TMFS vs. TMFE

Last updated Aug 2, 2026

TMFS (Motley Fool Small-Cap Growth ETF) and TMFE (The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF) are both exchange-traded funds - TMFS is a Small Cap Growth Equities fund actively managed by Motley Fool, while TMFE is a Large Cap Blend Equities fund tracking the Motley Fool Capital Efficiency 100 Index. TMFS is actively managed, while TMFE is passively managed. Over the past 3 years, TMFS returned 5.68%/yr vs 16.49%/yr for TMFE. Their 0.72 correlation means they have sometimes moved together and sometimes differently. TMFS charges 0.85%/yr vs 0.50%/yr for TMFE.

Performance

TMFS vs. TMFE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Motley Fool Small-Cap Growth ETF (TMFS) and The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF (TMFE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TMFS achieves a 1.73% return, which is significantly lower than TMFE's 3.28% return.

TMFS

• 1D: -0.17%
• 1M: -1.83%
• 6M: 0.91%
• YTD: 1.73%
• 1Y: 3.12%
• 3Y*: 5.68%
• 5Y*: -1.70%
• 10Y*: —
• ALL TIME*: 9.16%

TMFE

• 1D: 0.84%
• 1M: 0.51%
• 6M: 3.60%
• YTD: 3.28%
• 1Y: 9.62%
• 3Y*: 16.49%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 9.78%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
TMFE The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF	$297.07K	$363.30K	$442.18K
TMFS Motley Fool Small-Cap Growth ETF	$105.61K	$113.15K	$201.92K

TMFS vs. TMFE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
TMFS Motley Fool Small-Cap Growth ETF	1.73%	-1.59%	15.41%	25.40%	-33.15%	0.49%
TMFE The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF	3.28%	11.10%	27.95%	41.12%	-25.84%	-0.21%

Correlation

The correlation between TMFS and TMFE is 0.67, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.67
Correlation (3Y) Balances recent behavior with more history.	0.65
Correlation (All Time) Calculated using the full available price history since Dec 31, 2021	0.72

The correlation between TMFS and TMFE has been stable across timeframes, ranging from 0.65 to 0.72 - a consistent structural relationship.

TMFS vs. TMFE - Sectors Allocation Comparison

Sectors	TMFS	TMFE
Technology	24.5%	34.0%
Industrials	22.4%	4.4%
Healthcare	22.2%	8.8%
Financial Services	13.8%	9.6%
Consumer Cyclical	7.4%	17.1%
Real Estate	5.2%	0.2%
Energy	2.4%	-
Basic Materials	2.1%	2.0%
Consumer Defensive	0.0%	10.2%
Communication Services	-	13.9%
Utilities	-	-

Return for Risk

TMFS vs. TMFE — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

TMFS

TMFS Risk / Return Rank: 13
TMFS Sharpe Ratio Rank: 13
TMFS Sortino Ratio Rank: 13
TMFS Omega Ratio Rank: 12
TMFS Calmar Ratio Rank: 13
TMFS Martin Ratio Rank: 13

TMFE

TMFE Risk / Return Rank: 27
TMFE Sharpe Ratio Rank: 28
TMFE Sortino Ratio Rank: 27
TMFE Omega Ratio Rank: 25
TMFE Calmar Ratio Rank: 25
TMFE Martin Ratio Rank: 30

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

TMFS vs. TMFE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Motley Fool Small-Cap Growth ETF (TMFS) and The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF (TMFE). 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.

	TMFS	TMFE	Difference
Sharpe ratio: Return per unit of total volatility	0.09	0.66	-0.58
Sortino ratio: Return per unit of downside risk	0.28	1.00	-0.73
Omega ratio: Gain probability vs. loss probability	1.03	1.12	-0.09
Calmar ratio: Return relative to maximum drawdown	0.11	0.76	-0.65
Martin ratio: Return relative to average drawdown	0.30	2.72	-2.42

TMFS vs. TMFE - Sharpe Ratio Comparison

The current TMFS Sharpe Ratio is 0.09, which is lower than the TMFE Sharpe Ratio of 0.66. The chart below compares the historical Sharpe Ratios of TMFS and TMFE, 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

TMFS vs. TMFE - Drawdown Comparison

The maximum TMFS drawdown since its inception was -48.79%, which is greater than TMFE's maximum drawdown of -31.21%. Use the drawdown chart below to compare losses from any high point for TMFS and TMFE.

Drawdown Indicators

	TMFS	TMFE	Difference
Max Drawdown Largest peak-to-trough decline	-48.79%	-31.21%	-17.58%
Max Drawdown (1Y) Largest decline over 1 year	-15.73%	-11.30%	-4.43%
Max Drawdown (3Y) Largest decline over 3 years	-27.05%	-18.81%	-8.24%
Max Drawdown (5Y) Largest decline over 5 years	-45.68%	—	—
Current Drawdown Current decline from peak	-17.58%	-1.12%	-16.46%
Average Drawdown Average peak-to-trough decline	-19.44%	-8.12%	-11.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.70%	3.14%	+2.56%

Volatility

TMFS vs. TMFE - Volatility Comparison

Motley Fool Small-Cap Growth ETF (TMFS) and The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF (TMFE) have volatilities of 3.90% and 3.81%, 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

	TMFS	TMFE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.90%	3.81%	+0.09%
Volatility (6M) Calculated over the trailing 6-month period	13.93%	10.23%	+3.70%
Volatility (1Y) Calculated over the trailing 1-year period	19.75%	12.94%	+6.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.97%	19.11%	+3.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.38%	19.11%	+6.27%

TMFS vs. TMFE - Expense Ratio Comparison

TMFS has a 0.85% expense ratio, which is higher than TMFE's 0.50% expense ratio.

Dividends

TMFS vs. TMFE - Dividend Comparison

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

Position	TTM	2025	2024	2023	2022	2021	2020	2019
TMFE The RBB Fund, Inc. - Motley Fool High Capital Efficiency Index ETF	0.31%	0.32%	0.44%	0.45%	0.40%	0.00%	0.00%	0.00%
TMFS Motley Fool Small-Cap Growth ETF	0.00%	0.00%	0.00%	0.00%	0.34%	2.37%	5.57%	2.65%

Frequently Asked Questions

Can I hold both TMFS and TMFE in my portfolio?

TMFS and TMFE have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TMFS or TMFE?

TMFS has higher volatility (3.90%) compared to TMFE (3.81%). In terms of maximum drawdown, TMFS dropped -48.79% vs TMFE's -31.21%.

Which ETF is better, TMFS or TMFE?

On 3-year performance, TMFE leads with 16.49% vs 5.68% for TMFS. On fees, TMFE is cheaper at 0.50% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TMFS or TMFE?

Over the 3-year period, TMFE has performed better with a 16.49% return vs 5.68%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TMFS or TMFE?

TMFE is cheaper with a 0.50% expense ratio, compared with 0.85% for TMFS.

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

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

What is the main difference between TMFS and TMFE?

TMFS is categorized as Small Cap Growth Equities, while TMFE is Large Cap Blend Equities. They also come from different issuers: Motley Fool and RBB Fund. Their fees differ too: 0.85% for TMFS and 0.50% for TMFE.

Which has better risk-adjusted returns?

TMFE currently has the higher Sharpe Ratio (0.66 vs 0.09), 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.