USSPX vs. USSTX

Last updated Jun 4, 2026

USSPX (USAA 500 Index Fund) and USSTX (USAA Tax Exempt Short Term Fund) are both mutual funds - USSPX is a Large Cap Blend Equities fund managed by Victory, while USSTX is a Municipal Bonds fund managed by Victory. Over the past 10 years, USSPX returned 15.58%/yr vs 1.82%/yr for USSTX. At a correlation of -0.02, they often move in opposite directions. USSPX charges 0.24%/yr vs 0.49%/yr for USSTX.

Performance

USSPX vs. USSTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in USAA 500 Index Fund (USSPX) and USAA Tax Exempt Short Term Fund (USSTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USSPX achieves a 11.92% return, which is significantly higher than USSTX's 1.12% return. Over the past 10 years, USSPX has outperformed USSTX with an annualized return of 15.58%, while USSTX has yielded a comparatively lower 1.82% annualized return.

USSPX

• 1D: 0.20%
• 1M: 5.97%
• YTD: 11.92%
• 6M: 11.78%
• 1Y: 28.83%
• 3Y*: 22.87%
• 5Y*: 14.05%
• 10Y*: 15.58%

USSTX

• 1D: 0.10%
• 1M: 0.43%
• YTD: 1.12%
• 6M: 1.46%
• 1Y: 4.08%
• 3Y*: 4.17%
• 5Y*: 1.90%
• 10Y*: 1.82%

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

USSPX vs. USSTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
USSPX USAA 500 Index Fund	11.92%	17.63%	25.04%	26.99%	-19.37%	27.45%	21.21%	31.19%	-4.66%	21.19%
USSTX USAA Tax Exempt Short Term Fund	1.12%	4.73%	3.65%	4.11%	-4.15%	1.23%	2.38%	2.69%	1.60%	1.81%

Correlation

The correlation between USSPX and USSTX is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.09
Correlation (5Y) Calculated over the trailing 5-year period	0.06
Correlation (10Y) Calculated over the trailing 10-year period	0.04
Correlation (All Time) Calculated using the full available price history since May 1, 1996	-0.02

The correlation between USSPX and USSTX shifts across timeframes, from -0.02 (all time) to 0.17 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

USSPX vs. USSTX — Risk / Return Rank

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

USSPX

USSPX Risk / Return Rank: 72
USSPX Sharpe Ratio Rank: 73
USSPX Sortino Ratio Rank: 66
USSPX Omega Ratio Rank: 65
USSPX Calmar Ratio Rank: 73
USSPX Martin Ratio Rank: 82

USSTX

USSTX Risk / Return Rank: 79
USSTX Sharpe Ratio Rank: 87
USSTX Sortino Ratio Rank: 95
USSTX Omega Ratio Rank: 97
USSTX Calmar Ratio Rank: 62
USSTX Martin Ratio Rank: 54

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.

USSPX vs. USSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for USAA 500 Index Fund (USSPX) and USAA Tax Exempt Short Term Fund (USSTX). 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.

	USSPX	USSTX	Difference
Sharpe ratio: Return per unit of total volatility	2.49	2.86	-0.38
Sortino ratio: Return per unit of downside risk	3.38	5.12	-1.74
Omega ratio: Gain probability vs. loss probability	1.45	1.90	-0.45
Calmar ratio: Return relative to maximum drawdown	3.33	3.05	+0.28
Martin ratio: Return relative to average drawdown	15.45	10.88	+4.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

USSPX vs. USSTX - Sharpe Ratio Comparison

The current USSPX Sharpe Ratio is 2.49, which is comparable to the USSTX Sharpe Ratio of 2.86. The chart below compares the historical Sharpe Ratios of USSPX and USSTX, 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

	USSPX	USSTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.49	2.86	-0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.81	0.96	-0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.85	0.98	-0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	1.56	-1.01

Drawdowns

USSPX vs. USSTX - Drawdown Comparison

The maximum USSPX drawdown since its inception was -55.39%, which is greater than USSTX's maximum drawdown of -6.82%. Use the drawdown chart below to compare losses from any high point for USSPX and USSTX.

Drawdown Indicators

	USSPX	USSTX	Difference
Max Drawdown Largest peak-to-trough decline	-55.39%	-6.82%	-48.57%
Max Drawdown (1Y) Largest decline over 1 year	-8.92%	-1.34%	-7.58%
Max Drawdown (3Y) Largest decline over 3 years	-19.64%	-1.95%	-17.69%
Max Drawdown (5Y) Largest decline over 5 years	-26.88%	-6.82%	-20.06%
Max Drawdown (10Y) Largest decline over 10 years	-33.64%	-6.82%	-26.82%
Current Drawdown Current decline from peak	0.00%	-0.17%	+0.17%
Average Drawdown Average peak-to-trough decline	-10.13%	-0.67%	-9.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.92%	0.38%	+1.54%

Volatility

USSPX vs. USSTX - Volatility Comparison

USAA 500 Index Fund (USSPX) has a higher volatility of 2.82% compared to USAA Tax Exempt Short Term Fund (USSTX) at 0.50%. This indicates that USSPX's price experiences larger fluctuations and is considered to be riskier than USSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USSPX	USSTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.82%	0.50%	+2.32%
Volatility (6M) Calculated over the trailing 6-month period	9.04%	1.08%	+7.96%
Volatility (1Y) Calculated over the trailing 1-year period	11.95%	1.43%	+10.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.49%	1.99%	+15.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.36%	1.85%	+16.51%

USSPX vs. USSTX - Expense Ratio Comparison

USSPX has a 0.24% expense ratio, which is lower than USSTX's 0.49% expense ratio.

Dividends

USSPX vs. USSTX - Dividend Comparison

USSPX's dividend yield for the trailing twelve months is around 3.71%, more than USSTX's 2.73% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
USSPX USAA 500 Index Fund	3.71%	4.14%	3.63%	2.07%	2.81%	4.98%	3.38%	4.98%	3.03%	1.34%	2.34%	1.89%
USSTX USAA Tax Exempt Short Term Fund	2.73%	3.04%	3.38%	2.50%	1.89%	1.13%	1.48%	1.79%	1.78%	1.50%	1.42%	1.52%

Frequently Asked Questions

Can I hold both USSPX and USSTX in my portfolio?

USSPX and USSTX have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USSPX or USSTX?

USSPX has higher volatility (2.82%) compared to USSTX (0.50%). In terms of maximum drawdown, USSPX dropped -55.39% vs USSTX's -6.82%.

Which has better risk-adjusted returns?

USSTX currently has the higher Sharpe Ratio (2.86 vs 2.49), 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.