FFOX vs. WNTR

Last updated Aug 4, 2026

FFOX (FundX Future Fund Opportunities ETF) and WNTR (YieldMax MSTR Short Option Income Strategy ETF) are both exchange-traded funds - FFOX is a Mid Cap Growth Equities fund actively managed by FundX, while WNTR is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, FFOX returned 17.46% vs 106.92% for WNTR. Their -0.39 correlation means they have often moved in opposite directions in the past. FFOX charges 1.02%/yr vs 1.00%/yr for WNTR.

Performance

FFOX vs. WNTR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FundX Future Fund Opportunities ETF (FFOX) and YieldMax MSTR Short 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, FFOX achieves a 8.87% return, which is significantly lower than WNTR's 10.51% return.

FFOX

• 1D: 2.27%
• 1M: -2.02%
• 6M: 5.10%
• YTD: 8.87%
• 1Y: 17.46%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 17.29%

WNTR

• 1D: -0.22%
• 1M: 7.89%
• 6M: 8.31%
• YTD: 10.51%
• 1Y: 106.92%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 47.29%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FFOX FundX Future Fund Opportunities ETF	$395.01K	$437.64K	$512.79K
WNTR YieldMax MSTR Short Option Income Strategy ETF	$3.92M	$3.66M	$3.95M

FFOX vs. WNTR - Yearly Performance Comparison

	2026 (YTD)	2025
FFOX FundX Future Fund Opportunities ETF	8.87%	10.29%
WNTR YieldMax MSTR Short Option Income Strategy ETF	10.51%	87.09%

Correlation

The correlation between FFOX and WNTR is -0.41, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.41
Correlation (All Time) Calculated using the full available price history since Jun 10, 2025	-0.39

Return for Risk

FFOX vs. WNTR — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FFOX

FFOX Risk / Return Rank: 37
FFOX Sharpe Ratio Rank: 36
FFOX Sortino Ratio Rank: 37
FFOX Omega Ratio Rank: 34
FFOX Calmar Ratio Rank: 37
FFOX Martin Ratio Rank: 42

WNTR

WNTR Risk / Return Rank: 69
WNTR Sharpe Ratio Rank: 83
WNTR Sortino Ratio Rank: 67
WNTR Omega Ratio Rank: 71
WNTR Calmar Ratio Rank: 70
WNTR Martin Ratio Rank: 53

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FFOX vs. WNTR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FundX Future Fund Opportunities ETF (FFOX) and YieldMax MSTR Short 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.

	FFOX	WNTR	Difference
Sharpe ratio: Return per unit of total volatility	0.98	1.97	-0.99
Sortino ratio: Return per unit of downside risk	1.51	2.27	-0.76
Omega ratio: Gain probability vs. loss probability	1.17	1.30	-0.13
Calmar ratio: Return relative to maximum drawdown	1.41	2.52	-1.11
Martin ratio: Return relative to average drawdown	5.01	6.38	-1.37

FFOX vs. WNTR - Sharpe Ratio Comparison

The current FFOX Sharpe Ratio is 0.98, which is lower than the WNTR Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of FFOX 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

FFOX vs. WNTR - Drawdown Comparison

The maximum FFOX drawdown since its inception was -12.41%, smaller than the maximum WNTR drawdown of -42.65%. Use the drawdown chart below to compare losses from any high point for FFOX and WNTR.

Drawdown Indicators

	FFOX	WNTR	Difference
Max Drawdown Largest peak-to-trough decline	-12.41%	-42.65%	+30.24%
Max Drawdown (1Y) Largest decline over 1 year	-12.41%	-42.65%	+30.24%
Current Drawdown Current decline from peak	-2.85%	-9.84%	+6.99%
Average Drawdown Average peak-to-trough decline	-2.31%	-20.15%	+17.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.49%	16.83%	-13.34%

Volatility

FFOX vs. WNTR - Volatility Comparison

The current volatility for FundX Future Fund Opportunities ETF (FFOX) is 4.88%, while YieldMax MSTR Short Option Income Strategy ETF (WNTR) has a volatility of 13.00%. This indicates that FFOX 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

	FFOX	WNTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.88%	13.00%	-8.12%
Volatility (6M) Calculated over the trailing 6-month period	14.10%	47.22%	-33.12%
Volatility (1Y) Calculated over the trailing 1-year period	18.00%	54.66%	-36.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.36%	53.34%	-35.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.36%	53.34%	-35.98%

FFOX vs. WNTR - Expense Ratio Comparison

FFOX has a 1.02% expense ratio, which is higher than WNTR's 1.00% expense ratio.

Dividends

FFOX vs. WNTR - Dividend Comparison

FFOX's dividend yield for the trailing twelve months is around 1.67%, less than WNTR's 107.26% yield.

Position	TTM	2025
FFOX FundX Future Fund Opportunities ETF	1.67%	1.81%
WNTR YieldMax MSTR Short Option Income Strategy ETF	107.26%	58.56%

Frequently Asked Questions

Can I hold both FFOX and WNTR in my portfolio?

FFOX and WNTR have a correlation of -0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FFOX or WNTR?

WNTR has higher volatility (13.00%) compared to FFOX (4.88%). In terms of maximum drawdown, FFOX dropped -12.41% vs WNTR's -42.65%.

Which ETF is better, FFOX or WNTR?

On 1-year performance, WNTR leads with 106.92% vs 17.46% for FFOX. On fees, WNTR is cheaper at 1.00% per year. On volatility, FFOX has been the lower-risk option at 4.88%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FFOX or WNTR?

Over the 1-year period, WNTR has performed better with a 106.92% return vs 17.46%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FFOX or WNTR?

WNTR is cheaper with a 1.00% expense ratio, compared with 1.02% for FFOX.

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

WNTR has the higher dividend yield at 107.26%, compared with 1.67% for FFOX.

What is the main difference between FFOX and WNTR?

FFOX is categorized as Mid Cap Growth Equities, while WNTR is Derivative Income. They also come from different issuers: FundX and YieldMax. Their fees differ too: 1.02% for FFOX and 1.00% for WNTR.

Which has better risk-adjusted returns?

WNTR currently has the higher Sharpe Ratio (1.97 vs 0.98), 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.