ACCBX vs. IEI
ACCBX (Invesco Corporate Bond Fund) and IEI (iShares 3-7 Year Treasury Bond ETF) are both funds - ACCBX is a Corporate Bonds fund managed by Invesco, while IEI is a Government Bonds fund tracking the ICE U.S. Treasury 3-7 Year Bond Index. Over the past 10 years, ACCBX returned 2.88%/yr vs 1.20%/yr for IEI. A 0.75 correlation means they provide meaningful diversification when combined. ACCBX charges 0.72%/yr vs 0.15%/yr for IEI.
Performance
ACCBX vs. IEI - Performance Comparison
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Returns By Period
In the year-to-date period, ACCBX achieves a 0.13% return, which is significantly higher than IEI's -0.42% return. Over the past 10 years, ACCBX has outperformed IEI with an annualized return of 2.88%, while IEI has yielded a comparatively lower 1.20% annualized return.
ACCBX
- 1D
- -0.48%
- 1M
- 0.58%
- YTD
- 0.13%
- 6M
- 0.55%
- 1Y
- 5.09%
- 3Y*
- 5.12%
- 5Y*
- -0.21%
- 10Y*
- 2.88%
IEI
- 1D
- 0.13%
- 1M
- 0.25%
- YTD
- -0.42%
- 6M
- -0.24%
- 1Y
- 2.48%
- 3Y*
- 3.67%
- 5Y*
- 0.31%
- 10Y*
- 1.20%
ACCBX vs. IEI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACCBX Invesco Corporate Bond Fund | 0.13% | 7.34% | 2.87% | 7.01% | -16.72% | 0.31% | 11.43% | 15.78% | -4.13% | 7.27% |
IEI iShares 3-7 Year Treasury Bond ETF | -0.42% | 6.96% | 1.81% | 4.42% | -9.51% | -2.54% | 6.95% | 5.71% | 1.36% | 1.22% |
Correlation
The correlation between ACCBX and IEI 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 | 0.84 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.82 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.76 |
Correlation (All Time) Calculated using the full available price history since Jan 11, 2007 | 0.75 |
The correlation between ACCBX and IEI has been stable across timeframes, ranging from 0.75 to 0.84 - a consistent structural relationship.
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Return for Risk
ACCBX vs. IEI — Risk / Return Rank
ACCBX
IEI
ACCBX vs. IEI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Corporate Bond Fund (ACCBX) and iShares 3-7 Year Treasury Bond ETF (IEI). 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.
| ACCBX | IEI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.48 | ||
| Sortino ratioReturn per unit of downside risk | +0.68 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.14 | +0.10 |
| Calmar ratioReturn relative to maximum drawdown | 1.53 | 1.00 | +0.53 |
| Martin ratioReturn relative to average drawdown | 5.12 | 2.67 | +2.45 |
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Drawdowns
ACCBX vs. IEI - Drawdown Comparison
The maximum ACCBX drawdown since its inception was -45.26%, which is greater than IEI's maximum drawdown of -14.60%. Use the drawdown chart below to compare losses from any high point for ACCBX and IEI.
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Drawdown Indicators
| ACCBX | IEI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.26% | -14.60% | -30.66% |
Max Drawdown (1Y)Largest decline over 1 year | -3.46% | -2.50% | -0.96% |
Max Drawdown (3Y)Largest decline over 3 years | -6.72% | -3.66% | -3.06% |
Max Drawdown (5Y)Largest decline over 5 years | -23.59% | -13.88% | -9.71% |
Max Drawdown (10Y)Largest decline over 10 years | -23.59% | -14.60% | -8.99% |
Current DrawdownCurrent decline from peak | -3.19% | -1.85% | -1.34% |
Average DrawdownAverage peak-to-trough decline | -10.85% | -2.67% | -8.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.03% | 0.93% | +0.10% |
Volatility
ACCBX vs. IEI - Volatility Comparison
Invesco Corporate Bond Fund (ACCBX) has a higher volatility of 1.29% compared to iShares 3-7 Year Treasury Bond ETF (IEI) at 0.98%. This indicates that ACCBX's price experiences larger fluctuations and is considered to be riskier than IEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACCBX | IEI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.29% | 0.98% | +0.31% |
Volatility (6M)Calculated over the trailing 6-month period | 3.11% | 2.25% | +0.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.07% | 3.03% | +1.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.28% | 4.78% | +1.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.73% | 3.93% | +1.80% |
ACCBX vs. IEI - Expense Ratio Comparison
ACCBX has a 0.72% expense ratio, which is higher than IEI's 0.15% expense ratio.
Dividends
ACCBX vs. IEI - Dividend Comparison
ACCBX's dividend yield for the trailing twelve months is around 5.02%, more than IEI's 3.64% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACCBX Invesco Corporate Bond Fund | 5.02% | 4.95% | 4.63% | 3.78% | 3.84% | 4.91% | 5.98% | 3.67% | 4.22% | 4.13% | 3.64% | 3.88% |
IEI iShares 3-7 Year Treasury Bond ETF | 3.64% | 3.48% | 3.18% | 2.36% | 1.37% | 0.73% | 1.12% | 2.01% | 1.95% | 1.51% | 1.33% | 1.39% |
Frequently Asked Questions
ACCBX and IEI 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.
ACCBX has higher volatility (1.29%) compared to IEI (0.98%). In terms of maximum drawdown, ACCBX dropped -45.26% vs IEI's -14.60%.
ACCBX currently has the higher Sharpe Ratio (1.30 vs 0.82), 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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