PMMY vs. ZAPR

Last updated Jun 4, 2026

PMMY (PGIM S&P 500 Max Buffer ETF - May) and ZAPR (Innovator Equity Defined Protection ETF - 1 Yr April) are both Defined Outcome funds. Both are actively managed. Over the past year, PMMY returned 5.98% vs 7.17% for ZAPR. A 0.61 correlation means they provide meaningful diversification when combined. PMMY charges 0.50%/yr vs 0.79%/yr for ZAPR.

Performance

PMMY vs. ZAPR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PGIM S&P 500 Max Buffer ETF - May (PMMY) and Innovator Equity Defined Protection ETF - 1 Yr April (ZAPR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PMMY achieves a 2.19% return, which is significantly lower than ZAPR's 3.25% return.

PMMY

• 1D: -0.04%
• 1M: 0.79%
• YTD: 2.19%
• 6M: 2.74%
• 1Y: 5.98%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ZAPR

• 1D: 0.03%
• 1M: 0.52%
• YTD: 3.25%
• 6M: 3.73%
• 1Y: 7.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PMMY vs. ZAPR - Yearly Performance Comparison

	2026 (YTD)	2025
PMMY PGIM S&P 500 Max Buffer ETF - May	2.19%	4.59%
ZAPR Innovator Equity Defined Protection ETF - 1 Yr April	3.25%	4.96%

Correlation

The correlation between PMMY and ZAPR is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.62
Correlation (All Time) Calculated using the full available price history since May 2, 2025	0.61

The correlation between PMMY and ZAPR has been stable across timeframes, ranging from 0.61 to 0.62 - a consistent structural relationship.

Return for Risk

PMMY vs. ZAPR — Risk / Return Rank

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

PMMY

PMMY Risk / Return Rank: 98
PMMY Sharpe Ratio Rank: 98
PMMY Sortino Ratio Rank: 99
PMMY Omega Ratio Rank: 99
PMMY Calmar Ratio Rank: 98
PMMY Martin Ratio Rank: 99

ZAPR

ZAPR Risk / Return Rank: 98
ZAPR Sharpe Ratio Rank: 97
ZAPR Sortino Ratio Rank: 99
ZAPR Omega Ratio Rank: 98
ZAPR Calmar Ratio Rank: 98
ZAPR Martin Ratio Rank: 99

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.

PMMY vs. ZAPR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PGIM S&P 500 Max Buffer ETF - May (PMMY) and Innovator Equity Defined Protection ETF - 1 Yr April (ZAPR). 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.

	PMMY	ZAPR	Difference
Sharpe ratio: Return per unit of total volatility	5.35	4.93	+0.42
Sortino ratio: Return per unit of downside risk	9.00	9.13	-0.14
Omega ratio: Gain probability vs. loss probability	2.45	2.30	+0.15
Calmar ratio: Return relative to maximum drawdown	16.90	17.93	-1.03
Martin ratio: Return relative to average drawdown	89.69	92.53	-2.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PMMY vs. ZAPR - Sharpe Ratio Comparison

The current PMMY Sharpe Ratio is 5.35, which is comparable to the ZAPR Sharpe Ratio of 4.93. The chart below compares the historical Sharpe Ratios of PMMY and ZAPR, 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

	PMMY	ZAPR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.35	4.93	+0.42
Sharpe Ratio (All Time) Calculated using the full available price history	4.56	2.96	+1.60

Drawdowns

PMMY vs. ZAPR - Drawdown Comparison

The maximum PMMY drawdown since its inception was -0.36%, smaller than the maximum ZAPR drawdown of -1.72%. Use the drawdown chart below to compare losses from any high point for PMMY and ZAPR.

Drawdown Indicators

	PMMY	ZAPR	Difference
Max Drawdown Largest peak-to-trough decline	-0.36%	-1.72%	+1.36%
Max Drawdown (1Y) Largest decline over 1 year	-0.36%	-0.40%	+0.04%
Current Drawdown Current decline from peak	-0.04%	-0.03%	-0.01%
Average Drawdown Average peak-to-trough decline	-0.04%	-0.09%	+0.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.07%	0.08%	-0.01%

Volatility

PMMY vs. ZAPR - Volatility Comparison

PGIM S&P 500 Max Buffer ETF - May (PMMY) and Innovator Equity Defined Protection ETF - 1 Yr April (ZAPR) have volatilities of 0.36% and 0.37%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PMMY	ZAPR	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.36%	0.37%	-0.01%
Volatility (6M) Calculated over the trailing 6-month period	0.87%	1.01%	-0.14%
Volatility (1Y) Calculated over the trailing 1-year period	1.12%	1.46%	-0.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.39%	2.51%	-1.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.39%	2.51%	-1.12%

PMMY vs. ZAPR - Expense Ratio Comparison

PMMY has a 0.50% expense ratio, which is lower than ZAPR's 0.79% expense ratio.

Dividends

PMMY vs. ZAPR - Dividend Comparison

Neither PMMY nor ZAPR has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both PMMY and ZAPR in my portfolio?

PMMY and ZAPR have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PMMY or ZAPR?

ZAPR has higher volatility (0.37%) compared to PMMY (0.36%). In terms of maximum drawdown, PMMY dropped -0.36% vs ZAPR's -1.72%.

Which ETF is better, PMMY or ZAPR?

On 1-year performance, ZAPR leads with 7.17% vs 5.98% for PMMY. On fees, PMMY is cheaper at 0.50% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PMMY or ZAPR?

Over the 1-year period, ZAPR has performed better with a 7.17% return vs 5.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PMMY or ZAPR?

PMMY is cheaper with a 0.50% expense ratio, compared with 0.79% for ZAPR.

Which ETF pays a higher dividend yield, PMMY or ZAPR?

PMMY and ZAPR have nearly identical dividend yields, around 0.00%.

What is the main difference between PMMY and ZAPR?

They also come from different issuers: PGIM and Innovator. Their fees differ too: 0.50% for PMMY and 0.79% for ZAPR.

Which has better risk-adjusted returns?

PMMY currently has the higher Sharpe Ratio (5.35 vs 4.93), 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.