TMFE vs. MSTZ

Last updated Jul 12, 2026

TMFE (The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - TMFE is a Large Cap Blend Equities fund tracking the Motley Fool Capital Efficiency 100 Index, while MSTZ is a Inverse Equities fund actively managed by REX. TMFE is passively managed, while MSTZ is actively managed. Over the past year, TMFE returned 8.54% vs 264.10% for MSTZ. At a correlation of -0.38, they often move in opposite directions. TMFE charges 0.50%/yr vs 1.05%/yr for MSTZ.

Performance

TMFE vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF (TMFE) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TMFE achieves a 3.07% return, which is significantly higher than MSTZ's -26.97% return.

TMFE

• 1D: 0.20%
• 1M: 2.52%
• 6M: 1.28%
• YTD: 3.07%
• 1Y: 8.54%
• 3Y*: 17.89%
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: -1.53%
• 1M: 39.32%
• 6M: -19.19%
• YTD: -26.97%
• 1Y: 264.10%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TMFE vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TMFE The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF	3.07%	11.10%	3.52%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-26.97%	-38.95%	-94.43%

Correlation

The correlation between TMFE and MSTZ is -0.40, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.40
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.38

Return for Risk

TMFE vs. MSTZ — Risk / Return Rank

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

TMFE

TMFE Risk / Return Rank: 21
TMFE Sharpe Ratio Rank: 21
TMFE Sortino Ratio Rank: 19
TMFE Omega Ratio Rank: 19
TMFE Calmar Ratio Rank: 19
TMFE Martin Ratio Rank: 24

MSTZ

MSTZ Risk / Return Rank: 60
MSTZ Sharpe Ratio Rank: 61
MSTZ Sortino Ratio Rank: 62
MSTZ Omega Ratio Rank: 63
MSTZ Calmar Ratio Rank: 71
MSTZ Martin Ratio Rank: 43

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.

TMFE vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF (TMFE) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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.

	TMFE	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	0.60	1.64	-1.03
Sortino ratio: Return per unit of downside risk	0.93	2.34	-1.41
Omega ratio: Gain probability vs. loss probability	1.11	1.30	-0.19
Calmar ratio: Return relative to maximum drawdown	0.67	2.86	-2.19
Martin ratio: Return relative to average drawdown	2.45	5.59	-3.14

TMFE vs. MSTZ - Sharpe Ratio Comparison

The current TMFE Sharpe Ratio is 0.60, which is lower than the MSTZ Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of TMFE and MSTZ, 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

TMFE vs. MSTZ - Drawdown Comparison

The maximum TMFE drawdown since its inception was -31.21%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for TMFE and MSTZ.

Drawdown Indicators

	TMFE	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-31.21%	-99.38%	+68.17%
Max Drawdown (1Y) Largest decline over 1 year	-11.30%	-84.89%	+73.59%
Max Drawdown (3Y) Largest decline over 3 years	-18.81%	—	—
Current Drawdown Current decline from peak	-0.30%	-97.51%	+97.21%
Average Drawdown Average peak-to-trough decline	-8.20%	-94.53%	+86.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.10%	43.41%	-40.31%

Volatility

TMFE vs. MSTZ - Volatility Comparison

The current volatility for The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF (TMFE) is 4.50%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 56.46%. This indicates that TMFE experiences smaller price fluctuations and is considered to be less risky than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TMFE	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.50%	56.46%	-51.96%
Volatility (6M) Calculated over the trailing 6-month period	9.99%	135.20%	-125.21%
Volatility (1Y) Calculated over the trailing 1-year period	12.60%	148.41%	-135.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.17%	171.17%	-152.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.17%	171.17%	-152.00%

TMFE vs. MSTZ - Expense Ratio Comparison

TMFE has a 0.50% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

TMFE vs. MSTZ - Dividend Comparison

TMFE's dividend yield for the trailing twelve months is around 0.31%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%	0.00%	0.00%
TMFE The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF	0.31%	0.32%	0.44%	0.45%	0.40%

Frequently Asked Questions

Can I hold both TMFE and MSTZ in my portfolio?

TMFE and MSTZ have a correlation of -0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TMFE or MSTZ?

MSTZ has higher volatility (56.46%) compared to TMFE (4.50%). In terms of maximum drawdown, TMFE dropped -31.21% vs MSTZ's -99.38%.

Which ETF is better, TMFE or MSTZ?

On 1-year performance, MSTZ leads with 264.10% vs 8.54% for TMFE. On fees, TMFE is cheaper at 0.50% per year. On volatility, TMFE has been the lower-risk option at 4.50%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TMFE or MSTZ?

Over the 1-year period, MSTZ has performed better with a 264.10% return vs 8.54%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TMFE or MSTZ?

TMFE is cheaper with a 0.50% expense ratio, compared with 1.05% for MSTZ.

Which ETF pays a higher dividend yield, TMFE or MSTZ?

TMFE has the higher dividend yield at 0.31%, compared with 0.00% for MSTZ.

What is the main difference between TMFE and MSTZ?

TMFE is categorized as Large Cap Blend Equities, while MSTZ is Inverse Equities. They also come from different issuers: RBB Fund and REX. Their fees differ too: 0.50% for TMFE and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.64 vs 0.60), 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.