MBB vs. FLIA
Compare and contrast key facts about iShares MBS Bond ETF (MBB) and Franklin Liberty International Aggregate Bond ETF (FLIA).
MBB and FLIA are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MBB is a passively managed fund by iShares that tracks the performance of the Barclays Capital U.S. MBS Index. It was launched on Mar 16, 2007. FLIA is an actively managed fund by Franklin Templeton. It was launched on May 30, 2018.
Performance
MBB vs. FLIA - Performance Comparison
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MBB vs. FLIA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
MBB iShares MBS Bond ETF | 0.41% | 8.38% | 1.31% | 5.01% | -11.74% | -1.43% | 4.08% | 6.18% | 2.27% |
FLIA Franklin Liberty International Aggregate Bond ETF | 0.40% | 2.12% | 2.42% | 7.17% | -7.68% | -1.98% | 1.37% | 7.58% | -2.59% |
Returns By Period
The year-to-date returns for both stocks are quite close, with MBB having a 0.41% return and FLIA slightly lower at 0.40%.
MBB
- 1D
- 0.24%
- 1M
- -1.69%
- YTD
- 0.41%
- 6M
- 1.92%
- 1Y
- 5.63%
- 3Y*
- 4.09%
- 5Y*
- 0.40%
- 10Y*
- 1.34%
FLIA
- 1D
- 0.42%
- 1M
- -1.41%
- YTD
- 0.40%
- 6M
- 1.02%
- 1Y
- 2.83%
- 3Y*
- 3.17%
- 5Y*
- 0.74%
- 10Y*
- —
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MBB vs. FLIA - Expense Ratio Comparison
MBB has a 0.06% expense ratio, which is lower than FLIA's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
MBB vs. FLIA — Risk / Return Rank
MBB
FLIA
MBB vs. FLIA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MBS Bond ETF (MBB) and Franklin Liberty International Aggregate Bond ETF (FLIA). 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.
| MBB | FLIA | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.14 | 0.79 | +0.35 |
Sortino ratioReturn per unit of downside risk | 1.63 | 1.13 | +0.50 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.14 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 2.18 | 1.55 | +0.63 |
Martin ratioReturn relative to average drawdown | 6.00 | 5.12 | +0.89 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MBB | FLIA | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.14 | 0.79 | +0.35 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.06 | 0.17 | -0.11 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.25 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.21 | +0.37 |
Correlation
The correlation between MBB and FLIA is 0.52, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
MBB vs. FLIA - Dividend Comparison
MBB's dividend yield for the trailing twelve months is around 4.22%, more than FLIA's 2.61% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MBB iShares MBS Bond ETF | 4.22% | 4.21% | 3.94% | 3.40% | 2.31% | 1.05% | 2.10% | 2.77% | 2.64% | 2.23% | 2.58% | 2.66% |
FLIA Franklin Liberty International Aggregate Bond ETF | 2.61% | 2.62% | 2.97% | 0.93% | 18.12% | 2.26% | 0.43% | 2.93% | 1.23% | 0.00% | 0.00% | 0.00% |
Drawdowns
MBB vs. FLIA - Drawdown Comparison
The maximum MBB drawdown since its inception was -17.64%, which is greater than FLIA's maximum drawdown of -11.24%. Use the drawdown chart below to compare losses from any high point for MBB and FLIA.
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Drawdown Indicators
| MBB | FLIA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.64% | -11.24% | -6.40% |
Max Drawdown (1Y)Largest decline over 1 year | -2.64% | -2.04% | -0.60% |
Max Drawdown (5Y)Largest decline over 5 years | -17.19% | -9.42% | -7.77% |
Max Drawdown (10Y)Largest decline over 10 years | -17.64% | — | — |
Current DrawdownCurrent decline from peak | -1.69% | -1.41% | -0.28% |
Average DrawdownAverage peak-to-trough decline | -2.36% | -3.86% | +1.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.96% | 0.62% | +0.34% |
Volatility
MBB vs. FLIA - Volatility Comparison
iShares MBS Bond ETF (MBB) has a higher volatility of 1.98% compared to Franklin Liberty International Aggregate Bond ETF (FLIA) at 1.59%. This indicates that MBB's price experiences larger fluctuations and is considered to be riskier than FLIA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MBB | FLIA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.98% | 1.59% | +0.39% |
Volatility (6M)Calculated over the trailing 6-month period | 3.00% | 2.16% | +0.84% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.97% | 3.60% | +1.37% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.77% | 4.38% | +2.39% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.27% | 4.73% | +0.54% |