IAPR vs. WNTR

Last updated Jul 12, 2026

IAPR (Innovator International Developed Power Buffer ETF - April) and WNTR (YieldMax Short MSTR Option Income Strategy ETF) are both exchange-traded funds - IAPR is a Defined Outcome fund tracking the MSCI EAFE, while WNTR is a Derivative Income fund actively managed by YieldMax. IAPR is passively managed, while WNTR is actively managed. Over the past year, IAPR returned 14.14% vs 116.49% for WNTR. At a correlation of -0.37, they often move in opposite directions. IAPR charges 0.85%/yr vs 1.01%/yr for WNTR.

Performance

IAPR vs. WNTR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator International Developed Power Buffer ETF - April (IAPR) and YieldMax Short MSTR Option Income Strategy ETF (WNTR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with IAPR having a 8.07% return and WNTR slightly lower at 8.06%.

IAPR

• 1D: 0.20%
• 1M: 0.53%
• 6M: 7.20%
• YTD: 8.07%
• 1Y: 14.14%
• 3Y*: 10.55%
• 5Y*: 5.33%
• 10Y*: —

WNTR

• 1D: -0.43%
• 1M: 15.85%
• 6M: 10.45%
• YTD: 8.06%
• 1Y: 116.49%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IAPR vs. WNTR - Yearly Performance Comparison

	2026 (YTD)	2025
IAPR Innovator International Developed Power Buffer ETF - April	8.07%	10.18%
WNTR YieldMax Short MSTR Option Income Strategy ETF	8.06%	52.78%

Correlation

The correlation between IAPR and WNTR is -0.37, 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	-0.37
Correlation (All Time) Calculated using the full available price history since Mar 27, 2025	-0.37

Return for Risk

IAPR vs. WNTR — Risk / Return Rank

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

IAPR

IAPR Risk / Return Rank: 86
IAPR Sharpe Ratio Rank: 76
IAPR Sortino Ratio Rank: 84
IAPR Omega Ratio Rank: 82
IAPR Calmar Ratio Rank: 93
IAPR Martin Ratio Rank: 94

WNTR

WNTR Risk / Return Rank: 65
WNTR Sharpe Ratio Rank: 81
WNTR Sortino Ratio Rank: 63
WNTR Omega Ratio Rank: 67
WNTR Calmar Ratio Rank: 65
WNTR Martin Ratio Rank: 49

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.

IAPR vs. WNTR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator International Developed Power Buffer ETF - April (IAPR) 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.

	IAPR	WNTR	Difference
Sharpe ratio: Return per unit of total volatility	1.94	2.06	-0.13
Sortino ratio: Return per unit of downside risk	2.96	2.34	+0.62
Omega ratio: Gain probability vs. loss probability	1.38	1.32	+0.07
Calmar ratio: Return relative to maximum drawdown	5.33	2.60	+2.72
Martin ratio: Return relative to average drawdown	19.97	6.69	+13.28

IAPR vs. WNTR - Sharpe Ratio Comparison

The current IAPR Sharpe Ratio is 1.94, which is comparable to the WNTR Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of IAPR 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

IAPR vs. WNTR - Drawdown Comparison

The maximum IAPR drawdown since its inception was -17.73%, smaller than the maximum WNTR drawdown of -42.65%. Use the drawdown chart below to compare losses from any high point for IAPR and WNTR.

Drawdown Indicators

	IAPR	WNTR	Difference
Max Drawdown Largest peak-to-trough decline	-17.73%	-42.65%	+24.92%
Max Drawdown (1Y) Largest decline over 1 year	-2.56%	-42.65%	+40.09%
Max Drawdown (3Y) Largest decline over 3 years	-9.46%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-17.73%	—	—
Current Drawdown Current decline from peak	-0.66%	-11.84%	+11.18%
Average Drawdown Average peak-to-trough decline	-3.81%	-20.57%	+16.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.69%	16.58%	-15.89%

Volatility

IAPR vs. WNTR - Volatility Comparison

The current volatility for Innovator International Developed Power Buffer ETF - April (IAPR) is 2.71%, while YieldMax Short MSTR Option Income Strategy ETF (WNTR) has a volatility of 18.80%. This indicates that IAPR 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

	IAPR	WNTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.71%	18.80%	-16.09%
Volatility (6M) Calculated over the trailing 6-month period	6.04%	47.57%	-41.53%
Volatility (1Y) Calculated over the trailing 1-year period	7.05%	53.81%	-46.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.92%	53.62%	-44.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.78%	53.62%	-44.84%

IAPR vs. WNTR - Expense Ratio Comparison

IAPR has a 0.85% expense ratio, which is lower than WNTR's 1.01% expense ratio.

Dividends

IAPR vs. WNTR - Dividend Comparison

IAPR has not paid dividends to shareholders, while WNTR's dividend yield for the trailing twelve months is around 104.11%.

Position	TTM	2025
IAPR Innovator International Developed Power Buffer ETF - April	0.00%	0.00%
WNTR YieldMax Short MSTR Option Income Strategy ETF	104.11%	58.56%

Frequently Asked Questions

Can I hold both IAPR and WNTR in my portfolio?

IAPR and WNTR have a correlation of -0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IAPR or WNTR?

WNTR has higher volatility (18.80%) compared to IAPR (2.71%). In terms of maximum drawdown, IAPR dropped -17.73% vs WNTR's -42.65%.

Which ETF is better, IAPR or WNTR?

On 1-year performance, WNTR leads with 116.49% vs 14.14% for IAPR. On fees, IAPR is cheaper at 0.85% per year. On volatility, IAPR has been the lower-risk option at 2.71%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IAPR or WNTR?

Over the 1-year period, WNTR has performed better with a 116.49% return vs 14.14%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IAPR or WNTR?

IAPR is cheaper with a 0.85% expense ratio, compared with 1.01% for WNTR.

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

WNTR has the higher dividend yield at 104.11%, compared with 0.00% for IAPR.

What is the main difference between IAPR and WNTR?

IAPR is categorized as Defined Outcome, while WNTR is Derivative Income. They also come from different issuers: Innovator and YieldMax. Their fees differ too: 0.85% for IAPR and 1.01% for WNTR.

Which has better risk-adjusted returns?

WNTR currently has the higher Sharpe Ratio (2.06 vs 1.94), 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.