VLMIX vs. DEEIX
VLMIX (Vanguard Long-Term Investment-Grade Fund Investor Shares) and DEEIX (Delaware Extended Duration Bond Fund) are both Long-Term Bond funds. Over the past 5 years, VLMIX returned 6.09%/yr vs -2.72%/yr for DEEIX. At a 0.12 correlation, their price movements are largely independent. VLMIX charges 0.20%/yr vs 0.57%/yr for DEEIX.
Performance
VLMIX vs. DEEIX - Performance Comparison
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Returns By Period
In the year-to-date period, VLMIX achieves a -0.73% return, which is significantly lower than DEEIX's 0.93% return.
VLMIX
- 1D
- -0.50%
- 1M
- 0.77%
- YTD
- -0.73%
- 6M
- -2.27%
- 1Y
- -1.96%
- 3Y*
- 6.92%
- 5Y*
- 6.09%
- 10Y*
- —
DEEIX
- 1D
- -0.57%
- 1M
- 1.31%
- YTD
- 0.93%
- 6M
- 1.23%
- 1Y
- 6.11%
- 3Y*
- 3.61%
- 5Y*
- -2.72%
- 10Y*
- 1.95%
VLMIX vs. DEEIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VLMIX Vanguard Long-Term Investment-Grade Fund Investor Shares | -0.73% | 1.01% | 7.83% | 22.39% | -9.40% | 20.12% | 20.25% | 35.69% | 4.91% | 7.31% |
DEEIX Delaware Extended Duration Bond Fund | 0.93% | 6.26% | -1.29% | 9.21% | -26.47% | -0.70% | 15.17% | 22.02% | -7.69% | 3.85% |
Correlation
The correlation between VLMIX and DEEIX is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.33 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.26 |
Correlation (All Time) Calculated using the full available price history since Aug 23, 2017 | 0.12 |
Over the past year, VLMIX and DEEIX have become more correlated (0.39) than their long-term average of 0.12, meaning their price movements have been converging.
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Return for Risk
VLMIX vs. DEEIX — Risk / Return Rank
VLMIX
DEEIX
VLMIX vs. DEEIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Long-Term Investment-Grade Fund Investor Shares (VLMIX) and Delaware Extended Duration Bond Fund (DEEIX). 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.
| VLMIX | DEEIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.90 | ||
| Sortino ratioReturn per unit of downside risk | -1.23 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.15 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | -0.05 | 1.23 | -1.28 |
| Martin ratioReturn relative to average drawdown | -0.15 | 3.12 | -3.27 |
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Drawdowns
VLMIX vs. DEEIX - Drawdown Comparison
The maximum VLMIX drawdown since its inception was -35.47%, roughly equal to the maximum DEEIX drawdown of -34.48%. Use the drawdown chart below to compare losses from any high point for VLMIX and DEEIX.
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Drawdown Indicators
| VLMIX | DEEIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.47% | -34.48% | -0.99% |
Max Drawdown (1Y)Largest decline over 1 year | -11.77% | -5.14% | -6.63% |
Max Drawdown (3Y)Largest decline over 3 years | -17.59% | -12.53% | -5.06% |
Max Drawdown (5Y)Largest decline over 5 years | -21.85% | -34.48% | +12.63% |
Max Drawdown (10Y)Largest decline over 10 years | — | -34.48% | — |
Current DrawdownCurrent decline from peak | -7.92% | -16.71% | +8.79% |
Average DrawdownAverage peak-to-trough decline | -4.82% | -6.46% | +1.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.25% | 2.02% | +2.23% |
Volatility
VLMIX vs. DEEIX - Volatility Comparison
Vanguard Long-Term Investment-Grade Fund Investor Shares (VLMIX) has a higher volatility of 3.59% compared to Delaware Extended Duration Bond Fund (DEEIX) at 1.83%. This indicates that VLMIX's price experiences larger fluctuations and is considered to be riskier than DEEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VLMIX | DEEIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.59% | 1.83% | +1.76% |
Volatility (6M)Calculated over the trailing 6-month period | 10.22% | 5.43% | +4.79% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.61% | 7.47% | +6.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.89% | 11.60% | +5.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.67% | 10.61% | +8.06% |
VLMIX vs. DEEIX - Expense Ratio Comparison
VLMIX has a 0.20% expense ratio, which is lower than DEEIX's 0.57% expense ratio.
Dividends
VLMIX vs. DEEIX - Dividend Comparison
VLMIX's dividend yield for the trailing twelve months is around 2.15%, less than DEEIX's 5.19% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DEEIX Delaware Extended Duration Bond Fund | 5.19% | 5.05% | 4.90% | 3.95% | 4.35% | 7.87% | 10.28% | 4.79% | 4.56% | 3.74% | 3.75% | 4.62% |
VLMIX Vanguard Long-Term Investment-Grade Fund Investor Shares | 2.15% | 2.14% | 1.21% | 0.22% | 7.46% | 8.18% | 8.10% | 1.63% | 5.11% | 1.61% | 0.00% | 0.00% |
Frequently Asked Questions
VLMIX and DEEIX have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VLMIX has higher volatility (3.59%) compared to DEEIX (1.83%). In terms of maximum drawdown, VLMIX dropped -35.47% vs DEEIX's -34.48%.
DEEIX currently has the higher Sharpe Ratio (0.85 vs -0.05), 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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