TMFX vs. VO

Last updated Jun 4, 2026

TMFX (Motley Fool Next Index ETF) and VO (Vanguard Mid-Cap ETF) are both exchange-traded funds - TMFX is a Mid Cap Growth Equities fund tracking the Motley Fool Next Index, while VO is a Mid Cap Blend Equities fund tracking the CRSP US Mid Cap Index. Both are passively managed. Over the past 3 years, TMFX returned 13.61%/yr vs 16.69%/yr for VO. Their correlation of 0.91 suggests significant overlap in exposure. TMFX charges 0.50%/yr vs 0.03%/yr for VO.

Performance

TMFX vs. VO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Motley Fool Next Index ETF (TMFX) and Vanguard Mid-Cap ETF (VO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TMFX achieves a 4.09% return, which is significantly lower than VO's 10.05% return.

TMFX

• 1D: -0.92%
• 1M: 5.95%
• YTD: 4.09%
• 6M: 4.52%
• 1Y: 12.73%
• 3Y*: 13.61%
• 5Y*: —
• 10Y*: —

VO

• 1D: -0.45%
• 1M: 3.20%
• YTD: 10.05%
• 6M: 9.73%
• 1Y: 18.13%
• 3Y*: 16.69%
• 5Y*: 7.87%
• 10Y*: 11.55%

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

TMFX vs. VO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TMFX Motley Fool Next Index ETF	4.09%	10.41%	16.04%	17.95%	-28.16%
VO Vanguard Mid-Cap ETF	10.05%	11.62%	15.31%	16.03%	-18.73%

Correlation

The correlation between TMFX and VO is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (All Time) Calculated using the full available price history since Jan 3, 2022	0.91

The correlation between TMFX and VO has been stable across timeframes, ranging from 0.85 to 0.91 - a consistent structural relationship.

TMFX vs. VO - Sectors Allocation Comparison

Sectors	TMFX	VO
Technology	28.8%	18.6%
Healthcare	17.6%	7.6%
Consumer Cyclical	16.9%	8.6%
Industrials	14.1%	17.9%
Financial Services	10.5%	12.8%
Communication Services	5.6%	3.1%
Consumer Defensive	2.7%	4.8%
Real Estate	2.1%	5.4%
Basic Materials	1.6%	4.2%
Energy	0.0%	8.5%
Utilities	-	8.3%

Return for Risk

TMFX vs. VO — Risk / Return Rank

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

TMFX

TMFX Risk / Return Rank: 21
TMFX Sharpe Ratio Rank: 21
TMFX Sortino Ratio Rank: 21
TMFX Omega Ratio Rank: 20
TMFX Calmar Ratio Rank: 21
TMFX Martin Ratio Rank: 23

VO

VO Risk / Return Rank: 43
VO Sharpe Ratio Rank: 41
VO Sortino Ratio Rank: 41
VO Omega Ratio Rank: 38
VO Calmar Ratio Rank: 44
VO Martin Ratio Rank: 50

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.

TMFX vs. VO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Motley Fool Next Index ETF (TMFX) and Vanguard Mid-Cap ETF (VO). 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.

	TMFX	VO	Difference
Sharpe ratio: Return per unit of total volatility	0.76	1.48	-0.72
Sortino ratio: Return per unit of downside risk	1.18	2.14	-0.96
Omega ratio: Gain probability vs. loss probability	1.13	1.26	-0.12
Calmar ratio: Return relative to maximum drawdown	0.92	2.23	-1.31
Martin ratio: Return relative to average drawdown	2.93	8.50	-5.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TMFX vs. VO - Sharpe Ratio Comparison

The current TMFX Sharpe Ratio is 0.76, which is lower than the VO Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of TMFX and VO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TMFX	VO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.76	1.48	-0.72
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.45	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.61	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.50	-0.38

Drawdowns

TMFX vs. VO - Drawdown Comparison

The maximum TMFX drawdown since its inception was -34.30%, smaller than the maximum VO drawdown of -58.87%. Use the drawdown chart below to compare losses from any high point for TMFX and VO.

Drawdown Indicators

	TMFX	VO	Difference
Max Drawdown Largest peak-to-trough decline	-34.30%	-58.87%	+24.57%
Max Drawdown (1Y) Largest decline over 1 year	-13.95%	-8.17%	-5.78%
Max Drawdown (3Y) Largest decline over 3 years	-24.05%	-19.02%	-5.03%
Max Drawdown (5Y) Largest decline over 5 years	—	-27.57%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-39.37%	—
Current Drawdown Current decline from peak	-1.78%	-0.45%	-1.33%
Average Drawdown Average peak-to-trough decline	-14.38%	-7.86%	-6.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.35%	2.14%	+2.21%

Volatility

TMFX vs. VO - Volatility Comparison

Motley Fool Next Index ETF (TMFX) has a higher volatility of 4.11% compared to Vanguard Mid-Cap ETF (VO) at 2.99%. This indicates that TMFX's price experiences larger fluctuations and is considered to be riskier than VO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TMFX	VO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.11%	2.99%	+1.12%
Volatility (6M) Calculated over the trailing 6-month period	12.33%	9.21%	+3.12%
Volatility (1Y) Calculated over the trailing 1-year period	16.86%	12.34%	+4.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.39%	17.59%	+5.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.39%	18.95%	+4.44%

TMFX vs. VO - Expense Ratio Comparison

TMFX has a 0.50% expense ratio, which is higher than VO's 0.03% expense ratio.

Dividends

TMFX vs. VO - Dividend Comparison

TMFX's dividend yield for the trailing twelve months is around 0.05%, less than VO's 1.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TMFX Motley Fool Next Index ETF	0.05%	0.05%	0.06%	0.16%	0.22%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VO Vanguard Mid-Cap ETF	1.36%	1.52%	1.49%	1.52%	1.60%	1.12%	1.45%	1.48%	1.82%	1.35%	1.45%	1.47%

Frequently Asked Questions

Can I hold both TMFX and VO in my portfolio?

TMFX and VO have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TMFX or VO?

TMFX has higher volatility (4.11%) compared to VO (2.99%). In terms of maximum drawdown, TMFX dropped -34.30% vs VO's -58.87%.

Which ETF is better, TMFX or VO?

On 3-year performance, VO leads with 16.69% vs 13.61% for TMFX. On fees, VO is cheaper at 0.03% per year. On volatility, VO has been the lower-risk option at 2.99%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TMFX or VO?

Over the 3-year period, VO has performed better with a 16.69% return vs 13.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TMFX or VO?

VO is cheaper with a 0.03% expense ratio, compared with 0.50% for TMFX.

Which ETF pays a higher dividend yield, TMFX or VO?

VO has the higher dividend yield at 1.36%, compared with 0.05% for TMFX.

What is the main difference between TMFX and VO?

TMFX is categorized as Mid Cap Growth Equities, while VO is Mid Cap Blend Equities. TMFX tracks Motley Fool Next Index, while VO tracks CRSP US Mid Cap Index. They also come from different issuers: Motley Fool and Vanguard. Their fees differ too: 0.50% for TMFX and 0.03% for VO.

Which has better risk-adjusted returns?

VO currently has the higher Sharpe Ratio (1.48 vs 0.76), 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.