MBBA vs. IYE
MBBA (iShares Mortgage-Backed Securities Active ETF) and IYE (iShares U.S. Energy ETF) are both exchange-traded funds - MBBA is a Mortgage Backed Securities fund actively managed by iShares, while IYE is a Energy Equities fund tracking the Dow Jones U.S. Oil & Gas Index. MBBA is actively managed, while IYE is passively managed. At a correlation of -0.44, they often move in opposite directions. MBBA charges 0.25%/yr vs 0.42%/yr for IYE.
Performance
MBBA vs. IYE - Performance Comparison
Loading charts...
Returns By Period
MBBA
- 1D
- -0.15%
- 1M
- -0.57%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IYE
- 1D
- 0.85%
- 1M
- 3.70%
- 6M
- 21.25%
- YTD
- 28.65%
- 1Y
- 35.74%
- 3Y*
- 14.97%
- 5Y*
- 21.75%
- 10Y*
- 8.22%
MBBA vs. IYE - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
MBBA iShares Mortgage-Backed Securities Active ETF | 0.72% |
IYE iShares U.S. Energy ETF | 17.45% |
Correlation
The correlation between MBBA and IYE is -0.44, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jan 26, 2026 | -0.44 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
MBBA vs. IYE — Risk / Return Rank
MBBA
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
IYE
MBBA vs. IYE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Mortgage-Backed Securities Active ETF (MBBA) and iShares U.S. Energy ETF (IYE). 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.
| MBBA | IYE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.29 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 2.47 | — |
| Martin ratioReturn relative to average drawdown | — | 6.59 | — |
Loading charts...
Drawdowns
MBBA vs. IYE - Drawdown Comparison
The maximum MBBA drawdown since its inception was -2.83%, smaller than the maximum IYE drawdown of -73.74%. Use the drawdown chart below to compare losses from any high point for MBBA and IYE.
Loading charts...
Drawdown Indicators
| MBBA | IYE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.83% | -73.74% | +70.91% |
Max Drawdown (1Y)Largest decline over 1 year | — | -14.54% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -20.37% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.61% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -68.59% | — |
Current DrawdownCurrent decline from peak | -1.27% | -8.10% | +6.83% |
Average DrawdownAverage peak-to-trough decline | -1.10% | -19.32% | +18.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 5.44% | — |
Volatility
MBBA vs. IYE - Volatility Comparison
Loading charts...
Volatility by Period
| MBBA | IYE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 5.84% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 16.23% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.60% | 20.41% | -15.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.60% | 25.55% | -20.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.60% | 29.50% | -24.90% |
MBBA vs. IYE - Expense Ratio Comparison
MBBA has a 0.25% expense ratio, which is lower than IYE's 0.42% expense ratio.
Dividends
MBBA vs. IYE - Dividend Comparison
MBBA's dividend yield for the trailing twelve months is around 2.21%, which matches IYE's 2.21% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IYE iShares U.S. Energy ETF | 2.21% | 2.85% | 2.75% | 2.99% | 3.37% | 2.98% | 4.75% | 6.60% | 3.16% | 2.66% | 2.11% | 3.39% |
MBBA iShares Mortgage-Backed Securities Active ETF | 2.21% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MBBA and IYE have a correlation of -0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, MBBA is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.
MBBA is cheaper with a 0.25% expense ratio, compared with 0.42% for IYE.
MBBA and IYE have nearly identical dividend yields, around 2.21%.
MBBA is categorized as Mortgage Backed Securities, while IYE is Energy Equities. Their fees differ too: 0.25% for MBBA and 0.42% for IYE.
Find the right allocation for MBBA and IYE
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer