6.57% for CPSF. On fees, CPSF is cheaper at 0.69% per year. On volatility, CPSF has been the lower-risk option at 0.49%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CPSF or WNTR?

Over the 1-year period, WNTR has performed better with a 119.74% return vs 6.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CPSF or WNTR?

CPSF is cheaper with a 0.69% expense ratio, compared with 1.01% for WNTR.

Which ETF pays a higher dividend yield, CPSF or WNTR?

WNTR has the higher dividend yield at 106.17%, compared with 0.00% for CPSF.

What is the main difference between CPSF and WNTR?

CPSF is categorized as Defined Outcome, while WNTR is Derivative Income. They also come from different issuers: Calamos and YieldMax. Their fees differ too: 0.69% for CPSF and 1.01% for WNTR.

Which has better risk-adjusted returns?

CPSF currently has the higher Sharpe Ratio (3.19 vs 2.24), 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.