DOXFX vs. VTSPX

Last updated Jun 4, 2026

DOXFX (Dodge & Cox International Stock X) and VTSPX (Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares) are both mutual funds - DOXFX is a Foreign Large Cap Equities fund managed by Dodge & Cox, while VTSPX is a Inflation-Protected Bonds fund managed by Vanguard. Over the past 3 years, DOXFX returned 20.96%/yr vs 5.26%/yr for VTSPX. At a 0.14 correlation, their price movements are largely independent. DOXFX charges 0.52%/yr vs 0.04%/yr for VTSPX.

Performance

DOXFX vs. VTSPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dodge & Cox International Stock X (DOXFX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DOXFX achieves a 12.82% return, which is significantly higher than VTSPX's 2.06% return.

DOXFX

• 1D: 0.87%
• 1M: 5.33%
• YTD: 12.82%
• 6M: 16.08%
• 1Y: 31.62%
• 3Y*: 20.96%
• 5Y*: —
• 10Y*: —

VTSPX

• 1D: 0.00%
• 1M: 0.04%
• YTD: 2.06%
• 6M: 2.05%
• 1Y: 4.72%
• 3Y*: 5.26%
• 5Y*: 3.40%
• 10Y*: 3.16%

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

DOXFX vs. VTSPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
DOXFX Dodge & Cox International Stock X	12.82%	38.90%	3.85%	16.81%	-0.58%
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares	2.06%	6.06%	4.75%	4.61%	-0.13%

Correlation

The correlation between DOXFX and VTSPX is 0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.15
Correlation (All Time) Calculated using the full available price history since Dec 13, 2022	0.14

The correlation between DOXFX and VTSPX shifts across timeframes, from 0.03 (1 year) to 0.15 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

DOXFX vs. VTSPX — Risk / Return Rank

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

DOXFX

DOXFX Risk / Return Rank: 60
DOXFX Sharpe Ratio Rank: 68
DOXFX Sortino Ratio Rank: 59
DOXFX Omega Ratio Rank: 63
DOXFX Calmar Ratio Rank: 55
DOXFX Martin Ratio Rank: 53

VTSPX

VTSPX Risk / Return Rank: 94
VTSPX Sharpe Ratio Rank: 91
VTSPX Sortino Ratio Rank: 96
VTSPX Omega Ratio Rank: 91
VTSPX Calmar Ratio Rank: 96
VTSPX Martin Ratio Rank: 97

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.

DOXFX vs. VTSPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dodge & Cox International Stock X (DOXFX) and Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX). 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.

	DOXFX	VTSPX	Difference
Sharpe ratio: Return per unit of total volatility	2.41	3.06	-0.65
Sortino ratio: Return per unit of downside risk	3.25	5.19	-1.94
Omega ratio: Gain probability vs. loss probability	1.44	1.67	-0.22
Calmar ratio: Return relative to maximum drawdown	2.83	6.50	-3.67
Martin ratio: Return relative to average drawdown	10.80	25.54	-14.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DOXFX vs. VTSPX - Sharpe Ratio Comparison

The current DOXFX Sharpe Ratio is 2.41, which is comparable to the VTSPX Sharpe Ratio of 3.06. The chart below compares the historical Sharpe Ratios of DOXFX and VTSPX, 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

	DOXFX	VTSPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.41	3.06	-0.65
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.28	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.42	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.46	1.08	+0.38

Drawdowns

DOXFX vs. VTSPX - Drawdown Comparison

The maximum DOXFX drawdown since its inception was -14.41%, which is greater than VTSPX's maximum drawdown of -5.35%. Use the drawdown chart below to compare losses from any high point for DOXFX and VTSPX.

Drawdown Indicators

	DOXFX	VTSPX	Difference
Max Drawdown Largest peak-to-trough decline	-14.41%	-5.35%	-9.06%
Max Drawdown (1Y) Largest decline over 1 year	-11.08%	-0.72%	-10.36%
Max Drawdown (3Y) Largest decline over 3 years	-14.41%	-0.92%	-13.49%
Max Drawdown (5Y) Largest decline over 5 years	—	-5.35%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-5.35%	—
Current Drawdown Current decline from peak	0.00%	-0.04%	+0.04%
Average Drawdown Average peak-to-trough decline	-2.73%	-1.01%	-1.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.90%	0.18%	+2.72%

Volatility

DOXFX vs. VTSPX - Volatility Comparison

Dodge & Cox International Stock X (DOXFX) has a higher volatility of 4.09% compared to Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) at 0.57%. This indicates that DOXFX's price experiences larger fluctuations and is considered to be riskier than VTSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DOXFX	VTSPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.09%	0.57%	+3.52%
Volatility (6M) Calculated over the trailing 6-month period	10.85%	1.12%	+9.73%
Volatility (1Y) Calculated over the trailing 1-year period	13.03%	1.52%	+11.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.90%	2.67%	+11.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.90%	2.23%	+11.67%

DOXFX vs. VTSPX - Expense Ratio Comparison

DOXFX has a 0.52% expense ratio, which is higher than VTSPX's 0.04% expense ratio.

Dividends

DOXFX vs. VTSPX - Dividend Comparison

DOXFX's dividend yield for the trailing twelve months is around 4.56%, more than VTSPX's 3.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
DOXFX Dodge & Cox International Stock X	4.56%	5.15%	2.36%	2.38%	2.30%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares	3.59%	3.81%	2.70%	2.86%	6.84%	4.69%	1.21%	1.96%	2.47%	1.52%	0.80%

Frequently Asked Questions

Can I hold both DOXFX and VTSPX in my portfolio?

DOXFX and VTSPX have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DOXFX or VTSPX?

DOXFX has higher volatility (4.09%) compared to VTSPX (0.57%). In terms of maximum drawdown, DOXFX dropped -14.41% vs VTSPX's -5.35%.

Which has better risk-adjusted returns?

VTSPX currently has the higher Sharpe Ratio (3.06 vs 2.41), 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.