DGCIX vs. VLCIX

Last updated Jun 4, 2026

DGCIX (Delaware Corporate Bond Fund) and VLCIX (Vanguard Long-Term Corporate Bond Index Fund Institutional Shares) are both Corporate Bonds funds. Over the past 10 years, DGCIX returned 3.03%/yr vs 2.43%/yr for VLCIX. Their correlation of 0.86 suggests significant overlap in exposure. DGCIX charges 0.57%/yr vs 0.05%/yr for VLCIX.

Performance

DGCIX vs. VLCIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Delaware Corporate Bond Fund (DGCIX) and Vanguard Long-Term Corporate Bond Index Fund Institutional Shares (VLCIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DGCIX achieves a 0.90% return, which is significantly lower than VLCIX's 1.23% return. Over the past 10 years, DGCIX has outperformed VLCIX with an annualized return of 3.03%, while VLCIX has yielded a comparatively lower 2.43% annualized return.

DGCIX

• 1D: 0.07%
• 1M: 1.08%
• YTD: 0.90%
• 6M: 0.85%
• 1Y: 6.24%
• 3Y*: 5.20%
• 5Y*: 0.17%
• 10Y*: 3.03%

VLCIX

• 1D: 0.12%
• 1M: 1.98%
• YTD: 1.23%
• 6M: 0.35%
• 1Y: 8.16%
• 3Y*: 4.70%
• 5Y*: -1.44%
• 10Y*: 2.43%

*Multi-year figures are annualized to reflect compound growth (CAGR)

DGCIX vs. VLCIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DGCIX Delaware Corporate Bond Fund	0.90%	6.89%	2.81%	7.08%	-16.87%	-0.65%	11.99%	17.38%	-3.78%	7.91%
VLCIX Vanguard Long-Term Corporate Bond Index Fund Institutional Shares	1.23%	7.27%	-1.43%	11.06%	-25.75%	-1.24%	13.74%	23.18%	-6.86%	12.42%

Correlation

The correlation between DGCIX and VLCIX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Nov 20, 2009	0.86

The correlation between DGCIX and VLCIX has been stable across timeframes, ranging from 0.86 to 0.94 - a consistent structural relationship.

Return for Risk

DGCIX vs. VLCIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

DGCIX

DGCIX Risk / Return Rank: 26
DGCIX Sharpe Ratio Rank: 26
DGCIX Sortino Ratio Rank: 27
DGCIX Omega Ratio Rank: 25
DGCIX Calmar Ratio Rank: 26
DGCIX Martin Ratio Rank: 27

VLCIX

VLCIX Risk / Return Rank: 16
VLCIX Sharpe Ratio Rank: 16
VLCIX Sortino Ratio Rank: 15
VLCIX Omega Ratio Rank: 14
VLCIX Calmar Ratio Rank: 19
VLCIX Martin Ratio Rank: 14

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

DGCIX vs. VLCIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Delaware Corporate Bond Fund (DGCIX) and Vanguard Long-Term Corporate Bond Index Fund Institutional Shares (VLCIX). 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.

	DGCIX	VLCIX	Difference
Sharpe ratio Return per unit of total volatility	1.47	1.11	+0.36
Sortino ratio Return per unit of downside risk	2.18	1.62	+0.56
Omega ratio Gain probability vs. loss probability	1.26	1.19	+0.07
Calmar ratio Return relative to maximum drawdown	1.88	1.61	+0.27
Martin ratio Return relative to average drawdown	6.47	3.96	+2.51
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DGCIX vs. VLCIX - Sharpe Ratio Comparison

The current DGCIX Sharpe Ratio is 1.47, which is higher than the VLCIX Sharpe Ratio of 1.11. The chart below compares the historical Sharpe Ratios of DGCIX and VLCIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DGCIX	VLCIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.47	1.11	+0.36
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.03	-0.12	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	0.23	+0.28
Sharpe Ratio (All Time) Calculated using the full available price history	0.99	0.45	+0.54

Drawdowns

DGCIX vs. VLCIX - Drawdown Comparison

The maximum DGCIX drawdown since its inception was -22.98%, smaller than the maximum VLCIX drawdown of -34.56%. Use the drawdown chart below to compare losses from any high point for DGCIX and VLCIX.

Drawdown Indicators

	DGCIX	VLCIX	Difference
Max Drawdown Largest peak-to-trough decline	-22.98%	-34.56%	+11.58%
Max Drawdown (1Y) Largest decline over 1 year	-3.42%	-5.26%	+1.84%
Max Drawdown (3Y) Largest decline over 3 years	-6.37%	-12.86%	+6.49%
Max Drawdown (5Y) Largest decline over 5 years	-22.98%	-34.56%	+11.58%
Max Drawdown (10Y) Largest decline over 10 years	-22.98%	-34.56%	+11.58%
Current Drawdown Current decline from peak	-2.81%	-13.74%	+10.93%
Average Drawdown Average peak-to-trough decline	-3.48%	-8.03%	+4.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.99%	2.13%	-1.14%

Volatility

DGCIX vs. VLCIX - Volatility Comparison

The current volatility for Delaware Corporate Bond Fund (DGCIX) is 1.50%, while Vanguard Long-Term Corporate Bond Index Fund Institutional Shares (VLCIX) has a volatility of 2.45%. This indicates that DGCIX experiences smaller price fluctuations and is considered to be less risky than VLCIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DGCIX	VLCIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.50%	2.45%	-0.95%
Volatility (6M) Calculated over the trailing 6-month period	3.26%	5.49%	-2.23%
Volatility (1Y) Calculated over the trailing 1-year period	4.39%	7.65%	-3.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.47%	11.88%	-5.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.03%	10.61%	-4.58%

DGCIX vs. VLCIX - Expense Ratio Comparison

DGCIX has a 0.57% expense ratio, which is higher than VLCIX's 0.05% expense ratio.

Dividends

DGCIX vs. VLCIX - Dividend Comparison

DGCIX's dividend yield for the trailing twelve months is around 5.10%, less than VLCIX's 5.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DGCIX Delaware Corporate Bond Fund	5.10%	5.06%	4.84%	3.78%	3.81%	4.56%	3.72%	4.54%	4.18%	4.11%	3.63%	4.17%
VLCIX Vanguard Long-Term Corporate Bond Index Fund Institutional Shares	5.52%	5.50%	5.60%	4.67%	4.43%	2.95%	3.17%	3.83%	4.58%	4.03%	4.39%	4.73%

Frequently Asked Questions

Can I hold both DGCIX and VLCIX in my portfolio?

With a correlation of 0.91, DGCIX and VLCIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, DGCIX or VLCIX?

VLCIX has higher volatility (2.45%) compared to DGCIX (1.50%). In terms of maximum drawdown, DGCIX dropped -22.98% vs VLCIX's -34.56%.

Which has better risk-adjusted returns?

DGCIX currently has the higher Sharpe Ratio (1.47 vs 1.11), 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.