ROBN vs. MSTU

Last updated Jun 23, 2026

ROBN (T-REX 2X Long HOOD Daily Target ETF) and MSTU (T-Rex 2X Long MSTR Daily Target ETF) are both Leveraged Equities funds from T-Rex. Both are actively managed. Over the past year, ROBN returned -5.97% vs -96.32% for MSTU. A 0.60 correlation means they provide meaningful diversification when combined. Both charge a 1.05% expense ratio.

Performance

ROBN vs. MSTU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-REX 2X Long HOOD Daily Target ETF (ROBN) and T-Rex 2X Long MSTR Daily Target ETF (MSTU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ROBN achieves a -37.23% return, which is significantly higher than MSTU's -67.51% return.

ROBN

• 1D: -4.80%
• 1M: 92.55%
• YTD: -37.23%
• 6M: -46.95%
• 1Y: -5.97%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTU

• 1D: -5.59%
• 1M: -56.73%
• YTD: -67.51%
• 6M: -72.64%
• 1Y: -96.32%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ROBN vs. MSTU - Yearly Performance Comparison

	2026 (YTD)	2025
ROBN T-REX 2X Long HOOD Daily Target ETF	-37.23%	124.78%
MSTU T-Rex 2X Long MSTR Daily Target ETF	-67.51%	-91.33%

Correlation

The correlation between ROBN and MSTU 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 (All Time) Calculated using the full available price history since Jan 31, 2025	0.60

The correlation between ROBN and MSTU has been stable across timeframes, ranging from 0.60 to 0.62 - a consistent structural relationship.

Return for Risk

ROBN vs. MSTU — Risk / Return Rank

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

ROBN

ROBN Risk / Return Rank: 12
ROBN Sharpe Ratio Rank: 8
ROBN Sortino Ratio Rank: 18
ROBN Omega Ratio Rank: 18
ROBN Calmar Ratio Rank: 8
ROBN Martin Ratio Rank: 8

MSTU

MSTU Risk / Return Rank: 2
MSTU Sharpe Ratio Rank: 4
MSTU Sortino Ratio Rank: 0
MSTU Omega Ratio Rank: 0
MSTU Calmar Ratio Rank: 0
MSTU Martin Ratio Rank: 3

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.

ROBN vs. MSTU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-REX 2X Long HOOD Daily Target ETF (ROBN) and T-Rex 2X Long MSTR Daily Target ETF (MSTU). 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.

	ROBN	MSTU	Difference
Sharpe ratio: Return per unit of total volatility	-0.04	-0.68	+0.64
Sortino ratio: Return per unit of downside risk	0.99	-2.22	+3.21
Omega ratio: Gain probability vs. loss probability	1.12	0.77	+0.35
Calmar ratio: Return relative to maximum drawdown	-0.07	-0.99	+0.92
Martin ratio: Return relative to average drawdown	-0.11	-1.23	+1.12

ROBN vs. MSTU - Sharpe Ratio Comparison

The current ROBN Sharpe Ratio is -0.04, which is higher than the MSTU Sharpe Ratio of -0.68. The chart below compares the historical Sharpe Ratios of ROBN and MSTU, 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

ROBN vs. MSTU - Drawdown Comparison

The maximum ROBN drawdown since its inception was -86.84%, smaller than the maximum MSTU drawdown of -98.95%. Use the drawdown chart below to compare losses from any high point for ROBN and MSTU.

Drawdown Indicators

	ROBN	MSTU	Difference
Max Drawdown Largest peak-to-trough decline	-86.84%	-98.95%	+12.11%
Max Drawdown (1Y) Largest decline over 1 year	-86.84%	-97.47%	+10.63%
Current Drawdown Current decline from peak	-70.69%	-98.95%	+28.26%
Average Drawdown Average peak-to-trough decline	-44.25%	-72.51%	+28.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	55.66%	78.06%	-22.40%

Volatility

ROBN vs. MSTU - Volatility Comparison

T-REX 2X Long HOOD Daily Target ETF (ROBN) and T-Rex 2X Long MSTR Daily Target ETF (MSTU) have volatilities of 46.05% and 43.88%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ROBN	MSTU	Difference
Volatility (1M) Calculated over the trailing 1-month period	46.05%	43.88%	+2.17%
Volatility (6M) Calculated over the trailing 6-month period	102.51%	113.60%	-11.09%
Volatility (1Y) Calculated over the trailing 1-year period	140.33%	141.98%	-1.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	152.09%	168.54%	-16.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	152.09%	168.54%	-16.45%

ROBN vs. MSTU - Expense Ratio Comparison

Both ROBN and MSTU have an expense ratio of 1.05%.

Dividends

ROBN vs. MSTU - Dividend Comparison

ROBN's dividend yield for the trailing twelve months is around 7.14%, while MSTU has not paid dividends to shareholders.

Position	TTM	2025
MSTU T-Rex 2X Long MSTR Daily Target ETF	0.00%	0.00%
ROBN T-REX 2X Long HOOD Daily Target ETF	7.14%	4.48%

Frequently Asked Questions

Can I hold both ROBN and MSTU in my portfolio?

ROBN and MSTU 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, ROBN or MSTU?

ROBN has higher volatility (46.05%) compared to MSTU (43.88%). In terms of maximum drawdown, ROBN dropped -86.84% vs MSTU's -98.95%.

Which ETF is better, ROBN or MSTU?

On 1-year performance, ROBN leads with -5.97% vs -96.32% for MSTU. Both ETFs have the same 1.05% expense ratio. On volatility, MSTU has been the lower-risk option at 43.88%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ROBN or MSTU?

Over the 1-year period, ROBN has performed better with a -5.97% return vs -96.32%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ROBN or MSTU?

ROBN and MSTU have the same expense ratio: 1.05% per year.

Which ETF pays a higher dividend yield, ROBN or MSTU?

ROBN has the higher dividend yield at 7.14%, compared with 0.00% for MSTU.

Which has better risk-adjusted returns?

ROBN currently has the higher Sharpe Ratio (-0.04 vs -0.68), 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.