RBLU vs. MSTU

Last updated Jul 15, 2026

RBLU (T-Rex 2X Long RBLX Daily Target ETF) and MSTU (T-Rex 2X Long MSTR Daily Target ETF) are both Leveraged Equities funds from T-Rex. RBLU is passively managed, while MSTU is actively managed. Over the past year, RBLU returned -87.51% vs -98.12% for MSTU. At a 0.31 correlation, their price movements are largely independent. Both charge a 1.05% expense ratio.

Performance

RBLU vs. MSTU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-Rex 2X Long RBLX Daily Target ETF (RBLU) 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, RBLU achieves a -69.77% return, which is significantly higher than MSTU's -76.17% return.

RBLU

• 1D: -2.00%
• 1M: 48.57%
• 6M: -71.92%
• YTD: -69.77%
• 1Y: -87.51%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTU

• 1D: 11.24%
• 1M: -43.75%
• 6M: -81.16%
• YTD: -76.17%
• 1Y: -98.12%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RBLU vs. MSTU - Yearly Performance Comparison

	2026 (YTD)	2025
RBLU T-Rex 2X Long RBLX Daily Target ETF	-69.77%	23.90%
MSTU T-Rex 2X Long MSTR Daily Target ETF	-76.17%	-82.54%

Correlation

The correlation between RBLU and MSTU is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.26
Correlation (All Time) Calculated using the full available price history since Mar 4, 2025	0.31

Return for Risk

RBLU vs. MSTU — Risk / Return Rank

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

RBLU

RBLU Risk / Return Rank: 2
RBLU Sharpe Ratio Rank: 4
RBLU Sortino Ratio Rank: 3
RBLU Omega Ratio Rank: 2
RBLU Calmar Ratio Rank: 1
RBLU Martin Ratio Rank: 3

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.

RBLU vs. MSTU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-Rex 2X Long RBLX Daily Target ETF (RBLU) 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.

	RBLU	MSTU	Difference
Sharpe ratio: Return per unit of total volatility	-0.69	-0.67	-0.02
Sortino ratio: Return per unit of downside risk	-1.32	-2.68	+1.36
Omega ratio: Gain probability vs. loss probability	0.84	0.73	+0.11
Calmar ratio: Return relative to maximum drawdown	-0.92	-1.00	+0.07
Martin ratio: Return relative to average drawdown	-1.27	-1.20	-0.07

RBLU vs. MSTU - Sharpe Ratio Comparison

The current RBLU Sharpe Ratio is -0.69, which is comparable to the MSTU Sharpe Ratio of -0.67. The chart below compares the historical Sharpe Ratios of RBLU 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

RBLU vs. MSTU - Drawdown Comparison

The maximum RBLU drawdown since its inception was -94.76%, roughly equal to the maximum MSTU drawdown of -99.43%. Use the drawdown chart below to compare losses from any high point for RBLU and MSTU.

Drawdown Indicators

	RBLU	MSTU	Difference
Max Drawdown Largest peak-to-trough decline	-94.76%	-99.43%	+4.67%
Max Drawdown (1Y) Largest decline over 1 year	-94.76%	-98.62%	+3.86%
Current Drawdown Current decline from peak	-91.56%	-99.23%	+7.67%
Average Drawdown Average peak-to-trough decline	-46.69%	-73.39%	+26.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	68.74%	81.65%	-12.91%

Volatility

RBLU vs. MSTU - Volatility Comparison

The current volatility for T-Rex 2X Long RBLX Daily Target ETF (RBLU) is 43.71%, while T-Rex 2X Long MSTR Daily Target ETF (MSTU) has a volatility of 53.90%. This indicates that RBLU experiences smaller price fluctuations and is considered to be less risky than MSTU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBLU	MSTU	Difference
Volatility (1M) Calculated over the trailing 1-month period	43.71%	53.90%	-10.19%
Volatility (6M) Calculated over the trailing 6-month period	106.67%	121.09%	-14.42%
Volatility (1Y) Calculated over the trailing 1-year period	127.05%	146.91%	-19.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	119.81%	169.65%	-49.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	119.81%	169.65%	-49.84%

RBLU vs. MSTU - Expense Ratio Comparison

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

Dividends

RBLU vs. MSTU - Dividend Comparison

RBLU's dividend yield for the trailing twelve months is around 4.28%, while MSTU has not paid dividends to shareholders.

Position	TTM	2025
MSTU T-Rex 2X Long MSTR Daily Target ETF	0.00%	0.00%
RBLU T-Rex 2X Long RBLX Daily Target ETF	4.28%	1.29%

Frequently Asked Questions

Can I hold both RBLU and MSTU in my portfolio?

RBLU and MSTU have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBLU or MSTU?

MSTU has higher volatility (53.90%) compared to RBLU (43.71%). In terms of maximum drawdown, RBLU dropped -94.76% vs MSTU's -99.43%.

Which ETF is better, RBLU or MSTU?

On 1-year performance, RBLU leads with -87.51% vs -98.12% for MSTU. Both ETFs have the same 1.05% expense ratio. On volatility, RBLU has been the lower-risk option at 43.71%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RBLU or MSTU?

Over the 1-year period, RBLU has performed better with a -87.51% return vs -98.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RBLU or MSTU?

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

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

RBLU has the higher dividend yield at 4.28%, compared with 0.00% for MSTU.

Which has better risk-adjusted returns?

MSTU currently has the higher Sharpe Ratio (-0.67 vs -0.69), 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.