VDIPX vs. DOXFX

Last updated Jun 23, 2026

VDIPX (Vanguard Developed Markets Index Fund Institutional Plus Shares) and DOXFX (Dodge & Cox International Stock X) are both Foreign Large Cap Equities funds. Over the past 3 years, VDIPX returned 19.28%/yr vs 19.69%/yr for DOXFX. Their correlation of 0.90 suggests significant overlap in exposure. VDIPX charges 0.04%/yr vs 0.52%/yr for DOXFX.

Performance

VDIPX vs. DOXFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX) and Dodge & Cox International Stock X (DOXFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VDIPX achieves a 16.51% return, which is significantly higher than DOXFX's 13.18% return.

VDIPX

• 1D: 1.28%
• 1M: 3.03%
• YTD: 16.51%
• 6M: 17.26%
• 1Y: 35.20%
• 3Y*: 19.28%
• 5Y*: 10.54%
• 10Y*: 10.47%

DOXFX

• 1D: 0.54%
• 1M: 2.64%
• YTD: 13.18%
• 6M: 13.81%
• 1Y: 32.47%
• 3Y*: 19.69%
• 5Y*: —
• 10Y*: —

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

VDIPX vs. DOXFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
VDIPX Vanguard Developed Markets Index Fund Institutional Plus Shares	16.51%	35.15%	3.08%	17.78%	-1.08%
DOXFX Dodge & Cox International Stock X	13.18%	38.90%	3.85%	16.81%	-0.58%

Correlation

The correlation between VDIPX and DOXFX is 0.86, 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	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (All Time) Calculated using the full available price history since Dec 12, 2022	0.90

The correlation between VDIPX and DOXFX has been stable across timeframes, ranging from 0.86 to 0.90 - a consistent structural relationship.

Return for Risk

VDIPX vs. DOXFX — Risk / Return Rank

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

VDIPX

VDIPX Risk / Return Rank: 61
VDIPX Sharpe Ratio Rank: 64
VDIPX Sortino Ratio Rank: 57
VDIPX Omega Ratio Rank: 60
VDIPX Calmar Ratio Rank: 65
VDIPX Martin Ratio Rank: 60

DOXFX

DOXFX Risk / Return Rank: 66
DOXFX Sharpe Ratio Rank: 74
DOXFX Sortino Ratio Rank: 66
DOXFX Omega Ratio Rank: 71
DOXFX Calmar Ratio Rank: 61
DOXFX Martin Ratio Rank: 58

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.

VDIPX vs. DOXFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX) and Dodge & Cox International Stock X (DOXFX). 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.

	VDIPX	DOXFX	Difference
Sharpe ratio: Return per unit of total volatility	2.16	2.30	-0.14
Sortino ratio: Return per unit of downside risk	2.91	3.09	-0.18
Omega ratio: Gain probability vs. loss probability	1.39	1.43	-0.03
Calmar ratio: Return relative to maximum drawdown	2.95	2.86	+0.09
Martin ratio: Return relative to average drawdown	11.32	10.87	+0.45

VDIPX vs. DOXFX - Sharpe Ratio Comparison

The current VDIPX Sharpe Ratio is 2.16, which is comparable to the DOXFX Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of VDIPX and DOXFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

VDIPX vs. DOXFX - Drawdown Comparison

The maximum VDIPX drawdown since its inception was -35.61%, which is greater than DOXFX's maximum drawdown of -14.41%. Use the drawdown chart below to compare losses from any high point for VDIPX and DOXFX.

Drawdown Indicators

	VDIPX	DOXFX	Difference
Max Drawdown Largest peak-to-trough decline	-35.61%	-14.41%	-21.20%
Max Drawdown (1Y) Largest decline over 1 year	-11.67%	-11.08%	-0.59%
Max Drawdown (3Y) Largest decline over 3 years	-13.15%	-14.41%	+1.26%
Max Drawdown (5Y) Largest decline over 5 years	-29.69%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-35.61%	—	—
Current Drawdown Current decline from peak	0.00%	-0.16%	+0.16%
Average Drawdown Average peak-to-trough decline	-7.18%	-2.71%	-4.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.04%	2.91%	+0.13%

Volatility

VDIPX vs. DOXFX - Volatility Comparison

Vanguard Developed Markets Index Fund Institutional Plus Shares (VDIPX) has a higher volatility of 6.33% compared to Dodge & Cox International Stock X (DOXFX) at 5.52%. This indicates that VDIPX's price experiences larger fluctuations and is considered to be riskier than DOXFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VDIPX	DOXFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.33%	5.52%	+0.81%
Volatility (6M) Calculated over the trailing 6-month period	13.67%	11.90%	+1.77%
Volatility (1Y) Calculated over the trailing 1-year period	15.96%	13.80%	+2.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.05%	14.06%	+1.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.58%	14.06%	+2.52%

VDIPX vs. DOXFX - Expense Ratio Comparison

VDIPX has a 0.04% expense ratio, which is lower than DOXFX's 0.52% expense ratio.

Dividends

VDIPX vs. DOXFX - Dividend Comparison

VDIPX's dividend yield for the trailing twelve months is around 2.52%, less than DOXFX's 4.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DOXFX Dodge & Cox International Stock X	4.55%	5.15%	2.36%	2.38%	2.30%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VDIPX Vanguard Developed Markets Index Fund Institutional Plus Shares	2.52%	3.23%	3.37%	3.16%	2.92%	3.17%	2.05%	3.05%	3.36%	2.79%	3.08%	2.95%

Frequently Asked Questions

Can I hold both VDIPX and DOXFX in my portfolio?

VDIPX and DOXFX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VDIPX or DOXFX?

VDIPX has higher volatility (6.33%) compared to DOXFX (5.52%). In terms of maximum drawdown, VDIPX dropped -35.61% vs DOXFX's -14.41%.

Which has better risk-adjusted returns?

DOXFX currently has the higher Sharpe Ratio (2.30 vs 2.16), 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.