IBDS vs. IGSB
IBDS (iShares iBonds Dec 2027 Term Corporate ETF) and IGSB (iShares Short-Term Corporate Bond ETF) are both Corporate Bonds funds from iShares - IBDS tracks the Bloomberg Barclays December 2027 Maturity Corporate Index while IGSB tracks the ICE BofAML 1-5 Year US Corporate Index. Both are passively managed. Over the past 5 years, IBDS returned 1.45%/yr vs 2.43%/yr for IGSB. A 0.77 correlation means they provide meaningful diversification when combined. IBDS charges 0.10%/yr vs 0.06%/yr for IGSB.
Performance
IBDS vs. IGSB - Performance Comparison
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Returns By Period
In the year-to-date period, IBDS achieves a 1.23% return, which is significantly higher than IGSB's 0.72% return.
IBDS
- 1D
- -0.04%
- 1M
- 0.31%
- YTD
- 1.23%
- 6M
- 1.61%
- 1Y
- 4.57%
- 3Y*
- 5.28%
- 5Y*
- 1.45%
- 10Y*
- —
IGSB
- 1D
- -0.06%
- 1M
- 0.27%
- YTD
- 0.72%
- 6M
- 1.01%
- 1Y
- 4.72%
- 3Y*
- 5.66%
- 5Y*
- 2.43%
- 10Y*
- 2.74%
IBDS vs. IGSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IBDS iShares iBonds Dec 2027 Term Corporate ETF | 1.23% | 5.86% | 4.61% | 6.44% | -9.52% | -1.56% | 8.95% | 15.08% | -2.76% | 1.14% |
IGSB iShares Short-Term Corporate Bond ETF | 0.72% | 6.96% | 4.97% | 6.40% | -5.63% | -0.56% | 5.37% | 7.11% | 1.25% | -0.22% |
Correlation
The correlation between IBDS and IGSB is 0.80, 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 | 0.80 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.89 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.88 |
Correlation (All Time) Calculated using the full available price history since Sep 15, 2017 | 0.77 |
The correlation between IBDS and IGSB shifts across timeframes, from 0.77 (all time) to 0.89 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
IBDS vs. IGSB — Risk / Return Rank
IBDS
IGSB
IBDS vs. IGSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2027 Term Corporate ETF (IBDS) and iShares Short-Term 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.
| IBDS | IGSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.73 | ||
| Sortino ratioReturn per unit of downside risk | +4.19 | ||
| Omega ratioGain probability vs. loss probability | 2.09 | 1.49 | +0.60 |
| Calmar ratioReturn relative to maximum drawdown | 10.55 | 3.25 | +7.30 |
| Martin ratioReturn relative to average drawdown | 48.73 | 13.22 | +35.52 |
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
| IBDS | IGSB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 4.19 | 2.46 | +1.73 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.35 | 0.83 | -0.48 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.79 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.57 | 0.70 | -0.13 |
Drawdowns
IBDS vs. IGSB - Drawdown Comparison
The maximum IBDS drawdown since its inception was -16.75%, which is greater than IGSB's maximum drawdown of -13.38%. Use the drawdown chart below to compare losses from any high point for IBDS and IGSB.
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Drawdown Indicators
| IBDS | IGSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.75% | -13.38% | -3.37% |
Max Drawdown (1Y)Largest decline over 1 year | -0.43% | -1.46% | +1.03% |
Max Drawdown (3Y)Largest decline over 3 years | -2.27% | -1.46% | -0.81% |
Max Drawdown (5Y)Largest decline over 5 years | -14.98% | -9.46% | -5.52% |
Max Drawdown (10Y)Largest decline over 10 years | — | -13.38% | — |
Current DrawdownCurrent decline from peak | -0.06% | -0.32% | +0.26% |
Average DrawdownAverage peak-to-trough decline | -3.36% | -0.85% | -2.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.09% | 0.36% | -0.27% |
Volatility
IBDS vs. IGSB - Volatility Comparison
The current volatility for iShares iBonds Dec 2027 Term Corporate ETF (IBDS) is 0.15%, while iShares Short-Term Corporate Bond ETF (IGSB) has a volatility of 0.57%. This indicates that IBDS experiences smaller price fluctuations and is considered to be less risky 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
| IBDS | IGSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.15% | 0.57% | -0.42% |
Volatility (6M)Calculated over the trailing 6-month period | 0.64% | 1.41% | -0.77% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.10% | 1.92% | -0.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.18% | 2.93% | +1.25% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.55% | 3.46% | +2.09% |
IBDS vs. IGSB - Expense Ratio Comparison
IBDS has a 0.10% expense ratio, which is higher than IGSB'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
IBDS vs. IGSB - Dividend Comparison
IBDS's dividend yield for the trailing twelve months is around 4.32%, less than IGSB's 4.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBDS iShares iBonds Dec 2027 Term Corporate ETF | 4.32% | 4.36% | 4.37% | 3.81% | 2.87% | 2.19% | 2.66% | 3.32% | 3.66% | 0.97% | 0.00% | 0.00% |
IGSB iShares Short-Term Corporate Bond ETF | 4.58% | 4.44% | 4.02% | 3.26% | 2.07% | 1.82% | 2.36% | 3.06% | 2.46% | 1.65% | 1.45% | 1.18% |
Frequently Asked Questions
IBDS and IGSB have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IGSB has higher volatility (0.57%) compared to IBDS (0.15%). In terms of maximum drawdown, IBDS dropped -16.75% vs IGSB's -13.38%.
On 5-year performance, IGSB leads with 2.43% vs 1.45% for IBDS. On fees, IGSB is cheaper at 0.06% per year. On volatility, IBDS has been the lower-risk option at 0.15%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IGSB has performed better with a 2.43% return vs 1.45%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IGSB is cheaper with a 0.06% expense ratio, compared with 0.10% for IBDS.
IGSB has the higher dividend yield at 4.58%, compared with 4.32% for IBDS.
IBDS tracks Bloomberg Barclays December 2027 Maturity Corporate Index, while IGSB tracks ICE BofAML 1-5 Year US Corporate Index. Their fees differ too: 0.10% for IBDS and 0.06% for IGSB.
IBDS currently has the higher Sharpe Ratio (4.19 vs 2.46), 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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