MMAX vs. BDEC

Last updated Apr 1, 2026

Compare and contrast key facts about iShares Large Cap Max Buffer Mar ETF (MMAX) and Innovator U.S. Equity Buffer ETF - December (BDEC).

MMAX and BDEC are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MMAX is an actively managed fund by iShares. It was launched on Mar 31, 2025. BDEC is a passively managed fund by Innovator that tracks the performance of the Cboe S&P 500 Buffer Protect Index December. It was launched on Nov 29, 2019.

Performance

MMAX vs. BDEC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Large Cap Max Buffer Mar ETF (MMAX) and Innovator U.S. Equity Buffer ETF - December (BDEC). The values are adjusted to include any dividend payments, if applicable.

MMAX vs. BDEC - Yearly Performance Comparison

	2026 (YTD)	2025
MMAX iShares Large Cap Max Buffer Mar ETF	1.32%	5.88%
BDEC Innovator U.S. Equity Buffer ETF - December	-3.15%	18.14%

Returns By Period

In the year-to-date period, MMAX achieves a 1.32% return, which is significantly higher than BDEC's -3.15% return.

MMAX

• 1D: 0.06%
• 1M: 0.56%
• YTD: 1.32%
• 6M: 3.04%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BDEC

• 1D: 2.08%
• 1M: -3.63%
• YTD: -3.15%
• 6M: 0.15%
• 1Y: 14.68%
• 3Y*: 12.37%
• 5Y*: 8.43%
• 10Y*: —

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

MMAX vs. BDEC - Expense Ratio Comparison

MMAX has a 0.50% expense ratio, which is lower than BDEC's 0.79% expense ratio.

BDEC

Innovator U.S. Equity Buffer ETF - December

MMAX

iShares Large Cap Max Buffer Mar ETF

Return for Risk

MMAX vs. BDEC — Risk / Return Rank

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

BDEC

BDEC Risk / Return Rank: 68
BDEC Sharpe Ratio Rank: 62
BDEC Sortino Ratio Rank: 65
BDEC Omega Ratio Rank: 69
BDEC Calmar Ratio Rank: 66
BDEC Martin Ratio Rank: 77

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.

MMAX vs. BDEC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Large Cap Max Buffer Mar ETF (MMAX) and Innovator U.S. Equity Buffer ETF - December (BDEC). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	MMAX	BDEC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.10	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.71	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.82	0.70	+2.12

Correlation

The correlation between MMAX and BDEC is 0.71, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MMAX vs. BDEC - Dividend Comparison

MMAX's dividend yield for the trailing twelve months is around 1.30%, while BDEC has not paid dividends to shareholders.

	TTM	2025
MMAX iShares Large Cap Max Buffer Mar ETF	1.30%	1.31%
BDEC Innovator U.S. Equity Buffer ETF - December	0.00%	0.00%

Drawdowns

MMAX vs. BDEC - Drawdown Comparison

The maximum MMAX drawdown since its inception was -1.93%, smaller than the maximum BDEC drawdown of -25.60%. Use the drawdown chart below to compare losses from any high point for MMAX and BDEC.

Drawdown Indicators

	MMAX	BDEC	Difference
Max Drawdown Largest peak-to-trough decline	-1.93%	-25.60%	+23.67%
Max Drawdown (1Y) Largest decline over 1 year	—	-9.02%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-16.44%	—
Current Drawdown Current decline from peak	0.00%	-4.57%	+4.57%
Average Drawdown Average peak-to-trough decline	-0.11%	-3.12%	+3.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.81%	—

Volatility

Volatility by Period

	MMAX	BDEC	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.90%	—
Volatility (6M) Calculated over the trailing 6-month period	—	7.20%	—
Volatility (1Y) Calculated over the trailing 1-year period	2.61%	13.46%	-10.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.61%	11.94%	-9.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.61%	14.40%	-11.79%