IMCB vs. IGSB
IMCB (iShares Morningstar Mid-Cap ETF) and IGSB (iShares 1-5 Year Investment Grade Corporate Bond ETF) are both exchange-traded funds - IMCB is a Mid Cap Blend Equities fund tracking the IMCB-US - Morningstar U.S. Mid Cap Index, while IGSB is a Corporate Bonds fund tracking the ICE BofA 1-5 Year US Corporate Index. Both are passively managed. Over the past 10 years, IMCB returned 11.06%/yr vs 2.72%/yr for IGSB. At a 0.07 correlation, their price movements are largely independent. Both charge a 0.04% expense ratio.
Performance
IMCB vs. IGSB - Performance Comparison
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Returns By Period
In the year-to-date period, IMCB achieves a 16.61% return, which is significantly higher than IGSB's 0.93% return. Over the past 10 years, IMCB has outperformed IGSB with an annualized return of 11.06%, while IGSB has yielded a comparatively lower 2.72% annualized return.
IMCB
- 1D
- -0.54%
- 1M
- 0.79%
- 6M
- 12.05%
- YTD
- 16.61%
- 1Y
- 20.07%
- 3Y*
- 15.44%
- 5Y*
- 9.14%
- 10Y*
- 11.06%
- ALL TIME*
- 10.35%
IGSB
- 1D
- -0.07%
- 1M
- 0.14%
- 6M
- 0.85%
- YTD
- 0.93%
- 1Y
- 3.86%
- 3Y*
- 5.59%
- 5Y*
- 2.44%
- 10Y*
- 2.72%
- ALL TIME*
- 2.82%
IMCB vs. IGSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IMCB iShares Morningstar Mid-Cap ETF | 16.61% | 10.25% | 15.10% | 16.37% | -16.09% | 22.81% | 13.35% | 31.49% | -11.53% | 19.70% |
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | 0.93% | 6.96% | 4.97% | 6.40% | -5.63% | -0.56% | 5.37% | 7.11% | 1.25% | 1.27% |
Correlation
The correlation between IMCB and IGSB is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.37 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.31 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Jan 11, 2007 | 0.07 |
Over the past year, IMCB and IGSB have become more correlated (0.37) than their long-term average of 0.07, meaning their price movements have been converging.
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Return for Risk
IMCB vs. IGSB — Risk / Return Rank
IMCB
IGSB
IMCB vs. IGSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Morningstar Mid-Cap ETF (IMCB) and iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB). 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.
| IMCB | IGSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.44 | ||
| Sortino ratioReturn per unit of downside risk | -0.78 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.38 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 2.51 | 2.66 | -0.15 |
| Martin ratioReturn relative to average drawdown | 9.82 | 10.60 | -0.78 |
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Drawdowns
IMCB vs. IGSB - Drawdown Comparison
The maximum IMCB drawdown since its inception was -58.80%, which is greater than IGSB's maximum drawdown of -13.38%. Use the drawdown chart below to compare losses from any high point for IMCB and IGSB.
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Drawdown Indicators
| IMCB | IGSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.80% | -13.38% | -45.42% |
Max Drawdown (1Y)Largest decline over 1 year | -8.05% | -1.46% | -6.59% |
Max Drawdown (3Y)Largest decline over 3 years | -19.80% | -1.46% | -18.34% |
Max Drawdown (5Y)Largest decline over 5 years | -25.15% | -9.46% | -15.69% |
Max Drawdown (10Y)Largest decline over 10 years | -40.99% | -13.38% | -27.61% |
Current DrawdownCurrent decline from peak | -1.31% | -0.21% | -1.10% |
Average DrawdownAverage peak-to-trough decline | -7.69% | -0.85% | -6.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.05% | 0.36% | +1.69% |
Volatility
IMCB vs. IGSB - Volatility Comparison
iShares Morningstar Mid-Cap ETF (IMCB) has a higher volatility of 2.17% compared to iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) at 0.57%. This indicates that IMCB's price experiences larger fluctuations and is considered to be riskier than IGSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IMCB | IGSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.17% | 0.57% | +1.60% |
Volatility (6M)Calculated over the trailing 6-month period | 10.08% | 1.56% | +8.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.13% | 1.96% | +11.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.57% | 2.95% | +14.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.61% | 3.47% | +16.14% |
IMCB vs. IGSB - Expense Ratio Comparison
Both IMCB and IGSB have an expense ratio of 0.04%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IMCB vs. IGSB - Dividend Comparison
IMCB's dividend yield for the trailing twelve months is around 1.22%, less than IGSB's 4.60% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | 4.60% | 4.44% | 4.02% | 3.26% | 2.07% | 1.82% | 2.36% | 3.06% | 2.46% | 1.65% | 1.45% | 1.18% |
IMCB iShares Morningstar Mid-Cap ETF | 1.22% | 1.42% | 1.43% | 1.55% | 1.70% | 1.08% | 1.12% | 1.32% | 1.80% | 1.31% | 1.79% | 1.47% |
Frequently Asked Questions
IMCB and IGSB have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IMCB has higher volatility (2.17%) compared to IGSB (0.57%). In terms of maximum drawdown, IMCB dropped -58.80% vs IGSB's -13.38%.
On 10-year performance, IMCB leads with 11.06% vs 2.72% for IGSB. Both ETFs have the same 0.04% expense ratio. On volatility, IGSB has been the lower-risk option at 0.57%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IMCB has performed better with a 11.06% return vs 2.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IMCB and IGSB have the same expense ratio: 0.04% per year.
IGSB has the higher dividend yield at 4.60%, compared with 1.22% for IMCB.
IMCB is categorized as Mid Cap Blend Equities, while IGSB is Corporate Bonds. IMCB tracks IMCB-US - Morningstar U.S. Mid Cap Index, while IGSB tracks ICE BofA 1-5 Year US Corporate Index.
IGSB currently has the higher Sharpe Ratio (1.98 vs 1.54), 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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