PMFB vs. MMAX

Last updated Jun 4, 2026

PMFB (PGIM S&P 500 Max Buffer ETF - February) and MMAX (iShares Large Cap Max Buffer Mar ETF) are both Defined Outcome funds. Both are actively managed. Over the past year, PMFB returned 8.06% vs 7.67% for MMAX. A 0.68 correlation means they provide meaningful diversification when combined. Both charge a 0.50% expense ratio.

Performance

PMFB vs. MMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PGIM S&P 500 Max Buffer ETF - February (PMFB) and iShares Large Cap Max Buffer Mar ETF (MMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PMFB achieves a 2.56% return, which is significantly lower than MMAX's 3.09% return.

PMFB

• 1D: -0.06%
• 1M: 0.80%
• YTD: 2.56%
• 6M: 3.26%
• 1Y: 8.06%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MMAX

• 1D: -0.13%
• 1M: 0.60%
• YTD: 3.09%
• 6M: 3.75%
• 1Y: 7.67%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PMFB vs. MMAX - Yearly Performance Comparison

	2026 (YTD)	2025
PMFB PGIM S&P 500 Max Buffer ETF - February	2.56%	7.36%
MMAX iShares Large Cap Max Buffer Mar ETF	3.09%	5.88%

Correlation

The correlation between PMFB and MMAX is 0.67, 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	0.67
Correlation (All Time) Calculated using the full available price history since Apr 2, 2025	0.68

The correlation between PMFB and MMAX has been stable across timeframes, ranging from 0.67 to 0.68 - a consistent structural relationship.

Return for Risk

PMFB vs. MMAX — Risk / Return Rank

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

PMFB

PMFB Risk / Return Rank: 95
PMFB Sharpe Ratio Rank: 95
PMFB Sortino Ratio Rank: 97
PMFB Omega Ratio Rank: 97
PMFB Calmar Ratio Rank: 92
PMFB Martin Ratio Rank: 95

MMAX

MMAX Risk / Return Rank: 99
MMAX Sharpe Ratio Rank: 98
MMAX Sortino Ratio Rank: 99
MMAX Omega Ratio Rank: 99
MMAX Calmar Ratio Rank: 99
MMAX 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.

PMFB vs. MMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PGIM S&P 500 Max Buffer ETF - February (PMFB) and iShares Large Cap Max Buffer Mar ETF (MMAX). 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.

	PMFB	MMAX	Difference
Sharpe ratio Return per unit of total volatility	3.83	5.52	-1.69
Sortino ratio Return per unit of downside risk	6.15	10.56	-4.41
Omega ratio Gain probability vs. loss probability	1.88	2.51	-0.64
Calmar ratio Return relative to maximum drawdown	6.04	22.49	-16.45
Martin ratio Return relative to average drawdown	31.52	112.49	-80.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PMFB vs. MMAX - Sharpe Ratio Comparison

The current PMFB Sharpe Ratio is 3.83, which is lower than the MMAX Sharpe Ratio of 5.52. The chart below compares the historical Sharpe Ratios of PMFB and MMAX, 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

	PMFB	MMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.83	5.52	-1.69
Sharpe Ratio (All Time) Calculated using the full available price history	2.43	3.13	-0.70

Drawdowns

PMFB vs. MMAX - Drawdown Comparison

The maximum PMFB drawdown since its inception was -2.94%, which is greater than MMAX's maximum drawdown of -1.93%. Use the drawdown chart below to compare losses from any high point for PMFB and MMAX.

Drawdown Indicators

	PMFB	MMAX	Difference
Max Drawdown Largest peak-to-trough decline	-2.94%	-1.93%	-1.01%
Max Drawdown (1Y) Largest decline over 1 year	-1.34%	-0.34%	-1.00%
Current Drawdown Current decline from peak	-0.06%	-0.13%	+0.07%
Average Drawdown Average peak-to-trough decline	-0.37%	-0.10%	-0.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.26%	0.07%	+0.19%

Volatility

PMFB vs. MMAX - Volatility Comparison

PGIM S&P 500 Max Buffer ETF - February (PMFB) and iShares Large Cap Max Buffer Mar ETF (MMAX) have volatilities of 0.37% and 0.36%, 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

	PMFB	MMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.37%	0.36%	+0.01%
Volatility (6M) Calculated over the trailing 6-month period	1.43%	0.96%	+0.47%
Volatility (1Y) Calculated over the trailing 1-year period	2.12%	1.39%	+0.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.77%	2.49%	+0.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.77%	2.49%	+0.28%

PMFB vs. MMAX - Expense Ratio Comparison

Both PMFB and MMAX have an expense ratio of 0.50%.

Dividends

PMFB vs. MMAX - Dividend Comparison

PMFB has not paid dividends to shareholders, while MMAX's dividend yield for the trailing twelve months is around 1.27%.

Position	TTM	2025
MMAX iShares Large Cap Max Buffer Mar ETF	1.27%	1.31%
PMFB PGIM S&P 500 Max Buffer ETF - February	0.00%	0.00%

Frequently Asked Questions

Can I hold both PMFB and MMAX in my portfolio?

PMFB and MMAX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PMFB or MMAX?

PMFB has higher volatility (0.37%) compared to MMAX (0.36%). In terms of maximum drawdown, PMFB dropped -2.94% vs MMAX's -1.93%.

Which ETF is better, PMFB or MMAX?

On 1-year performance, PMFB leads with 8.06% vs 7.67% for MMAX. Both ETFs have the same 0.50% expense ratio. 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, PMFB or MMAX?

Over the 1-year period, PMFB has performed better with a 8.06% return vs 7.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PMFB or MMAX?

PMFB and MMAX have the same expense ratio: 0.50% per year.

Which ETF pays a higher dividend yield, PMFB or MMAX?

MMAX has the higher dividend yield at 1.27%, compared with 0.00% for PMFB.

What is the main difference between PMFB and MMAX?

They also come from different issuers: PGIM and iShares.

Which has better risk-adjusted returns?

MMAX currently has the higher Sharpe Ratio (5.52 vs 3.83), 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.