SWVXX vs. COST

Last updated Jun 9, 2026

SWVXX (Schwab Prime Advantage Money Fund Investor Shares) is Money Market fund actively managed by Charles Schwab, while COST (Costco Wholesale Corporation) is a stock. Over the past 5 years, SWVXX returned 3.14%/yr vs 22.05%/yr for COST. At a 0.04 correlation, their price movements are largely independent.

Performance

SWVXX vs. COST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Prime Advantage Money Fund Investor Shares (SWVXX) and Costco Wholesale Corporation (COST). 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 lower than COST's 13.35% return.

SWVXX

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

COST

• 1D: 0.30%
• 1M: -3.37%
• YTD: 13.35%
• 6M: 10.14%
• 1Y: -3.42%
• 3Y*: 25.18%
• 5Y*: 22.05%
• 10Y*: 22.25%

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

SWVXX vs. COST - 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%
COST Costco Wholesale Corporation	13.35%	-5.39%	39.62%	49.00%	-19.05%	47.82%

Correlation

The correlation between SWVXX and COST is 0.04, 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	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.04
Correlation (5Y) Calculated over the trailing 5-year period	0.04
Correlation (All Time) Calculated using the full available price history since May 26, 2021	0.04

Return for Risk

SWVXX vs. COST — Risk / Return Rank

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

COST

COST Risk / Return Rank: 32
COST Sharpe Ratio Rank: 34
COST Sortino Ratio Rank: 28
COST Omega Ratio Rank: 28
COST Calmar Ratio Rank: 35
COST Martin Ratio Rank: 33

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. COST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Prime Advantage Money Fund Investor Shares (SWVXX) and Costco Wholesale Corporation (COST). 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.

	SWVXX	COST	Difference
Sharpe ratio: Return per unit of total volatility	3.71	-0.18	+3.89
Sortino ratio: Return per unit of downside risk	—	-0.13	—
Omega ratio: Gain probability vs. loss probability	—	0.98	—
Calmar ratio: Return relative to maximum drawdown	—	-0.22	—
Martin ratio: Return relative to average drawdown	—	-0.51	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SWVXX vs. COST - Sharpe Ratio Comparison

The current SWVXX Sharpe Ratio is 3.71, which is higher than the COST Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of SWVXX and COST, 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

	SWVXX	COST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.71	-0.18	+3.89
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	2.95	0.98	+1.97
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.02	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.94	0.59	+2.35

Drawdowns

SWVXX vs. COST - Drawdown Comparison

The maximum SWVXX drawdown since its inception was 0.00%, smaller than the maximum COST drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for SWVXX and COST.

Drawdown Indicators

	SWVXX	COST	Difference
Max Drawdown Largest peak-to-trough decline	0.00%	-53.39%	+53.39%
Max Drawdown (1Y) Largest decline over 1 year	0.00%	-15.38%	+15.38%
Max Drawdown (3Y) Largest decline over 3 years	0.00%	-20.74%	+20.74%
Max Drawdown (5Y) Largest decline over 5 years	0.00%	-31.40%	+31.40%
Max Drawdown (10Y) Largest decline over 10 years	—	-31.40%	—
Current Drawdown Current decline from peak	0.00%	-10.93%	+10.93%
Average Drawdown Average peak-to-trough decline	0.00%	-13.36%	+13.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	7.15%	-7.15%

Volatility

SWVXX vs. COST - Volatility Comparison

The current volatility for Schwab Prime Advantage Money Fund Investor Shares (SWVXX) is 0.29%, while Costco Wholesale Corporation (COST) has a volatility of 7.71%. This indicates that SWVXX experiences smaller price fluctuations and is considered to be less risky than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SWVXX	COST	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.29%	7.71%	-7.42%
Volatility (6M) Calculated over the trailing 6-month period	0.76%	14.53%	-13.77%
Volatility (1Y) Calculated over the trailing 1-year period	1.10%	18.79%	-17.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.09%	22.71%	-21.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.09%	21.95%	-20.86%

Dividends

SWVXX vs. COST - Dividend Comparison

SWVXX's dividend yield for the trailing twelve months is around 3.77%, more than COST's 0.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COST Costco Wholesale Corporation	0.55%	0.59%	0.49%	2.87%	0.76%	0.54%	3.38%	0.86%	1.08%	4.81%	1.09%	4.06%
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 COST in my portfolio?

SWVXX and COST have a correlation of 0.04, 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 COST?

COST has higher volatility (7.71%) compared to SWVXX (0.29%). In terms of maximum drawdown, SWVXX dropped 0.00% vs COST's -53.39%.

Which has better risk-adjusted returns?

SWVXX currently has the higher Sharpe Ratio (3.71 vs -0.18), 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.