BFLB vs. MMAX
BFLB (BufferLABS US Equity Dynamic Buffer ETF) and MMAX (iShares Large Cap Max Buffer Mar ETF) are both Defined Outcome funds. Both are actively managed. A 0.71 correlation means they provide meaningful diversification when combined. BFLB charges 0.79%/yr vs 0.50%/yr for MMAX.
Performance
BFLB vs. MMAX - Performance Comparison
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Returns By Period
In the year-to-date period, BFLB achieves a 5.47% return, which is significantly higher than MMAX's 3.01% return.
BFLB
- 1D
- -0.06%
- 1M
- -0.57%
- YTD
- 5.47%
- 6M
- 4.86%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MMAX
- 1D
- 0.15%
- 1M
- -0.00%
- YTD
- 3.01%
- 6M
- 3.03%
- 1Y
- 6.89%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
BFLB vs. MMAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BFLB BufferLABS US Equity Dynamic Buffer ETF | 5.47% | 1.82% |
MMAX iShares Large Cap Max Buffer Mar ETF | 3.01% | 1.60% |
Correlation
The correlation between BFLB and MMAX is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Oct 8, 2025 | 0.71 |
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Return for Risk
BFLB vs. MMAX — Risk / Return Rank
BFLB
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
MMAX
BFLB vs. MMAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BufferLABS US Equity Dynamic Buffer ETF (BFLB) 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.
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.
| BFLB | MMAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 2.24 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 14.99 | — |
| Martin ratioReturn relative to average drawdown | — | 72.17 | — |
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Drawdowns
BFLB vs. MMAX - Drawdown Comparison
The maximum BFLB drawdown since its inception was -5.14%, which is greater than MMAX's maximum drawdown of -1.93%. Use the drawdown chart below to compare losses from any high point for BFLB and MMAX.
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Drawdown Indicators
| BFLB | MMAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.14% | -1.93% | -3.21% |
Max Drawdown (1Y)Largest decline over 1 year | — | -0.46% | — |
Current DrawdownCurrent decline from peak | -1.11% | -0.20% | -0.91% |
Average DrawdownAverage peak-to-trough decline | -0.76% | -0.11% | -0.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.10% | — |
Volatility
BFLB vs. MMAX - Volatility Comparison
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Volatility by Period
| BFLB | MMAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.55% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 1.08% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 7.74% | 1.42% | +6.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.74% | 2.47% | +5.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.74% | 2.47% | +5.27% |
BFLB vs. MMAX - Expense Ratio Comparison
BFLB has a 0.79% expense ratio, which is higher than MMAX's 0.50% expense ratio.
Dividends
BFLB vs. MMAX - Dividend Comparison
BFLB has not paid dividends to shareholders, while MMAX's dividend yield for the trailing twelve months is around 1.28%.
| Position | TTM | 2025 |
|---|---|---|
BFLB BufferLABS US Equity Dynamic Buffer ETF | 0.00% | 0.00% |
MMAX iShares Large Cap Max Buffer Mar ETF | 1.28% | 1.31% |
Frequently Asked Questions
BFLB and MMAX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, MMAX is cheaper at 0.50% per year. The better choice depends on whether you care most about return, fees, risk, or income.
MMAX is cheaper with a 0.50% expense ratio, compared with 0.79% for BFLB.
MMAX has the higher dividend yield at 1.28%, compared with 0.00% for BFLB.
They also come from different issuers: BufferLABS and iShares. Their fees differ too: 0.79% for BFLB and 0.50% for MMAX.
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