OAKGX vs. OAKIX

Last updated Jun 5, 2026

OAKGX (Oakmark Global Fund) and OAKIX (Oakmark International Fund) are both mutual funds - OAKGX is a Global Equities fund managed by Oakmark, while OAKIX is a Foreign Large Cap Equities fund managed by Oakmark. Over the past 10 years, OAKGX returned 10.05%/yr vs 7.24%/yr for OAKIX. Their correlation of 0.88 suggests significant overlap in exposure. OAKGX charges 1.11%/yr vs 1.04%/yr for OAKIX.

Performance

OAKGX vs. OAKIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oakmark Global Fund (OAKGX) and Oakmark International Fund (OAKIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OAKGX achieves a 1.84% return, which is significantly higher than OAKIX's 0.15% return. Over the past 10 years, OAKGX has outperformed OAKIX with an annualized return of 10.05%, while OAKIX has yielded a comparatively lower 7.24% annualized return.

OAKGX

• 1D: -1.00%
• 1M: 2.39%
• YTD: 1.84%
• 6M: 5.59%
• 1Y: 14.67%
• 3Y*: 10.07%
• 5Y*: 5.66%
• 10Y*: 10.05%

OAKIX

• 1D: -1.51%
• 1M: 1.56%
• YTD: 0.15%
• 6M: 2.70%
• 1Y: 11.77%
• 3Y*: 9.57%
• 5Y*: 2.98%
• 10Y*: 7.24%

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

OAKGX vs. OAKIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OAKGX Oakmark Global Fund	1.84%	21.19%	2.53%	17.36%	-16.86%	30.47%	9.00%	29.66%	-19.02%	27.05%
OAKIX Oakmark International Fund	0.15%	32.40%	-4.60%	18.86%	-15.72%	9.04%	4.92%	24.24%	-23.41%	29.73%

Correlation

The correlation between OAKGX and OAKIX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Aug 5, 1999	0.88

The correlation between OAKGX and OAKIX has been stable across timeframes, ranging from 0.88 to 0.91 - a consistent structural relationship.

Return for Risk

OAKGX vs. OAKIX — Risk / Return Rank

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

OAKGX

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

OAKIX

OAKIX Risk / Return Rank: 11
OAKIX Sharpe Ratio Rank: 11
OAKIX Sortino Ratio Rank: 11
OAKIX Omega Ratio Rank: 11
OAKIX Calmar Ratio Rank: 10
OAKIX Martin Ratio Rank: 10

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.

OAKGX vs. OAKIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark Global Fund (OAKGX) and Oakmark International Fund (OAKIX). 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.

	OAKGX	OAKIX	Difference
Sharpe ratio: Return per unit of total volatility	1.13	0.87	+0.26
Sortino ratio: Return per unit of downside risk	1.70	1.29	+0.41
Omega ratio: Gain probability vs. loss probability	1.20	1.16	+0.04
Calmar ratio: Return relative to maximum drawdown	1.31	0.90	+0.41
Martin ratio: Return relative to average drawdown	4.19	2.84	+1.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OAKGX vs. OAKIX - Sharpe Ratio Comparison

The current OAKGX Sharpe Ratio is 1.13, which is comparable to the OAKIX Sharpe Ratio of 0.87. The chart below compares the historical Sharpe Ratios of OAKGX and OAKIX, 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

	OAKGX	OAKIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.13	0.87	+0.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.31	0.16	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.34	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.42	+0.07

Drawdowns

OAKGX vs. OAKIX - Drawdown Comparison

The maximum OAKGX drawdown since its inception was -60.43%, smaller than the maximum OAKIX drawdown of -65.18%. Use the drawdown chart below to compare losses from any high point for OAKGX and OAKIX.

Drawdown Indicators

	OAKGX	OAKIX	Difference
Max Drawdown Largest peak-to-trough decline	-60.43%	-65.18%	+4.75%
Max Drawdown (1Y) Largest decline over 1 year	-11.58%	-14.35%	+2.77%
Max Drawdown (3Y) Largest decline over 3 years	-15.75%	-18.72%	+2.97%
Max Drawdown (5Y) Largest decline over 5 years	-31.54%	-38.00%	+6.46%
Max Drawdown (10Y) Largest decline over 10 years	-45.14%	-53.05%	+7.91%
Current Drawdown Current decline from peak	-2.36%	-5.43%	+3.07%
Average Drawdown Average peak-to-trough decline	-9.38%	-11.71%	+2.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.61%	4.55%	-0.94%

Volatility

OAKGX vs. OAKIX - Volatility Comparison

The current volatility for Oakmark Global Fund (OAKGX) is 3.33%, while Oakmark International Fund (OAKIX) has a volatility of 4.62%. This indicates that OAKGX experiences smaller price fluctuations and is considered to be less risky than OAKIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OAKGX	OAKIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.33%	4.62%	-1.29%
Volatility (6M) Calculated over the trailing 6-month period	9.82%	11.33%	-1.51%
Volatility (1Y) Calculated over the trailing 1-year period	13.41%	14.82%	-1.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.51%	19.14%	-0.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.66%	21.35%	-0.69%

OAKGX vs. OAKIX - Expense Ratio Comparison

OAKGX has a 1.11% expense ratio, which is higher than OAKIX's 1.04% expense ratio.

Dividends

OAKGX vs. OAKIX - Dividend Comparison

OAKGX's dividend yield for the trailing twelve months is around 1.09%, less than OAKIX's 1.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OAKGX Oakmark Global Fund	1.09%	1.11%	1.19%	4.35%	0.75%	17.98%	0.16%	3.71%	14.80%	7.50%	1.07%	2.87%
OAKIX Oakmark International Fund	1.84%	1.84%	2.46%	1.85%	2.97%	1.23%	0.33%	1.81%	7.15%	3.04%	1.48%	5.06%

Frequently Asked Questions

Can I hold both OAKGX and OAKIX in my portfolio?

OAKGX and OAKIX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OAKGX or OAKIX?

OAKIX has higher volatility (4.62%) compared to OAKGX (3.33%). In terms of maximum drawdown, OAKGX dropped -60.43% vs OAKIX's -65.18%.

Which has better risk-adjusted returns?

OAKGX currently has the higher Sharpe Ratio (1.13 vs 0.87), 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.