OAZMX vs. VIHAX

Last updated Jul 16, 2026

OAZMX (Oakmark Fund R6 Class) and VIHAX (Vanguard International High Dividend Yield Index Fund Admiral Shares) are both Large Cap Value Equities funds. OAZMX is actively managed, while VIHAX is passively managed. Over the past 5 years, OAZMX returned 10.81%/yr vs 13.38%/yr for VIHAX. A 0.70 correlation means they provide meaningful diversification when combined. OAZMX charges 0.62%/yr vs 0.16%/yr for VIHAX.

Performance

OAZMX vs. VIHAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oakmark Fund R6 Class (OAZMX) and Vanguard International High Dividend Yield Index Fund Admiral Shares (VIHAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OAZMX achieves a 2.63% return, which is significantly lower than VIHAX's 14.28% return.

OAZMX

• 1D: -1.02%
• 1M: 2.79%
• 6M: 0.98%
• YTD: 2.63%
• 1Y: 11.05%
• 3Y*: 14.22%
• 5Y*: 10.81%
• 10Y*: —

VIHAX

• 1D: 0.66%
• 1M: 0.69%
• 6M: 11.26%
• YTD: 14.28%
• 1Y: 31.23%
• 3Y*: 21.22%
• 5Y*: 13.38%
• 10Y*: 10.95%

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

OAZMX vs. VIHAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
OAZMX Oakmark Fund R6 Class	2.63%	14.45%	16.33%	31.29%	-13.16%	34.59%	1.81%
VIHAX Vanguard International High Dividend Yield Index Fund Admiral Shares	14.28%	38.01%	6.96%	16.81%	-6.88%	15.01%	2.64%

Correlation

The correlation between OAZMX and VIHAX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (All Time) Calculated using the full available price history since Dec 23, 2020	0.70

Over the past year, the correlation between OAZMX and VIHAX has dropped to 0.49 - well below their long-term average of 0.70, suggesting their price drivers have been diverging.

Return for Risk

OAZMX vs. VIHAX — Risk / Return Rank

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

OAZMX

OAZMX Risk / Return Rank: 16
OAZMX Sharpe Ratio Rank: 13
OAZMX Sortino Ratio Rank: 13
OAZMX Omega Ratio Rank: 12
OAZMX Calmar Ratio Rank: 23
OAZMX Martin Ratio Rank: 17

VIHAX

VIHAX Risk / Return Rank: 87
VIHAX Sharpe Ratio Rank: 91
VIHAX Sortino Ratio Rank: 87
VIHAX Omega Ratio Rank: 86
VIHAX Calmar Ratio Rank: 85
VIHAX Martin Ratio Rank: 85

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.

OAZMX vs. VIHAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark Fund R6 Class (OAZMX) and Vanguard International High Dividend Yield Index Fund Admiral Shares (VIHAX). 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.

	OAZMX	VIHAX	Difference
Sharpe ratio: Return per unit of total volatility	0.71	2.48	-1.77
Sortino ratio: Return per unit of downside risk	1.09	3.43	-2.34
Omega ratio: Gain probability vs. loss probability	1.13	1.45	-0.32
Calmar ratio: Return relative to maximum drawdown	1.36	3.16	-1.80
Martin ratio: Return relative to average drawdown	3.31	11.93	-8.62

OAZMX vs. VIHAX - Sharpe Ratio Comparison

The current OAZMX Sharpe Ratio is 0.71, which is lower than the VIHAX Sharpe Ratio of 2.48. The chart below compares the historical Sharpe Ratios of OAZMX and VIHAX, 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

OAZMX vs. VIHAX - Drawdown Comparison

The maximum OAZMX drawdown since its inception was -23.54%, smaller than the maximum VIHAX drawdown of -38.80%. Use the drawdown chart below to compare losses from any high point for OAZMX and VIHAX.

Drawdown Indicators

	OAZMX	VIHAX	Difference
Max Drawdown Largest peak-to-trough decline	-23.54%	-38.80%	+15.26%
Max Drawdown (1Y) Largest decline over 1 year	-6.93%	-9.53%	+2.60%
Max Drawdown (3Y) Largest decline over 3 years	-17.01%	-12.29%	-4.72%
Max Drawdown (5Y) Largest decline over 5 years	-23.54%	-23.92%	+0.38%
Max Drawdown (10Y) Largest decline over 10 years	—	-38.80%	—
Current Drawdown Current decline from peak	-1.05%	0.00%	-1.05%
Average Drawdown Average peak-to-trough decline	-4.68%	-5.97%	+1.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.84%	2.52%	+0.32%

Volatility

OAZMX vs. VIHAX - Volatility Comparison

Oakmark Fund R6 Class (OAZMX) has a higher volatility of 4.04% compared to Vanguard International High Dividend Yield Index Fund Admiral Shares (VIHAX) at 3.06%. This indicates that OAZMX's price experiences larger fluctuations and is considered to be riskier than VIHAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OAZMX	VIHAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.04%	3.06%	+0.98%
Volatility (6M) Calculated over the trailing 6-month period	9.65%	10.21%	-0.56%
Volatility (1Y) Calculated over the trailing 1-year period	13.33%	12.16%	+1.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.26%	13.77%	+4.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.11%	15.54%	+2.57%

OAZMX vs. VIHAX - Expense Ratio Comparison

OAZMX has a 0.62% expense ratio, which is higher than VIHAX's 0.16% expense ratio.

Dividends

OAZMX vs. VIHAX - Dividend Comparison

OAZMX's dividend yield for the trailing twelve months is around 1.17%, less than VIHAX's 3.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
OAZMX Oakmark Fund R6 Class	1.17%	1.20%	1.38%	1.26%	1.22%	1.72%	0.00%	0.00%	0.00%	0.00%	0.00%
VIHAX Vanguard International High Dividend Yield Index Fund Admiral Shares	3.54%	3.69%	4.85%	4.58%	4.70%	4.30%	3.22%	5.63%	4.28%	3.16%	2.37%

Frequently Asked Questions

Can I hold both OAZMX and VIHAX in my portfolio?

OAZMX and VIHAX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OAZMX or VIHAX?

OAZMX has higher volatility (4.04%) compared to VIHAX (3.06%). In terms of maximum drawdown, OAZMX dropped -23.54% vs VIHAX's -38.80%.

Which has better risk-adjusted returns?

VIHAX currently has the higher Sharpe Ratio (2.48 vs 0.71), 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.