AUMI vs. MSTY

Last updated Jul 14, 2026

AUMI (Themes Gold Miners ETF) and MSTY (YieldMax™ MSTR Option Income Strategy ETF) are both exchange-traded funds - AUMI is a Gold fund tracking the Solactive Global Pure Gold Miners Index, while MSTY is a Derivative Income fund actively managed by YieldMax. AUMI is passively managed, while MSTY is actively managed. Over the past year, AUMI returned 40.70% vs -73.76% for MSTY. At a 0.20 correlation, their price movements are largely independent. AUMI charges 0.35%/yr vs 0.99%/yr for MSTY.

Performance

AUMI vs. MSTY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Themes Gold Miners ETF (AUMI) 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, AUMI achieves a -17.12% return, which is significantly higher than MSTY's -35.55% return.

AUMI

• 1D: -3.12%
• 1M: -6.22%
• 6M: -23.55%
• YTD: -17.12%
• 1Y: 40.70%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTY

• 1D: -2.03%
• 1M: -23.27%
• 6M: -39.01%
• YTD: -35.55%
• 1Y: -73.76%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AUMI vs. MSTY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
AUMI Themes Gold Miners ETF	-17.12%	164.18%	45.18%
MSTY YieldMax™ MSTR Option Income Strategy ETF	-35.55%	-42.71%	212.16%

Correlation

The correlation between AUMI and MSTY is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.30
Correlation (All Time) Calculated using the full available price history since Feb 22, 2024	0.20

Return for Risk

AUMI vs. MSTY — Risk / Return Rank

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

AUMI

AUMI Risk / Return Rank: 27
AUMI Sharpe Ratio Rank: 27
AUMI Sortino Ratio Rank: 29
AUMI Omega Ratio Rank: 30
AUMI Calmar Ratio Rank: 26
AUMI Martin Ratio Rank: 24

MSTY

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

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.

AUMI vs. MSTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Themes Gold Miners ETF (AUMI) 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.

	AUMI	MSTY	Difference
Sharpe ratio: Return per unit of total volatility	0.81	-1.15	+1.96
Sortino ratio: Return per unit of downside risk	1.28	-2.35	+3.63
Omega ratio: Gain probability vs. loss probability	1.17	0.75	+0.42
Calmar ratio: Return relative to maximum drawdown	1.04	-0.95	+2.00
Martin ratio: Return relative to average drawdown	2.48	-1.41	+3.89

AUMI vs. MSTY - Sharpe Ratio Comparison

The current AUMI Sharpe Ratio is 0.81, which is higher than the MSTY Sharpe Ratio of -1.15. The chart below compares the historical Sharpe Ratios of AUMI 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

AUMI vs. MSTY - Drawdown Comparison

The maximum AUMI drawdown since its inception was -39.28%, smaller than the maximum MSTY drawdown of -77.40%. Use the drawdown chart below to compare losses from any high point for AUMI and MSTY.

Drawdown Indicators

	AUMI	MSTY	Difference
Max Drawdown Largest peak-to-trough decline	-39.28%	-77.40%	+38.12%
Max Drawdown (1Y) Largest decline over 1 year	-39.28%	-77.40%	+38.12%
Current Drawdown Current decline from peak	-37.65%	-74.66%	+37.01%
Average Drawdown Average peak-to-trough decline	-8.15%	-28.01%	+19.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.44%	52.19%	-35.75%

Volatility

AUMI vs. MSTY - Volatility Comparison

The current volatility for Themes Gold Miners ETF (AUMI) is 15.86%, while YieldMax™ MSTR Option Income Strategy ETF (MSTY) has a volatility of 23.76%. This indicates that AUMI 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

	AUMI	MSTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.86%	23.76%	-7.90%
Volatility (6M) Calculated over the trailing 6-month period	41.16%	53.06%	-11.90%
Volatility (1Y) Calculated over the trailing 1-year period	50.57%	64.61%	-14.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.52%	72.32%	-29.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.52%	72.32%	-29.80%

AUMI vs. MSTY - Expense Ratio Comparison

AUMI has a 0.35% expense ratio, which is lower than MSTY's 0.99% expense ratio.

Dividends

AUMI vs. MSTY - Dividend Comparison

AUMI's dividend yield for the trailing twelve months is around 1.04%, less than MSTY's 289.43% yield.

Position	TTM	2025	2024
AUMI Themes Gold Miners ETF	1.04%	0.86%	1.84%
MSTY YieldMax™ MSTR Option Income Strategy ETF	289.43%	294.61%	104.56%

Frequently Asked Questions

Can I hold both AUMI and MSTY in my portfolio?

AUMI and MSTY have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AUMI or MSTY?

MSTY has higher volatility (23.76%) compared to AUMI (15.86%). In terms of maximum drawdown, AUMI dropped -39.28% vs MSTY's -77.40%.

Which ETF is better, AUMI or MSTY?

On 1-year performance, AUMI leads with 40.70% vs -73.76% for MSTY. On fees, AUMI is cheaper at 0.35% per year. On volatility, AUMI has been the lower-risk option at 15.86%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AUMI or MSTY?

Over the 1-year period, AUMI has performed better with a 40.70% return vs -73.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AUMI or MSTY?

AUMI is cheaper with a 0.35% expense ratio, compared with 0.99% for MSTY.

Which ETF pays a higher dividend yield, AUMI or MSTY?

MSTY has the higher dividend yield at 289.43%, compared with 1.04% for AUMI.

What is the main difference between AUMI and MSTY?

AUMI is categorized as Gold, while MSTY is Derivative Income. They also come from different issuers: Themes and YieldMax. Their fees differ too: 0.35% for AUMI and 0.99% for MSTY.

Which has better risk-adjusted returns?

AUMI currently has the higher Sharpe Ratio (0.81 vs -1.15), 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.