MBBA vs. IBID
MBBA (iShares Mortgage-Backed Securities Active ETF) and IBID (iShares iBonds Oct 2027 Term TIPS ETF) are both exchange-traded funds - MBBA is a Mortgage Backed Securities fund actively managed by iShares, while IBID is a Inflation-Protected Bonds fund tracking the ICE 2027 Maturity US Inflation-Linked Treasury Index. MBBA is actively managed, while IBID is passively managed. At a correlation of -0.15, they often move in opposite directions. MBBA charges 0.25%/yr vs 0.10%/yr for IBID.
Performance
MBBA vs. IBID - Performance Comparison
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Returns By Period
MBBA
- 1D
- 0.35%
- 1M
- 1.18%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBID
- 1D
- -0.10%
- 1M
- -0.19%
- YTD
- 1.99%
- 6M
- 2.06%
- 1Y
- 4.04%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MBBA vs. IBID - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
MBBA iShares Mortgage-Backed Securities Active ETF | 1.19% |
IBID iShares iBonds Oct 2027 Term TIPS ETF | 1.89% |
Correlation
The correlation between MBBA and IBID is -0.15, 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 | -0.15 |
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Return for Risk
MBBA vs. IBID — Risk / Return Rank
MBBA
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
IBID
MBBA vs. IBID - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Mortgage-Backed Securities Active ETF (MBBA) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). 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 | IBID | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.77 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 8.54 | — |
| Martin ratioReturn relative to average drawdown | — | 33.17 | — |
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Drawdowns
MBBA vs. IBID - Drawdown Comparison
The maximum MBBA drawdown since its inception was -2.83%, which is greater than IBID's maximum drawdown of -1.28%. Use the drawdown chart below to compare losses from any high point for MBBA and IBID.
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Drawdown Indicators
| MBBA | IBID | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.83% | -1.28% | -1.55% |
Max Drawdown (1Y)Largest decline over 1 year | — | -0.49% | — |
Current DrawdownCurrent decline from peak | -0.80% | -0.49% | -0.31% |
Average DrawdownAverage peak-to-trough decline | -1.12% | -0.22% | -0.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 0.13% | — |
Volatility
MBBA vs. IBID - Volatility Comparison
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Volatility by Period
| MBBA | IBID | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 0.36% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 0.86% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.55% | 1.24% | +3.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.55% | 2.25% | +2.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.55% | 2.25% | +2.30% |
MBBA vs. IBID - Expense Ratio Comparison
MBBA has a 0.25% expense ratio, which is higher than IBID's 0.10% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
MBBA vs. IBID - Dividend Comparison
MBBA's dividend yield for the trailing twelve months is around 1.83%, less than IBID's 3.68% yield.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
IBID iShares iBonds Oct 2027 Term TIPS ETF | 3.68% | 4.43% | 4.24% | 0.81% |
MBBA iShares Mortgage-Backed Securities Active ETF | 1.83% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MBBA and IBID have a correlation of -0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, IBID is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.
IBID is cheaper with a 0.10% expense ratio, compared with 0.25% for MBBA.
IBID has the higher dividend yield at 3.68%, compared with 1.83% for MBBA.
MBBA is categorized as Mortgage Backed Securities, while IBID is Inflation-Protected Bonds. Their fees differ too: 0.25% for MBBA and 0.10% for IBID.
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