IBDT vs. VCIT
IBDT (iShares iBonds Dec 2028 Term Corporate ETF) and VCIT (Vanguard Intermediate-Term Corporate Bond ETF) are both Corporate Bonds funds - IBDT tracks the Bloomberg December 2028 Maturity Corporate Index while VCIT tracks the Barclays U.S. 5-10 Year Corp Index. Both are passively managed. Over the past 5 years, IBDT returned 1.39%/yr vs 1.22%/yr for VCIT. Their correlation of 0.86 suggests significant overlap in exposure. IBDT charges 0.10%/yr vs 0.04%/yr for VCIT.
Performance
IBDT vs. VCIT - Performance Comparison
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Returns By Period
In the year-to-date period, IBDT achieves a 0.78% return, which is significantly higher than VCIT's 0.18% return.
IBDT
- 1D
- -0.06%
- 1M
- 0.27%
- YTD
- 0.78%
- 6M
- 1.15%
- 1Y
- 4.55%
- 3Y*
- 5.51%
- 5Y*
- 1.39%
- 10Y*
- —
VCIT
- 1D
- -0.22%
- 1M
- 0.28%
- YTD
- 0.18%
- 6M
- 0.07%
- 1Y
- 6.13%
- 3Y*
- 6.00%
- 5Y*
- 1.22%
- 10Y*
- 2.93%
IBDT vs. VCIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 0.78% | 7.02% | 3.97% | 7.72% | -11.42% | -1.90% | 9.62% | 15.15% | 1.19% |
VCIT Vanguard Intermediate-Term Corporate Bond ETF | 0.18% | 9.34% | 3.20% | 8.98% | -13.98% | -1.77% | 9.46% | 14.10% | 0.61% |
Correlation
The correlation between IBDT and VCIT is 0.84, 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 | 0.84 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Sep 21, 2018 | 0.86 |
The correlation between IBDT and VCIT has been stable across timeframes, ranging from 0.84 to 0.91 - a consistent structural relationship.
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Return for Risk
IBDT vs. VCIT — Risk / Return Rank
IBDT
VCIT
IBDT vs. VCIT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2028 Term Corporate ETF (IBDT) and Vanguard Intermediate-Term Corporate Bond ETF (VCIT). 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.
| IBDT | VCIT | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.81 | 1.50 | +1.31 |
Sortino ratioReturn per unit of downside risk | 4.50 | 2.22 | +2.28 |
Omega ratioGain probability vs. loss probability | 1.59 | 1.27 | +0.32 |
Calmar ratioReturn relative to maximum drawdown | 4.44 | 2.08 | +2.36 |
Martin ratioReturn relative to average drawdown | 20.21 | 6.95 | +13.26 |
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
| IBDT | VCIT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.81 | 1.50 | +1.31 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.28 | 0.19 | +0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.47 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.61 | 0.75 | -0.14 |
Drawdowns
IBDT vs. VCIT - Drawdown Comparison
The maximum IBDT drawdown since its inception was -17.79%, smaller than the maximum VCIT drawdown of -20.56%. Use the drawdown chart below to compare losses from any high point for IBDT and VCIT.
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Drawdown Indicators
| IBDT | VCIT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.79% | -20.56% | +2.77% |
Max Drawdown (1Y)Largest decline over 1 year | -1.03% | -2.96% | +1.93% |
Max Drawdown (3Y)Largest decline over 3 years | -3.19% | -6.11% | +2.92% |
Max Drawdown (5Y)Largest decline over 5 years | -17.68% | -20.56% | +2.88% |
Max Drawdown (10Y)Largest decline over 10 years | — | -20.56% | — |
Current DrawdownCurrent decline from peak | -0.09% | -1.36% | +1.27% |
Average DrawdownAverage peak-to-trough decline | -4.16% | -3.16% | -1.00% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.23% | 0.88% | -0.65% |
Volatility
IBDT vs. VCIT - Volatility Comparison
The current volatility for iShares iBonds Dec 2028 Term Corporate ETF (IBDT) is 0.34%, while Vanguard Intermediate-Term Corporate Bond ETF (VCIT) has a volatility of 1.38%. This indicates that IBDT experiences smaller price fluctuations and is considered to be less risky than VCIT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBDT | VCIT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.34% | 1.38% | -1.04% |
Volatility (6M)Calculated over the trailing 6-month period | 1.04% | 3.06% | -2.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.62% | 4.10% | -2.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.07% | 6.61% | -1.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.37% | 6.28% | +0.09% |
IBDT vs. VCIT - Expense Ratio Comparison
IBDT has a 0.10% expense ratio, which is higher than VCIT's 0.04% 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
IBDT vs. VCIT - Dividend Comparison
IBDT's dividend yield for the trailing twelve months is around 4.55%, less than VCIT's 4.80% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 4.55% | 4.56% | 4.67% | 4.10% | 3.25% | 2.45% | 2.80% | 3.32% | 1.47% | 0.00% | 0.00% | 0.00% |
VCIT Vanguard Intermediate-Term Corporate Bond ETF | 4.80% | 4.62% | 4.43% | 3.72% | 3.03% | 2.87% | 2.78% | 3.37% | 3.61% | 3.21% | 3.29% | 3.34% |
Frequently Asked Questions
IBDT and VCIT have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VCIT has higher volatility (1.38%) compared to IBDT (0.34%). In terms of maximum drawdown, IBDT dropped -17.79% vs VCIT's -20.56%.
On 5-year performance, IBDT leads with 1.39% vs 1.22% for VCIT. On fees, VCIT is cheaper at 0.04% per year. On volatility, IBDT has been the lower-risk option at 0.34%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IBDT has performed better with a 1.39% return vs 1.22%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VCIT is cheaper with a 0.04% expense ratio, compared with 0.10% for IBDT.
VCIT has the higher dividend yield at 4.80%, compared with 4.55% for IBDT.
IBDT tracks Bloomberg December 2028 Maturity Corporate Index, while VCIT tracks Barclays U.S. 5-10 Year Corp Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.10% for IBDT and 0.04% for VCIT.
IBDT currently has the higher Sharpe Ratio (2.81 vs 1.50), 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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