USISX vs. VIHAX

Last updated Jun 4, 2026

USISX (USAA Income Stock Fund) and VIHAX (Vanguard International High Dividend Yield Index Fund Admiral Shares) are both Large Cap Value Equities funds. Over the past 10 years, USISX returned 11.09%/yr vs 10.82%/yr for VIHAX. A 0.74 correlation means they provide meaningful diversification when combined. USISX charges 0.70%/yr vs 0.22%/yr for VIHAX.

Performance

USISX vs. VIHAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in USAA Income Stock Fund (USISX) and Vanguard International High Dividend Yield Index Fund Admiral Shares (VIHAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with USISX having a 12.22% return and VIHAX slightly higher at 12.57%. Both investments have delivered pretty close results over the past 10 years, with USISX having a 11.09% annualized return and VIHAX not far behind at 10.82%.

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%

VIHAX

• 1D: 0.64%
• 1M: 2.92%
• YTD: 12.57%
• 6M: 16.00%
• 1Y: 31.59%
• 3Y*: 22.45%
• 5Y*: 12.36%
• 10Y*: 10.82%

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

USISX vs. VIHAX - 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%
VIHAX Vanguard International High Dividend Yield Index Fund Admiral Shares	12.57%	38.01%	6.96%	16.81%	-6.88%	15.01%	-0.73%	20.03%	-12.38%	22.40%

Correlation

The correlation between USISX and VIHAX is 0.62, 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	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.73
Correlation (All Time) Calculated using the full available price history since Mar 8, 2016	0.74

The correlation between USISX and VIHAX shifts across timeframes, from 0.62 (1 year) to 0.74 (all time), reflecting how their relationship changes across market environments.

Return for Risk

USISX vs. VIHAX — 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

VIHAX

VIHAX Risk / Return Rank: 73
VIHAX Sharpe Ratio Rank: 81
VIHAX Sortino Ratio Rank: 74
VIHAX Omega Ratio Rank: 73
VIHAX Calmar Ratio Rank: 71
VIHAX Martin Ratio Rank: 64

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. VIHAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for USAA Income Stock Fund (USISX) and Vanguard International High Dividend Yield Index Fund Admiral Shares (VIHAX). 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	VIHAX	Difference
Sharpe ratio: Return per unit of total volatility	2.53	2.63	-0.10
Sortino ratio: Return per unit of downside risk	3.61	3.59	+0.02
Omega ratio: Gain probability vs. loss probability	1.45	1.48	-0.04
Calmar ratio: Return relative to maximum drawdown	4.69	3.27	+1.42
Martin ratio: Return relative to average drawdown	17.42	12.49	+4.93
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. VIHAX - Sharpe Ratio Comparison

The current USISX Sharpe Ratio is 2.53, which is comparable to the VIHAX Sharpe Ratio of 2.63. The chart below compares the historical Sharpe Ratios of USISX and VIHAX, 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	VIHAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.53	2.63	-0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.90	-0.30
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.62	0.68	-0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.69	-0.16

Drawdowns

USISX vs. VIHAX - Drawdown Comparison

The maximum USISX drawdown since its inception was -58.46%, which is greater than VIHAX's maximum drawdown of -38.80%. Use the drawdown chart below to compare losses from any high point for USISX and VIHAX.

Drawdown Indicators

	USISX	VIHAX	Difference
Max Drawdown Largest peak-to-trough decline	-58.46%	-38.80%	-19.66%
Max Drawdown (1Y) Largest decline over 1 year	-5.51%	-9.53%	+4.02%
Max Drawdown (3Y) Largest decline over 3 years	-24.19%	-12.29%	-11.90%
Max Drawdown (5Y) Largest decline over 5 years	-24.19%	-23.92%	-0.27%
Max Drawdown (10Y) Largest decline over 10 years	-36.00%	-38.80%	+2.80%
Current Drawdown Current decline from peak	0.00%	-0.33%	+0.33%
Average Drawdown Average peak-to-trough decline	-7.81%	-6.02%	-1.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.48%	2.49%	-1.01%

Volatility

USISX vs. VIHAX - Volatility Comparison

The current volatility for USAA Income Stock Fund (USISX) is 2.57%, while Vanguard International High Dividend Yield Index Fund Admiral Shares (VIHAX) has a volatility of 3.46%. This indicates that USISX experiences smaller price fluctuations and is considered to be less risky than VIHAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USISX	VIHAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.57%	3.46%	-0.89%
Volatility (6M) Calculated over the trailing 6-month period	7.24%	9.63%	-2.39%
Volatility (1Y) Calculated over the trailing 1-year period	10.23%	11.89%	-1.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.92%	13.75%	+4.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.04%	15.90%	+2.14%

USISX vs. VIHAX - Expense Ratio Comparison

USISX has a 0.70% expense ratio, which is higher than VIHAX's 0.22% expense ratio.

Dividends

USISX vs. VIHAX - Dividend Comparison

USISX's dividend yield for the trailing twelve months is around 8.98%, more than VIHAX's 3.39% 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%
VIHAX Vanguard International High Dividend Yield Index Fund Admiral Shares	3.39%	3.69%	4.85%	4.58%	4.70%	4.30%	3.22%	5.63%	4.28%	3.16%	2.37%	0.00%

Frequently Asked Questions

Can I hold both USISX and VIHAX in my portfolio?

USISX and VIHAX have a correlation of 0.62, 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 VIHAX?

VIHAX has higher volatility (3.46%) compared to USISX (2.57%). In terms of maximum drawdown, USISX dropped -58.46% vs VIHAX's -38.80%.

Which has better risk-adjusted returns?

VIHAX currently has the higher Sharpe Ratio (2.63 vs 2.53), 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.