IDMIX vs. VLTCX

Last updated Jun 4, 2026

IDMIX (iMGP Dolan McEniry Corporate Bond Fund) and VLTCX (Vanguard Long-Term Corporate Bond Index Fund Admiral Shares) are both Corporate Bonds funds. Over the past 5 years, IDMIX returned 0.90%/yr vs -1.46%/yr for VLTCX. A 0.73 correlation means they provide meaningful diversification when combined. IDMIX charges 0.70%/yr vs 0.07%/yr for VLTCX.

Performance

IDMIX vs. VLTCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iMGP Dolan McEniry Corporate Bond Fund (IDMIX) and Vanguard Long-Term Corporate Bond Index Fund Admiral Shares (VLTCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IDMIX achieves a 0.08% return, which is significantly lower than VLTCX's 1.22% return.

IDMIX

• 1D: 0.00%
• 1M: 0.58%
• YTD: 0.08%
• 6M: 0.45%
• 1Y: 4.83%
• 3Y*: 4.74%
• 5Y*: 0.90%
• 10Y*: —

VLTCX

• 1D: 0.10%
• 1M: 1.99%
• YTD: 1.22%
• 6M: 0.35%
• 1Y: 8.16%
• 3Y*: 4.67%
• 5Y*: -1.46%
• 10Y*: 2.42%

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

IDMIX vs. VLTCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
IDMIX iMGP Dolan McEniry Corporate Bond Fund	0.08%	7.58%	2.41%	5.96%	-9.71%	-1.54%	5.52%	11.26%	-0.17%
VLTCX Vanguard Long-Term Corporate Bond Index Fund Admiral Shares	1.22%	7.27%	-1.47%	11.05%	-25.77%	-1.16%	13.68%	23.19%	1.69%

Correlation

The correlation between IDMIX and VLTCX is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.77
Correlation (All Time) Calculated using the full available price history since Oct 31, 2018	0.73

The correlation between IDMIX and VLTCX has been stable across timeframes, ranging from 0.73 to 0.79 - a consistent structural relationship.

Return for Risk

IDMIX vs. VLTCX — Risk / Return Rank

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

IDMIX

IDMIX Risk / Return Rank: 38
IDMIX Sharpe Ratio Rank: 37
IDMIX Sortino Ratio Rank: 45
IDMIX Omega Ratio Rank: 39
IDMIX Calmar Ratio Rank: 32
IDMIX Martin Ratio Rank: 37

VLTCX

VLTCX Risk / Return Rank: 16
VLTCX Sharpe Ratio Rank: 16
VLTCX Sortino Ratio Rank: 15
VLTCX Omega Ratio Rank: 14
VLTCX Calmar Ratio Rank: 19
VLTCX 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.

IDMIX vs. VLTCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iMGP Dolan McEniry Corporate Bond Fund (IDMIX) and Vanguard Long-Term Corporate Bond Index Fund Admiral Shares (VLTCX). 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.

	IDMIX	VLTCX	Difference
Sharpe ratio: Return per unit of total volatility	1.76	1.11	+0.65
Sortino ratio: Return per unit of downside risk	2.82	1.62	+1.19
Omega ratio: Gain probability vs. loss probability	1.34	1.19	+0.14
Calmar ratio: Return relative to maximum drawdown	2.13	1.60	+0.53
Martin ratio: Return relative to average drawdown	8.09	3.93	+4.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IDMIX vs. VLTCX - Sharpe Ratio Comparison

The current IDMIX Sharpe Ratio is 1.76, which is higher than the VLTCX Sharpe Ratio of 1.11. The chart below compares the historical Sharpe Ratios of IDMIX and VLTCX, 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

	IDMIX	VLTCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.76	1.11	+0.65
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.23	-0.12	+0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.23	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.45	+0.20

Drawdowns

IDMIX vs. VLTCX - Drawdown Comparison

The maximum IDMIX drawdown since its inception was -14.19%, smaller than the maximum VLTCX drawdown of -34.56%. Use the drawdown chart below to compare losses from any high point for IDMIX and VLTCX.

Drawdown Indicators

	IDMIX	VLTCX	Difference
Max Drawdown Largest peak-to-trough decline	-14.19%	-34.56%	+20.37%
Max Drawdown (1Y) Largest decline over 1 year	-2.38%	-5.29%	+2.91%
Max Drawdown (3Y) Largest decline over 3 years	-3.81%	-12.87%	+9.06%
Max Drawdown (5Y) Largest decline over 5 years	-14.19%	-34.56%	+20.37%
Max Drawdown (10Y) Largest decline over 10 years	—	-34.56%	—
Current Drawdown Current decline from peak	-0.38%	-13.80%	+13.42%
Average Drawdown Average peak-to-trough decline	-3.77%	-8.04%	+4.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.63%	2.15%	-1.52%

Volatility

IDMIX vs. VLTCX - Volatility Comparison

The current volatility for iMGP Dolan McEniry Corporate Bond Fund (IDMIX) is 1.12%, while Vanguard Long-Term Corporate Bond Index Fund Admiral Shares (VLTCX) has a volatility of 2.46%. This indicates that IDMIX experiences smaller price fluctuations and is considered to be less risky than VLTCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IDMIX	VLTCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.12%	2.46%	-1.34%
Volatility (6M) Calculated over the trailing 6-month period	2.23%	5.52%	-3.29%
Volatility (1Y) Calculated over the trailing 1-year period	2.89%	7.68%	-4.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.86%	11.87%	-8.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.08%	10.60%	-6.52%

IDMIX vs. VLTCX - Expense Ratio Comparison

IDMIX has a 0.70% expense ratio, which is higher than VLTCX's 0.07% expense ratio.

Dividends

IDMIX vs. VLTCX - Dividend Comparison

IDMIX's dividend yield for the trailing twelve months is around 4.24%, less than VLTCX's 5.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDMIX iMGP Dolan McEniry Corporate Bond Fund	4.24%	4.53%	2.90%	2.42%	0.51%	1.25%	2.43%	2.96%	0.94%	0.00%	0.00%	0.00%
VLTCX Vanguard Long-Term Corporate Bond Index Fund Admiral Shares	5.50%	5.48%	5.58%	4.65%	4.41%	3.03%	3.15%	3.82%	4.56%	4.01%	4.37%	4.71%

Frequently Asked Questions

Can I hold both IDMIX and VLTCX in my portfolio?

IDMIX and VLTCX have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IDMIX or VLTCX?

VLTCX has higher volatility (2.46%) compared to IDMIX (1.12%). In terms of maximum drawdown, IDMIX dropped -14.19% vs VLTCX's -34.56%.

Which has better risk-adjusted returns?

IDMIX currently has the higher Sharpe Ratio (1.76 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.