SWVXX vs. OAKMX

Last updated Jun 14, 2026

SWVXX (Schwab Prime Advantage Money Fund Investor Shares) and OAKMX (Oakmark Fund Investor Class) are both mutual funds - SWVXX is a Money Market fund actively managed by Charles Schwab, while OAKMX is a Large Cap Value Equities fund managed by Oakmark. Over the past 5 years, SWVXX returned 3.14%/yr vs 9.52%/yr for OAKMX. At a 0.02 correlation, their price movements are largely independent. SWVXX charges 0.34%/yr vs 0.91%/yr for OAKMX.

Performance

SWVXX vs. OAKMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Prime Advantage Money Fund Investor Shares (SWVXX) and Oakmark Fund Investor Class (OAKMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SWVXX achieves a 1.45% return, which is significantly higher than OAKMX's -1.16% return.

SWVXX

• 1D: 0.00%
• 1M: 0.29%
• YTD: 1.45%
• 6M: 1.77%
• 1Y: 3.85%
• 3Y*: 4.71%
• 5Y*: 3.14%
• 10Y*: —

OAKMX

• 1D: 0.57%
• 1M: 1.33%
• YTD: -1.16%
• 6M: -1.64%
• 1Y: 10.14%
• 3Y*: 14.13%
• 5Y*: 9.52%
• 10Y*: 13.52%

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

SWVXX vs. OAKMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SWVXX Schwab Prime Advantage Money Fund Investor Shares	1.45%	4.15%	5.16%	5.04%	0.00%	0.00%
OAKMX Oakmark Fund Investor Class	-1.16%	14.13%	16.02%	30.92%	-13.38%	7.68%

Correlation

The correlation between SWVXX and OAKMX is 0.01, 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	0.01
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.02

Return for Risk

SWVXX vs. OAKMX — Risk / Return Rank

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

SWVXX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

OAKMX

OAKMX Risk / Return Rank: 14
OAKMX Sharpe Ratio Rank: 12
OAKMX Sortino Ratio Rank: 13
OAKMX Omega Ratio Rank: 12
OAKMX Calmar Ratio Rank: 20
OAKMX Martin Ratio Rank: 15

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.

SWVXX vs. OAKMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Prime Advantage Money Fund Investor Shares (SWVXX) and Oakmark Fund Investor Class (OAKMX). 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.

	SWVXX	OAKMX	Difference
Sharpe ratio: Return per unit of total volatility	3.71	0.68	+3.03
Sortino ratio: Return per unit of downside risk	—	1.05	—
Omega ratio: Gain probability vs. loss probability	—	1.13	—
Calmar ratio: Return relative to maximum drawdown	—	1.27	—
Martin ratio: Return relative to average drawdown	—	3.18	—

SWVXX vs. OAKMX - Sharpe Ratio Comparison

The current SWVXX Sharpe Ratio is 3.71, which is higher than the OAKMX Sharpe Ratio of 0.68. The chart below compares the historical Sharpe Ratios of SWVXX and OAKMX, 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

SWVXX vs. OAKMX - Drawdown Comparison

The maximum SWVXX drawdown since its inception was 0.00%, smaller than the maximum OAKMX drawdown of -56.19%. Use the drawdown chart below to compare losses from any high point for SWVXX and OAKMX.

Drawdown Indicators

	SWVXX	OAKMX	Difference
Max Drawdown Largest peak-to-trough decline	0.00%	-56.19%	+56.19%
Max Drawdown (1Y) Largest decline over 1 year	0.00%	-6.98%	+6.98%
Max Drawdown (3Y) Largest decline over 3 years	0.00%	-17.05%	+17.05%
Max Drawdown (5Y) Largest decline over 5 years	0.00%	-23.68%	+23.68%
Max Drawdown (10Y) Largest decline over 10 years	—	-41.43%	—
Current Drawdown Current decline from peak	0.00%	-3.69%	+3.69%
Average Drawdown Average peak-to-trough decline	0.00%	-6.39%	+6.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	2.79%	-2.79%

Volatility

SWVXX vs. OAKMX - Volatility Comparison

The current volatility for Schwab Prime Advantage Money Fund Investor Shares (SWVXX) is 0.29%, while Oakmark Fund Investor Class (OAKMX) has a volatility of 3.66%. This indicates that SWVXX experiences smaller price fluctuations and is considered to be less risky than OAKMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SWVXX	OAKMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.29%	3.66%	-3.37%
Volatility (6M) Calculated over the trailing 6-month period	0.76%	9.57%	-8.81%
Volatility (1Y) Calculated over the trailing 1-year period	1.10%	13.13%	-12.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.09%	18.32%	-17.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.09%	20.40%	-19.31%

SWVXX vs. OAKMX - Expense Ratio Comparison

SWVXX has a 0.34% expense ratio, which is lower than OAKMX's 0.91% expense ratio.

Dividends

SWVXX vs. OAKMX - Dividend Comparison

SWVXX's dividend yield for the trailing twelve months is around 3.77%, more than OAKMX's 0.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OAKMX Oakmark Fund Investor Class	0.93%	0.92%	1.12%	1.02%	0.92%	1.94%	0.17%	8.33%	8.13%	4.06%	2.58%	1.43%
SWVXX Schwab Prime Advantage Money Fund Investor Shares	3.77%	4.06%	5.02%	4.91%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SWVXX and OAKMX in my portfolio?

SWVXX and OAKMX have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SWVXX or OAKMX?

OAKMX has higher volatility (3.66%) compared to SWVXX (0.29%). In terms of maximum drawdown, SWVXX dropped 0.00% vs OAKMX's -56.19%.

Which has better risk-adjusted returns?

SWVXX currently has the higher Sharpe Ratio (3.71 vs 0.68), 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.