VTMGX vs. VIAAX

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Developed Markets Index Fund Admiral Shares (VTMGX) and Vanguard International Dividend Appreciation Index Fund Admiral Shares (VIAAX).

VTMGX is managed by Vanguard. It was launched on Aug 17, 1999. VIAAX is managed by Vanguard. It was launched on Mar 2, 2016.

Performance

VTMGX vs. VIAAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Developed Markets Index Fund Admiral Shares (VTMGX) and Vanguard International Dividend Appreciation Index Fund Admiral Shares (VIAAX). The values are adjusted to include any dividend payments, if applicable.

VTMGX vs. VIAAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VTMGX Vanguard Developed Markets Index Fund Admiral Shares	-0.48%	35.17%	3.03%	17.65%	-15.33%	11.39%	10.25%	22.04%	-14.48%	26.39%
VIAAX Vanguard International Dividend Appreciation Index Fund Admiral Shares	-5.04%	16.83%	2.60%	16.07%	-16.66%	12.36%	15.10%	26.99%	-11.32%	27.83%

Returns By Period

In the year-to-date period, VTMGX achieves a -0.48% return, which is significantly higher than VIAAX's -5.04% return. Over the past 10 years, VTMGX has outperformed VIAAX with an annualized return of 8.99%, while VIAAX has yielded a comparatively lower 7.38% annualized return.

VTMGX

• 1D: 0.05%
• 1M: -11.62%
• YTD: -0.48%
• 6M: 5.23%
• 1Y: 25.87%
• 3Y*: 14.82%
• 5Y*: 8.15%
• 10Y*: 8.99%

VIAAX

• 1D: 0.58%
• 1M: -9.93%
• YTD: -5.04%
• 6M: -2.92%
• 1Y: 6.36%
• 3Y*: 7.55%
• 5Y*: 4.04%
• 10Y*: 7.38%

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

VTMGX vs. VIAAX - Expense Ratio Comparison

VTMGX has a 0.07% expense ratio, which is lower than VIAAX's 0.16% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

VIAAX

Vanguard International Dividend Appreciation Index Fund Admiral Shares

VTMGX

Vanguard Developed Markets Index Fund Admiral Shares

Return for Risk

VTMGX vs. VIAAX — Risk / Return Rank

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

VTMGX

VTMGX Risk / Return Rank: 81
VTMGX Sharpe Ratio Rank: 82
VTMGX Sortino Ratio Rank: 80
VTMGX Omega Ratio Rank: 78
VTMGX Calmar Ratio Rank: 83
VTMGX Martin Ratio Rank: 81

VIAAX

VIAAX Risk / Return Rank: 15
VIAAX Sharpe Ratio Rank: 15
VIAAX Sortino Ratio Rank: 14
VIAAX Omega Ratio Rank: 14
VIAAX Calmar Ratio Rank: 16
VIAAX Martin Ratio Rank: 17

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.

VTMGX vs. VIAAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Developed Markets Index Fund Admiral Shares (VTMGX) and Vanguard International Dividend Appreciation Index Fund Admiral Shares (VIAAX). 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.

	VTMGX	VIAAX	Difference
Sharpe ratio Return per unit of total volatility	1.51	0.38	+1.13
Sortino ratio Return per unit of downside risk	2.01	0.62	+1.39
Omega ratio Gain probability vs. loss probability	1.30	1.08	+0.22
Calmar ratio Return relative to maximum drawdown	2.01	0.46	+1.55
Martin ratio Return relative to average drawdown	7.98	1.71	+6.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VTMGX vs. VIAAX - Sharpe Ratio Comparison

The current VTMGX Sharpe Ratio is 1.51, which is higher than the VIAAX Sharpe Ratio of 0.38. The chart below compares the historical Sharpe Ratios of VTMGX and VIAAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VTMGX	VIAAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.51	0.38	+1.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.29	+0.23
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	0.49	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.51	-0.23

Correlation

The correlation between VTMGX and VIAAX is 0.94, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

VTMGX vs. VIAAX - Dividend Comparison

VTMGX's dividend yield for the trailing twelve months is around 3.01%, more than VIAAX's 2.26% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VTMGX Vanguard Developed Markets Index Fund Admiral Shares	3.01%	3.20%	3.34%	3.14%	2.88%	3.14%	2.02%	3.03%	3.33%	2.77%	3.06%	2.91%
VIAAX Vanguard International Dividend Appreciation Index Fund Admiral Shares	2.26%	2.09%	1.92%	1.92%	2.05%	7.01%	1.28%	1.83%	1.99%	1.69%	0.68%	0.00%

Drawdowns

VTMGX vs. VIAAX - Drawdown Comparison

The maximum VTMGX drawdown since its inception was -60.58%, which is greater than VIAAX's maximum drawdown of -30.78%. Use the drawdown chart below to compare losses from any high point for VTMGX and VIAAX.

Drawdown Indicators

	VTMGX	VIAAX	Difference
Max Drawdown Largest peak-to-trough decline	-60.58%	-30.78%	-29.80%
Max Drawdown (1Y) Largest decline over 1 year	-11.67%	-10.52%	-1.15%
Max Drawdown (5Y) Largest decline over 5 years	-29.71%	-28.59%	-1.12%
Max Drawdown (10Y) Largest decline over 10 years	-35.68%	-30.78%	-4.90%
Current Drawdown Current decline from peak	-11.62%	-10.00%	-1.62%
Average Drawdown Average peak-to-trough decline	-14.74%	-6.19%	-8.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.94%	2.80%	+0.14%

Volatility

VTMGX vs. VIAAX - Volatility Comparison

Vanguard Developed Markets Index Fund Admiral Shares (VTMGX) has a higher volatility of 7.09% compared to Vanguard International Dividend Appreciation Index Fund Admiral Shares (VIAAX) at 5.77%. This indicates that VTMGX's price experiences larger fluctuations and is considered to be riskier than VIAAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VTMGX	VIAAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.09%	5.77%	+1.32%
Volatility (6M) Calculated over the trailing 6-month period	10.91%	9.77%	+1.14%
Volatility (1Y) Calculated over the trailing 1-year period	16.47%	15.29%	+1.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.60%	13.97%	+1.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.42%	15.13%	+1.29%