MSII vs. MSTY

Last updated Jun 24, 2026

MSII (REX MSTR Growth & Income ETF) and MSTY (YieldMax™ MSTR Option Income Strategy ETF) are both exchange-traded funds - MSII is a Leveraged Equities fund actively managed by REX, while MSTY is a Derivative Income fund actively managed by YieldMax. Both are actively managed. Over the past year, MSII returned -70.57% vs -66.58% for MSTY. With a 0.96 correlation, they move nearly in lockstep. Both charge a 0.99% expense ratio.

Performance

MSII vs. MSTY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX MSTR Growth & Income ETF (MSII) and YieldMax™ MSTR Option Income Strategy ETF (MSTY). 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 MSII having a -28.10% return and MSTY slightly higher at -27.80%.

MSII

• 1D: 0.00%
• 1M: -30.37%
• YTD: -28.10%
• 6M: -30.19%
• 1Y: -70.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTY

• 1D: -4.55%
• 1M: -31.74%
• YTD: -27.80%
• 6M: -29.80%
• 1Y: -66.58%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MSII vs. MSTY - Yearly Performance Comparison

	2026 (YTD)	2025
MSII REX MSTR Growth & Income ETF	-28.10%	-61.03%
MSTY YieldMax™ MSTR Option Income Strategy ETF	-27.80%	-54.56%

Correlation

The correlation between MSII and MSTY is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (All Time) Calculated using the full available price history since Jun 4, 2025	0.96

The correlation between MSII and MSTY has been stable across timeframes, ranging from 0.96 to 0.96 - a consistent structural relationship.

Return for Risk

MSII vs. MSTY — Risk / Return Rank

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

MSII

MSII Risk / Return Rank: 1
MSII Sharpe Ratio Rank: 1
MSII Sortino Ratio Rank: 1
MSII Omega Ratio Rank: 1
MSII Calmar Ratio Rank: 1
MSII Martin Ratio Rank: 3

MSTY

MSTY Risk / Return Rank: 1
MSTY Sharpe Ratio Rank: 1
MSTY Sortino Ratio Rank: 1
MSTY Omega Ratio Rank: 1
MSTY Calmar Ratio Rank: 1
MSTY Martin Ratio Rank: 2

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.

MSII vs. MSTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX MSTR Growth & Income ETF (MSII) 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.

	MSII	MSTY	Difference
Sharpe ratio: Return per unit of total volatility	-0.98	-1.08	+0.09
Sortino ratio: Return per unit of downside risk	-1.76	-1.96	+0.20
Omega ratio: Gain probability vs. loss probability	0.79	0.79	+0.01
Calmar ratio: Return relative to maximum drawdown	-0.90	-0.93	+0.03
Martin ratio: Return relative to average drawdown	-1.28	-1.35	+0.07

MSII vs. MSTY - Sharpe Ratio Comparison

The current MSII Sharpe Ratio is -0.98, which is comparable to the MSTY Sharpe Ratio of -1.08. The chart below compares the historical Sharpe Ratios of MSII 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

MSII vs. MSTY - Drawdown Comparison

The maximum MSII drawdown since its inception was -78.73%, which is greater than MSTY's maximum drawdown of -71.79%. Use the drawdown chart below to compare losses from any high point for MSII and MSTY.

Drawdown Indicators

	MSII	MSTY	Difference
Max Drawdown Largest peak-to-trough decline	-78.73%	-71.79%	-6.94%
Max Drawdown (1Y) Largest decline over 1 year	-78.73%	-71.79%	-6.94%
Current Drawdown Current decline from peak	-76.65%	-71.62%	-5.03%
Average Drawdown Average peak-to-trough decline	-47.49%	-26.97%	-20.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	55.34%	49.36%	+5.98%

Volatility

MSII vs. MSTY - Volatility Comparison

REX MSTR Growth & Income ETF (MSII) has a higher volatility of 21.17% compared to YieldMax™ MSTR Option Income Strategy ETF (MSTY) at 19.32%. This indicates that MSII's price experiences larger fluctuations and is considered to be riskier than MSTY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSII	MSTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.17%	19.32%	+1.85%
Volatility (6M) Calculated over the trailing 6-month period	56.72%	49.66%	+7.06%
Volatility (1Y) Calculated over the trailing 1-year period	71.96%	62.02%	+9.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	70.62%	71.82%	-1.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	70.62%	71.82%	-1.20%

MSII vs. MSTY - Expense Ratio Comparison

Both MSII and MSTY have an expense ratio of 0.99%.

Dividends

MSII vs. MSTY - Dividend Comparison

MSII's dividend yield for the trailing twelve months is around 97.58%, less than MSTY's 286.06% yield.

Position	TTM	2025	2024
MSII REX MSTR Growth & Income ETF	97.58%	48.93%	0.00%
MSTY YieldMax™ MSTR Option Income Strategy ETF	286.06%	294.61%	104.56%

Frequently Asked Questions

Can I hold both MSII and MSTY in my portfolio?

With a correlation of 0.96, MSII and MSTY move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MSII or MSTY?

MSII has higher volatility (21.17%) compared to MSTY (19.32%). In terms of maximum drawdown, MSII dropped -78.73% vs MSTY's -71.79%.

Which ETF is better, MSII or MSTY?

On 1-year performance, MSTY leads with -66.58% vs -70.57% for MSII. Both ETFs have the same 0.99% expense ratio. On volatility, MSTY has been the lower-risk option at 19.32%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MSII or MSTY?

Over the 1-year period, MSTY has performed better with a -66.58% return vs -70.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MSII or MSTY?

MSII and MSTY have the same expense ratio: 0.99% per year.

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

MSTY has the higher dividend yield at 286.06%, compared with 97.58% for MSII.

What is the main difference between MSII and MSTY?

MSII is categorized as Leveraged Equities, while MSTY is Derivative Income. They also come from different issuers: REX and YieldMax.

Which has better risk-adjusted returns?

MSII currently has the higher Sharpe Ratio (-0.98 vs -1.08), 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.