USISX vs. USSPX

Last updated Jun 4, 2026

USISX (USAA Income Stock Fund) and USSPX (USAA 500 Index Fund) are both mutual funds - USISX is a Large Cap Value Equities fund managed by Victory, while USSPX is a Large Cap Blend Equities fund managed by Victory. Over the past 10 years, USISX returned 11.09%/yr vs 15.58%/yr for USSPX. Their correlation of 0.90 suggests significant overlap in exposure. USISX charges 0.70%/yr vs 0.24%/yr for USSPX.

Performance

USISX vs. USSPX - Performance Comparison

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

Returns By Period

The year-to-date returns for both stocks are quite close, with USISX having a 12.22% return and USSPX slightly lower at 11.92%. Over the past 10 years, USISX has underperformed USSPX with an annualized return of 11.09%, while USSPX has yielded a comparatively higher 15.58% annualized return.

USISX

• 1D: 0.49%
• 1M: 4.35%
• YTD: 12.22%
• 6M: 12.49%
• 1Y: 25.04%
• 3Y*: 17.65%
• 5Y*: 10.83%
• 10Y*: 11.09%

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%

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

USISX vs. USSPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
USISX USAA Income Stock Fund	12.22%	13.44%	13.52%	12.10%	-4.42%	26.52%	0.32%	23.67%	-5.51%	16.66%
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%

Correlation

The correlation between USISX and USSPX is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.83
Correlation (All Time) Calculated using the full available price history since May 1, 1996	0.90

Over the past year, the correlation between USISX and USSPX has dropped to 0.61 - well below their long-term average of 0.90, suggesting their price drivers have been diverging.

Return for Risk

USISX vs. USSPX — Risk / Return Rank

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

USISX

USISX Risk / Return Rank: 79
USISX Sharpe Ratio Rank: 76
USISX Sortino Ratio Rank: 75
USISX Omega Ratio Rank: 64
USISX Calmar Ratio Rank: 90
USISX Martin Ratio Rank: 88

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

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.

USISX vs. USSPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for USAA Income Stock Fund (USISX) and USAA 500 Index Fund (USSPX). 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.

	USISX	USSPX	Difference
Sharpe ratio: Return per unit of total volatility	2.53	2.49	+0.04
Sortino ratio: Return per unit of downside risk	3.61	3.38	+0.23
Omega ratio: Gain probability vs. loss probability	1.45	1.45	0.00
Calmar ratio: Return relative to maximum drawdown	4.69	3.33	+1.36
Martin ratio: Return relative to average drawdown	17.42	15.45	+1.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

USISX vs. USSPX - Sharpe Ratio Comparison

The current USISX Sharpe Ratio is 2.53, which is comparable to the USSPX Sharpe Ratio of 2.49. The chart below compares the historical Sharpe Ratios of USISX and USSPX, 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

	USISX	USSPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.53	2.49	+0.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.81	-0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.62	0.85	-0.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.54	-0.01

Drawdowns

USISX vs. USSPX - Drawdown Comparison

The maximum USISX drawdown since its inception was -58.46%, which is greater than USSPX's maximum drawdown of -55.39%. Use the drawdown chart below to compare losses from any high point for USISX and USSPX.

Drawdown Indicators

	USISX	USSPX	Difference
Max Drawdown Largest peak-to-trough decline	-58.46%	-55.39%	-3.07%
Max Drawdown (1Y) Largest decline over 1 year	-5.51%	-8.92%	+3.41%
Max Drawdown (3Y) Largest decline over 3 years	-24.19%	-19.64%	-4.55%
Max Drawdown (5Y) Largest decline over 5 years	-24.19%	-26.88%	+2.69%
Max Drawdown (10Y) Largest decline over 10 years	-36.00%	-33.64%	-2.36%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.81%	-10.13%	+2.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.48%	1.92%	-0.44%

Volatility

USISX vs. USSPX - Volatility Comparison

The current volatility for USAA Income Stock Fund (USISX) is 2.57%, while USAA 500 Index Fund (USSPX) has a volatility of 2.82%. This indicates that USISX experiences smaller price fluctuations and is considered to be less risky than USSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USISX	USSPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.57%	2.82%	-0.25%
Volatility (6M) Calculated over the trailing 6-month period	7.24%	9.04%	-1.80%
Volatility (1Y) Calculated over the trailing 1-year period	10.23%	11.95%	-1.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.92%	17.49%	+0.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.04%	18.36%	-0.32%

USISX vs. USSPX - Expense Ratio Comparison

USISX has a 0.70% expense ratio, which is higher than USSPX's 0.24% expense ratio.

Dividends

USISX vs. USSPX - Dividend Comparison

USISX's dividend yield for the trailing twelve months is around 8.98%, more than USSPX's 3.71% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
USISX USAA Income Stock Fund	8.98%	9.77%	18.68%	5.85%	9.94%	10.24%	2.06%	20.13%	9.01%	7.92%	2.32%	6.04%
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%

Frequently Asked Questions

Can I hold both USISX and USSPX in my portfolio?

USISX and USSPX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USISX or USSPX?

USSPX has higher volatility (2.82%) compared to USISX (2.57%). In terms of maximum drawdown, USISX dropped -58.46% vs USSPX's -55.39%.

Which has better risk-adjusted returns?

USISX currently has the higher Sharpe Ratio (2.53 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.