USEMX vs. MSTY

Last updated Aug 1, 2026

USEMX (USAA Emerging Markets Fund) and MSTY (YieldMax™ MSTR Option Income Strategy ETF) are both funds - USEMX is a Emerging Markets Equities fund managed by Victory, while MSTY is a Derivative Income fund actively managed by YieldMax. Over the past year, USEMX returned 41.32% vs -68.40% for MSTY. Their 0.36 correlation means their historical movements had little consistent relationship. USEMX charges 1.47%/yr vs 0.99%/yr for MSTY.

Performance

USEMX vs. MSTY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in USAA Emerging Markets Fund (USEMX) and YieldMax™ MSTR Option Income Strategy ETF (MSTY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USEMX achieves a 20.37% return, which is significantly higher than MSTY's -33.29% return.

USEMX

• 1D: 3.48%
• 1M: -3.99%
• 6M: 9.94%
• YTD: 20.37%
• 1Y: 41.32%
• 3Y*: 19.83%
• 5Y*: 8.84%
• 10Y*: 9.05%
• ALL TIME*: 5.60%

MSTY

• 1D: -2.60%
• 1M: -2.63%
• 6M: -31.98%
• YTD: -33.29%
• 1Y: -68.40%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 7.52%

*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)
MSTY YieldMax™ MSTR Option Income Strategy ETF	$12.71M	$13.42M	$28.94M
USEMX USAA Emerging Markets Fund	$0.00	$0.00	$0.00

USEMX vs. MSTY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
USEMX USAA Emerging Markets Fund	20.37%	36.50%	3.25%
MSTY YieldMax™ MSTR Option Income Strategy ETF	-33.29%	-42.71%	212.16%

Correlation

The correlation between USEMX and MSTY is 0.39, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.39
Correlation (All Time) Calculated using the full available price history since Feb 22, 2024	0.36

Return for Risk

USEMX vs. MSTY — Risk / Return Rank

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

USEMX

USEMX Risk / Return Rank: 70
USEMX Sharpe Ratio Rank: 69
USEMX Sortino Ratio Rank: 58
USEMX Omega Ratio Rank: 70
USEMX Calmar Ratio Rank: 80
USEMX Martin Ratio Rank: 72

MSTY

MSTY Risk / Return Rank: 1
MSTY Sharpe Ratio Rank: 1
MSTY Sortino Ratio Rank: 0
MSTY Omega Ratio Rank: 1
MSTY Calmar Ratio Rank: 1
MSTY Martin Ratio Rank: 1

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.

USEMX vs. MSTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for USAA Emerging Markets Fund (USEMX) and YieldMax™ MSTR Option Income Strategy ETF (MSTY). 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.

	USEMX	MSTY	Difference
Sharpe ratio: Return per unit of total volatility	1.67	-1.09	+2.76
Sortino ratio: Return per unit of downside risk	2.16	-2.13	+4.29
Omega ratio: Gain probability vs. loss probability	1.31	0.77	+0.54
Calmar ratio: Return relative to maximum drawdown	2.72	-0.95	+3.67
Martin ratio: Return relative to average drawdown	8.98	-1.40	+10.38

USEMX vs. MSTY - Sharpe Ratio Comparison

The current USEMX Sharpe Ratio is 1.67, which is higher than the MSTY Sharpe Ratio of -1.09. The chart below compares the historical Sharpe Ratios of USEMX and MSTY, 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

USEMX vs. MSTY - Drawdown Comparison

The maximum USEMX drawdown since its inception was -64.84%, smaller than the maximum MSTY drawdown of -77.40%. Use the drawdown chart below to compare losses from any high point for USEMX and MSTY.

Drawdown Indicators

	USEMX	MSTY	Difference
Max Drawdown Largest peak-to-trough decline	-64.84%	-77.40%	+12.56%
Max Drawdown (1Y) Largest decline over 1 year	-14.23%	-74.91%	+60.68%
Max Drawdown (3Y) Largest decline over 3 years	-16.26%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-32.31%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-40.29%	—	—
Current Drawdown Current decline from peak	-11.24%	-73.77%	+62.53%
Average Drawdown Average peak-to-trough decline	-19.23%	-29.05%	+9.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.30%	50.99%	-46.69%

Volatility

USEMX vs. MSTY - Volatility Comparison

The current volatility for USAA Emerging Markets Fund (USEMX) is 9.33%, while YieldMax™ MSTR Option Income Strategy ETF (MSTY) has a volatility of 14.46%. This indicates that USEMX experiences smaller price fluctuations and is considered to be less risky than MSTY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USEMX	MSTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.33%	14.46%	-5.13%
Volatility (6M) Calculated over the trailing 6-month period	20.95%	52.28%	-31.33%
Volatility (1Y) Calculated over the trailing 1-year period	23.11%	65.31%	-42.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.93%	71.91%	-53.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.24%	71.91%	-53.67%

USEMX vs. MSTY - Expense Ratio Comparison

USEMX has a 1.47% expense ratio, which is higher than MSTY's 0.99% expense ratio.

Dividends

USEMX vs. MSTY - Dividend Comparison

USEMX's dividend yield for the trailing twelve months is around 7.25%, less than MSTY's 251.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSTY YieldMax™ MSTR Option Income Strategy ETF	251.54%	294.61%	104.56%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
USEMX USAA Emerging Markets Fund	7.25%	8.73%	3.20%	1.83%	1.73%	0.70%	1.04%	0.32%	1.29%	0.33%	0.91%	0.82%

Frequently Asked Questions

Can I hold both USEMX and MSTY in my portfolio?

USEMX and MSTY have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USEMX or MSTY?

MSTY has higher volatility (14.46%) compared to USEMX (9.33%). In terms of maximum drawdown, USEMX dropped -64.84% vs MSTY's -77.40%.

Which has better risk-adjusted returns?

USEMX currently has the higher Sharpe Ratio (1.67 vs -1.09), 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.