LQD vs. MBB
LQD (iShares iBoxx $ Investment Grade Corporate Bond ETF) and MBB (iShares MBS Bond ETF) are both exchange-traded funds - LQD is a Corporate Bonds fund tracking the iBoxx $ Liquid Investment Grade Index, while MBB is a Mortgage Backed Securities fund tracking the Barclays Capital U.S. MBS Index. Both are passively managed. Over the past 10 years, LQD returned 2.53%/yr vs 1.33%/yr for MBB. A 0.71 correlation means they provide meaningful diversification when combined. LQD charges 0.15%/yr vs 0.06%/yr for MBB.
Performance
LQD vs. MBB - Performance Comparison
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Returns By Period
In the year-to-date period, LQD achieves a 0.88% return, which is significantly lower than MBB's 1.01% return. Over the past 10 years, LQD has outperformed MBB with an annualized return of 2.53%, while MBB has yielded a comparatively lower 1.33% annualized return.
LQD
- 1D
- 0.85%
- 1M
- 0.86%
- YTD
- 0.88%
- 6M
- 0.69%
- 1Y
- 5.82%
- 3Y*
- 5.17%
- 5Y*
- -0.20%
- 10Y*
- 2.53%
MBB
- 1D
- 0.65%
- 1M
- 0.67%
- YTD
- 1.01%
- 6M
- 1.29%
- 1Y
- 6.49%
- 3Y*
- 4.43%
- 5Y*
- 0.41%
- 10Y*
- 1.33%
LQD vs. MBB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
LQD iShares iBoxx $ Investment Grade Corporate Bond ETF | 0.88% | 7.90% | 0.86% | 9.40% | -17.92% | -1.84% | 10.97% | 17.37% | -3.79% | 7.06% |
MBB iShares MBS Bond ETF | 1.01% | 8.38% | 1.31% | 5.01% | -11.74% | -1.43% | 4.08% | 6.18% | 0.82% | 2.49% |
Correlation
The correlation between LQD and MBB is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.88 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.80 |
Correlation (All Time) Calculated using the full available price history since Mar 16, 2007 | 0.71 |
The correlation between LQD and MBB shifts across timeframes, from 0.71 (all time) to 0.91 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
LQD vs. MBB — Risk / Return Rank
LQD
MBB
LQD vs. MBB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBoxx $ Investment Grade Corporate Bond ETF (LQD) and iShares MBS Bond ETF (MBB). 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.
| LQD | MBB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.37 | ||
| Sortino ratioReturn per unit of downside risk | -0.55 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.26 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.75 | 2.21 | -0.46 |
| Martin ratioReturn relative to average drawdown | 4.92 | 7.06 | -2.14 |
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Drawdowns
LQD vs. MBB - Drawdown Comparison
The maximum LQD drawdown since its inception was -24.95%, which is greater than MBB's maximum drawdown of -17.64%. Use the drawdown chart below to compare losses from any high point for LQD and MBB.
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Drawdown Indicators
| LQD | MBB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.95% | -17.64% | -7.31% |
Max Drawdown (1Y)Largest decline over 1 year | -3.34% | -2.94% | -0.40% |
Max Drawdown (3Y)Largest decline over 3 years | -8.43% | -7.68% | -0.75% |
Max Drawdown (5Y)Largest decline over 5 years | -24.95% | -17.19% | -7.76% |
Max Drawdown (10Y)Largest decline over 10 years | -24.95% | -17.64% | -7.31% |
Current DrawdownCurrent decline from peak | -3.31% | -1.09% | -2.22% |
Average DrawdownAverage peak-to-trough decline | -3.99% | -2.35% | -1.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.19% | 0.92% | +0.27% |
Volatility
LQD vs. MBB - Volatility Comparison
iShares iBoxx $ Investment Grade Corporate Bond ETF (LQD) has a higher volatility of 1.77% compared to iShares MBS Bond ETF (MBB) at 1.57%. This indicates that LQD's price experiences larger fluctuations and is considered to be riskier than MBB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| LQD | MBB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.77% | 1.57% | +0.20% |
Volatility (6M)Calculated over the trailing 6-month period | 4.04% | 3.31% | +0.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.38% | 4.47% | +0.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.65% | 6.82% | +1.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.69% | 5.31% | +3.38% |
LQD vs. MBB - Expense Ratio Comparison
LQD has a 0.15% expense ratio, which is higher than MBB's 0.06% 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
LQD vs. MBB - Dividend Comparison
LQD's dividend yield for the trailing twelve months is around 4.55%, more than MBB's 4.26% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LQD iShares iBoxx $ Investment Grade Corporate Bond ETF | 4.55% | 4.48% | 4.45% | 3.99% | 3.30% | 2.30% | 2.66% | 3.29% | 3.67% | 3.10% | 3.34% | 3.47% |
MBB iShares MBS Bond ETF | 4.26% | 4.21% | 3.94% | 3.40% | 2.31% | 1.05% | 2.10% | 2.77% | 2.64% | 2.23% | 2.58% | 2.66% |
Frequently Asked Questions
LQD and MBB have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
LQD has higher volatility (1.77%) compared to MBB (1.57%). In terms of maximum drawdown, LQD dropped -24.95% vs MBB's -17.64%.
On 10-year performance, LQD leads with 2.53% vs 1.33% for MBB. On fees, MBB is cheaper at 0.06% per year. On volatility, MBB has been the lower-risk option at 1.57%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, LQD has performed better with a 2.53% return vs 1.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MBB is cheaper with a 0.06% expense ratio, compared with 0.15% for LQD.
LQD has the higher dividend yield at 4.55%, compared with 4.26% for MBB.
LQD is categorized as Corporate Bonds, while MBB is Mortgage Backed Securities. LQD tracks iBoxx $ Liquid Investment Grade Index, while MBB tracks Barclays Capital U.S. MBS Index. Their fees differ too: 0.15% for LQD and 0.06% for MBB.
MBB currently has the higher Sharpe Ratio (1.46 vs 1.09), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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