SNSXX vs. SWSSX

Last updated Aug 5, 2026

SNSXX (Schwab U.S. Treasury Money Fund) and SWSSX (Schwab Small-Cap Index Fund-Select Shares) are both mutual funds - SNSXX is a Money Market fund managed by Charles Schwab, while SWSSX is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Over the past 5 years, SNSXX returned 1.44%/yr vs 7.82%/yr for SWSSX. Their -0.00 correlation means they have often moved in opposite directions in the past. SNSXX charges 0.34%/yr vs 0.04%/yr for SWSSX.

Performance

SNSXX vs. SWSSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab U.S. Treasury Money Fund (SNSXX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SNSXX achieves a 1.68% return, which is significantly lower than SWSSX's 20.94% return.

SNSXX

• 1D: 0.00%
• 1M: 0.00%
• 6M: 1.39%
• YTD: 1.68%
• 1Y: 3.31%
• 3Y*: 2.41%
• 5Y*: 1.44%
• 10Y*: —
• ALL TIME*: 1.39%

SWSSX

• 1D: 1.73%
• 1M: -0.41%
• 6M: 13.29%
• YTD: 20.94%
• 1Y: 36.49%
• 3Y*: 16.70%
• 5Y*: 7.82%
• 10Y*: 10.76%
• ALL TIME*: 8.61%

*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)
SNSXX Schwab U.S. Treasury Money Fund	$0.00	$0.00	$0.00
SWSSX Schwab Small-Cap Index Fund-Select Shares	$0.00	$0.00	$0.00

SNSXX vs. SWSSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SNSXX Schwab U.S. Treasury Money Fund	1.68%	3.97%	1.61%	0.00%	0.00%	0.00%
SWSSX Schwab Small-Cap Index Fund-Select Shares	20.94%	12.88%	11.57%	17.07%	-20.43%	1.44%

Correlation

The correlation between SNSXX and SWSSX is -0.01, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.01
Correlation (3Y) Balances recent behavior with more history.	-0.01
Correlation (5Y) Shows whether the relationship held over a longer period.	-0.00
Correlation (All Time) Calculated using the full available price history since May 25, 2021	-0.00

Return for Risk

SNSXX vs. SWSSX — Risk / Return Rank

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

SNSXX

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

SWSSX

SWSSX Risk / Return Rank: 84
SWSSX Sharpe Ratio Rank: 84
SWSSX Sortino Ratio Rank: 81
SWSSX Omega Ratio Rank: 73
SWSSX Calmar Ratio Rank: 90
SWSSX Martin Ratio Rank: 90

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.

SNSXX vs. SWSSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab U.S. Treasury Money Fund (SNSXX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX). 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.

	SNSXX	SWSSX	Difference
Sharpe ratio: Return per unit of total volatility	3.54	2.05	+1.49
Sortino ratio: Return per unit of downside risk	—	2.87	—
Omega ratio: Gain probability vs. loss probability	—	1.34	—
Calmar ratio: Return relative to maximum drawdown	—	3.60	—
Martin ratio: Return relative to average drawdown	—	12.75	—

SNSXX vs. SWSSX - Sharpe Ratio Comparison

The current SNSXX Sharpe Ratio is 3.54, which is higher than the SWSSX Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of SNSXX and SWSSX, 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

SNSXX vs. SWSSX - Drawdown Comparison

The maximum SNSXX drawdown since its inception was 0.00%, smaller than the maximum SWSSX drawdown of -60.34%. Use the drawdown chart below to compare losses from any high point for SNSXX and SWSSX.

Drawdown Indicators

	SNSXX	SWSSX	Difference
Max Drawdown Largest peak-to-trough decline	0.00%	-60.34%	+60.34%
Max Drawdown (1Y) Largest decline over 1 year	0.00%	-11.00%	+11.00%
Max Drawdown (3Y) Largest decline over 3 years	0.00%	-27.50%	+27.50%
Max Drawdown (5Y) Largest decline over 5 years	0.00%	-31.93%	+31.93%
Max Drawdown (10Y) Largest decline over 10 years	—	-41.81%	—
Current Drawdown Current decline from peak	0.00%	-1.33%	+1.33%
Average Drawdown Average peak-to-trough decline	0.00%	-10.67%	+10.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	3.10%	-3.10%

Volatility

SNSXX vs. SWSSX - Volatility Comparison

The current volatility for Schwab U.S. Treasury Money Fund (SNSXX) is 0.00%, while Schwab Small-Cap Index Fund-Select Shares (SWSSX) has a volatility of 4.22%. This indicates that SNSXX experiences smaller price fluctuations and is considered to be less risky than SWSSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SNSXX	SWSSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.00%	4.22%	-4.22%
Volatility (6M) Calculated over the trailing 6-month period	0.67%	14.15%	-13.48%
Volatility (1Y) Calculated over the trailing 1-year period	0.99%	19.38%	-18.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.69%	22.57%	-21.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.68%	24.08%	-23.40%

SNSXX vs. SWSSX - Expense Ratio Comparison

SNSXX has a 0.34% expense ratio, which is higher than SWSSX's 0.04% expense ratio.

Dividends

SNSXX vs. SWSSX - Dividend Comparison

SNSXX's dividend yield for the trailing twelve months is around 3.25%, more than SWSSX's 1.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SNSXX Schwab U.S. Treasury Money Fund	3.25%	3.88%	1.59%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SWSSX Schwab Small-Cap Index Fund-Select Shares	1.06%	1.29%	1.66%	1.49%	1.32%	8.88%	2.55%	6.12%	10.45%	5.22%	4.10%	6.92%

Frequently Asked Questions

Can I hold both SNSXX and SWSSX in my portfolio?

SNSXX and SWSSX 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, SNSXX or SWSSX?

SWSSX has higher volatility (4.22%) compared to SNSXX (0.00%). In terms of maximum drawdown, SNSXX dropped 0.00% vs SWSSX's -60.34%.

Which has better risk-adjusted returns?

SNSXX currently has the higher Sharpe Ratio (3.54 vs 2.05), 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.