OAKIX vs. OAYLX

Last updated Aug 4, 2026

OAKIX (Oakmark International Fund) and OAYLX (Oakmark Select Fund Advisor Class) are both mutual funds - OAKIX is a Foreign Large Cap Equities fund managed by Oakmark, while OAYLX is a Large Cap Blend Equities fund actively managed by Oakmark. Over the past 5 years, OAKIX returned 5.57%/yr vs 10.95%/yr for OAYLX. Their 0.66 correlation means they have sometimes moved together and sometimes differently. OAKIX charges 1.04%/yr vs 0.87%/yr for OAYLX.

Performance

OAKIX vs. OAYLX - Performance Comparison

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

Returns By Period

In the year-to-date period, OAKIX achieves a 6.03% return, which is significantly lower than OAYLX's 9.76% return.

OAKIX

• 1D: -0.78%
• 1M: 2.87%
• 6M: 3.42%
• YTD: 6.03%
• 1Y: 18.05%
• 3Y*: 9.52%
• 5Y*: 5.57%
• 10Y*: 7.97%
• ALL TIME*: 8.03%

OAYLX

• 1D: -0.20%
• 1M: 5.09%
• 6M: 10.30%
• YTD: 9.76%
• 1Y: 24.50%
• 3Y*: 15.70%
• 5Y*: 10.95%
• 10Y*: —
• ALL TIME*: 10.14%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
OAKIX Oakmark International Fund	$0.00	$0.00	$0.00
OAYLX Oakmark Select Fund Advisor Class	$0.00	$0.00	$0.00

OAKIX vs. OAYLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OAKIX Oakmark International Fund	6.03%	32.40%	-4.60%	18.86%	-15.72%	9.04%	4.92%	24.24%	-23.41%	29.73%
OAYLX Oakmark Select Fund Advisor Class	9.76%	14.42%	14.30%	43.21%	-22.66%	34.60%	10.90%	27.84%	-24.76%	10.37%

Correlation

The correlation between OAKIX and OAYLX is 0.43, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.43
Correlation (3Y) Balances recent behavior with more history.	0.50
Correlation (5Y) Shows whether the relationship held over a longer period.	0.63
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.66

Over the past year, the correlation between OAKIX and OAYLX has dropped to 0.43 - well below their long-term average of 0.66, suggesting their price drivers have been diverging.

Return for Risk

OAKIX vs. OAYLX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

OAKIX

OAKIX Risk / Return Rank: 29
OAKIX Sharpe Ratio Rank: 32
OAKIX Sortino Ratio Rank: 31
OAKIX Omega Ratio Rank: 32
OAKIX Calmar Ratio Rank: 23
OAKIX Martin Ratio Rank: 24

OAYLX

OAYLX Risk / Return Rank: 41
OAYLX Sharpe Ratio Rank: 45
OAYLX Sortino Ratio Rank: 48
OAYLX Omega Ratio Rank: 44
OAYLX Calmar Ratio Rank: 40
OAYLX Martin Ratio Rank: 30

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

OAKIX vs. OAYLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oakmark International Fund (OAKIX) and Oakmark Select Fund Advisor Class (OAYLX). 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.

	OAKIX	OAYLX	Difference
Sharpe ratio: Return per unit of total volatility	1.13	1.41	-0.28
Sortino ratio: Return per unit of downside risk	1.62	2.09	-0.47
Omega ratio: Gain probability vs. loss probability	1.21	1.26	-0.05
Calmar ratio: Return relative to maximum drawdown	1.17	1.78	-0.61
Martin ratio: Return relative to average drawdown	3.58	4.76	-1.18

OAKIX vs. OAYLX - Sharpe Ratio Comparison

The current OAKIX Sharpe Ratio is 1.13, which is comparable to the OAYLX Sharpe Ratio of 1.41. The chart below compares the historical Sharpe Ratios of OAKIX and OAYLX, 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

OAKIX vs. OAYLX - Drawdown Comparison

The maximum OAKIX drawdown since its inception was -65.18%, which is greater than OAYLX's maximum drawdown of -47.35%. Use the drawdown chart below to compare losses from any high point for OAKIX and OAYLX.

Drawdown Indicators

	OAKIX	OAYLX	Difference
Max Drawdown Largest peak-to-trough decline	-65.18%	-47.35%	-17.83%
Max Drawdown (1Y) Largest decline over 1 year	-14.35%	-12.47%	-1.88%
Max Drawdown (3Y) Largest decline over 3 years	-17.00%	-18.74%	+1.74%
Max Drawdown (5Y) Largest decline over 5 years	-35.62%	-27.82%	-7.80%
Max Drawdown (10Y) Largest decline over 10 years	-53.05%	—	—
Current Drawdown Current decline from peak	-0.78%	-2.06%	+1.28%
Average Drawdown Average peak-to-trough decline	-11.67%	-9.56%	-2.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.68%	4.67%	+0.01%

Volatility

OAKIX vs. OAYLX - Volatility Comparison

The current volatility for Oakmark International Fund (OAKIX) is 4.06%, while Oakmark Select Fund Advisor Class (OAYLX) has a volatility of 5.84%. This indicates that OAKIX experiences smaller price fluctuations and is considered to be less risky than OAYLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OAKIX	OAYLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.06%	5.84%	-1.78%
Volatility (6M) Calculated over the trailing 6-month period	12.17%	12.39%	-0.22%
Volatility (1Y) Calculated over the trailing 1-year period	14.96%	15.83%	-0.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.09%	19.68%	-0.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.95%	21.80%	-0.85%

OAKIX vs. OAYLX - Expense Ratio Comparison

OAKIX has a 1.04% expense ratio, which is higher than OAYLX's 0.87% expense ratio.

Dividends

OAKIX vs. OAYLX - Dividend Comparison

OAKIX's dividend yield for the trailing twelve months is around 1.74%, more than OAYLX's 0.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OAKIX Oakmark International Fund	1.74%	1.84%	2.46%	1.85%	2.97%	1.23%	0.33%	1.81%	7.15%	3.04%	1.48%	5.06%
OAYLX Oakmark Select Fund Advisor Class	0.48%	0.52%	0.44%	0.62%	0.46%	0.70%	0.25%	0.81%	5.29%	0.44%	0.00%	0.00%

Frequently Asked Questions

Can I hold both OAKIX and OAYLX in my portfolio?

OAKIX and OAYLX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OAKIX or OAYLX?

OAYLX has higher volatility (5.84%) compared to OAKIX (4.06%). In terms of maximum drawdown, OAKIX dropped -65.18% vs OAYLX's -47.35%.

Which has better risk-adjusted returns?

OAYLX currently has the higher Sharpe Ratio (1.41 vs 1.13), 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.