ZAUG vs. UAUG

Last updated Jun 4, 2026

ZAUG (Innovator Equity Defined Protection ETF - 1 Yr August) and UAUG (Innovator U.S. Equity Ultra Buffer ETF - August) are both Defined Outcome funds from Innovator. ZAUG is actively managed, while UAUG is passively managed. Over the past year, ZAUG returned 8.08% vs 15.19% for UAUG. Their correlation of 0.86 suggests significant overlap in exposure. Both charge a 0.79% expense ratio.

Performance

ZAUG vs. UAUG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator Equity Defined Protection ETF - 1 Yr August (ZAUG) and Innovator U.S. Equity Ultra Buffer ETF - August (UAUG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ZAUG achieves a 2.70% return, which is significantly lower than UAUG's 4.84% return.

ZAUG

• 1D: -0.09%
• 1M: 0.72%
• YTD: 2.70%
• 6M: 3.10%
• 1Y: 8.08%
• 3Y*: —
• 5Y*: —
• 10Y*: —

UAUG

• 1D: -0.10%
• 1M: 1.60%
• YTD: 4.84%
• 6M: 5.32%
• 1Y: 15.19%
• 3Y*: 14.57%
• 5Y*: 7.97%
• 10Y*: —

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

ZAUG vs. UAUG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ZAUG Innovator Equity Defined Protection ETF - 1 Yr August	2.70%	7.38%	3.62%
UAUG Innovator U.S. Equity Ultra Buffer ETF - August	4.84%	12.42%	5.34%

Correlation

The correlation between ZAUG and UAUG is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (All Time) Calculated using the full available price history since Aug 2, 2024	0.86

The correlation between ZAUG and UAUG has been stable across timeframes, ranging from 0.83 to 0.86 - a consistent structural relationship.

Return for Risk

ZAUG vs. UAUG — Risk / Return Rank

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

ZAUG

ZAUG Risk / Return Rank: 92
ZAUG Sharpe Ratio Rank: 92
ZAUG Sortino Ratio Rank: 95
ZAUG Omega Ratio Rank: 95
ZAUG Calmar Ratio Rank: 85
ZAUG Martin Ratio Rank: 94

UAUG

UAUG Risk / Return Rank: 86
UAUG Sharpe Ratio Rank: 84
UAUG Sortino Ratio Rank: 89
UAUG Omega Ratio Rank: 89
UAUG Calmar Ratio Rank: 76
UAUG Martin Ratio Rank: 89

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.

ZAUG vs. UAUG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator Equity Defined Protection ETF - 1 Yr August (ZAUG) and Innovator U.S. Equity Ultra Buffer ETF - August (UAUG). 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.

	ZAUG	UAUG	Difference
Sharpe ratio: Return per unit of total volatility	3.31	2.78	+0.53
Sortino ratio: Return per unit of downside risk	5.30	4.11	+1.19
Omega ratio: Gain probability vs. loss probability	1.73	1.57	+0.16
Calmar ratio: Return relative to maximum drawdown	4.71	3.85	+0.86
Martin ratio: Return relative to average drawdown	27.32	20.38	+6.94
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZAUG vs. UAUG - Sharpe Ratio Comparison

The current ZAUG Sharpe Ratio is 3.31, which is comparable to the UAUG Sharpe Ratio of 2.78. The chart below compares the historical Sharpe Ratios of ZAUG and UAUG, 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

	ZAUG	UAUG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.31	2.78	+0.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.01	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.66	0.91	+0.74

Drawdowns

ZAUG vs. UAUG - Drawdown Comparison

The maximum ZAUG drawdown since its inception was -4.83%, smaller than the maximum UAUG drawdown of -13.91%. Use the drawdown chart below to compare losses from any high point for ZAUG and UAUG.

Drawdown Indicators

	ZAUG	UAUG	Difference
Max Drawdown Largest peak-to-trough decline	-4.83%	-13.91%	+9.08%
Max Drawdown (1Y) Largest decline over 1 year	-1.72%	-3.96%	+2.24%
Max Drawdown (3Y) Largest decline over 3 years	—	-10.35%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-13.91%	—
Current Drawdown Current decline from peak	-0.09%	-0.10%	+0.01%
Average Drawdown Average peak-to-trough decline	-0.41%	-2.36%	+1.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.30%	0.75%	-0.45%

Volatility

ZAUG vs. UAUG - Volatility Comparison

The current volatility for Innovator Equity Defined Protection ETF - 1 Yr August (ZAUG) is 0.29%, while Innovator U.S. Equity Ultra Buffer ETF - August (UAUG) has a volatility of 0.60%. This indicates that ZAUG experiences smaller price fluctuations and is considered to be less risky than UAUG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZAUG	UAUG	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.29%	0.60%	-0.31%
Volatility (6M) Calculated over the trailing 6-month period	1.81%	4.13%	-2.32%
Volatility (1Y) Calculated over the trailing 1-year period	2.47%	5.51%	-3.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.58%	7.89%	-3.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.58%	8.72%	-4.14%

ZAUG vs. UAUG - Expense Ratio Comparison

Both ZAUG and UAUG have an expense ratio of 0.79%.

Dividends

ZAUG vs. UAUG - Dividend Comparison

Neither ZAUG nor UAUG has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
UAUG Innovator U.S. Equity Ultra Buffer ETF - August	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.83%
ZAUG Innovator Equity Defined Protection ETF - 1 Yr August	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ZAUG and UAUG in my portfolio?

ZAUG and UAUG have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ZAUG or UAUG?

UAUG has higher volatility (0.60%) compared to ZAUG (0.29%). In terms of maximum drawdown, ZAUG dropped -4.83% vs UAUG's -13.91%.

Which ETF is better, ZAUG or UAUG?

On 1-year performance, UAUG leads with 15.19% vs 8.08% for ZAUG. Both ETFs have the same 0.79% expense ratio. On volatility, ZAUG has been the lower-risk option at 0.29%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ZAUG or UAUG?

Over the 1-year period, UAUG has performed better with a 15.19% return vs 8.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ZAUG or UAUG?

ZAUG and UAUG have the same expense ratio: 0.79% per year.

Which ETF pays a higher dividend yield, ZAUG or UAUG?

ZAUG and UAUG have nearly identical dividend yields, around 0.00%.

Which has better risk-adjusted returns?

ZAUG currently has the higher Sharpe Ratio (3.31 vs 2.78), 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.