TMFM vs. CERY

Last updated Jun 23, 2026

TMFM (Motley Fool Mid-Cap Growth ETF) and CERY (SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF) are both exchange-traded funds - TMFM is a Mid Cap Growth Equities fund actively managed by Motley Fool, while CERY is a Commodities fund tracking the Bloomberg Enhanced Roll Yield Total Return Index. TMFM is actively managed, while CERY is passively managed. Over the past year, TMFM returned -20.35% vs 26.17% for CERY. At a correlation of -0.01, they often move in opposite directions. TMFM charges 0.85%/yr vs 0.28%/yr for CERY.

Performance

TMFM vs. CERY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Motley Fool Mid-Cap Growth ETF (TMFM) and SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TMFM achieves a -11.78% return, which is significantly lower than CERY's 19.54% return.

TMFM

• 1D: -1.24%
• 1M: -0.86%
• YTD: -11.78%
• 6M: -14.15%
• 1Y: -20.35%
• 3Y*: 2.27%
• 5Y*: —
• 10Y*: —

CERY

• 1D: -0.67%
• 1M: -8.39%
• YTD: 19.54%
• 6M: 18.91%
• 1Y: 26.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TMFM vs. CERY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TMFM Motley Fool Mid-Cap Growth ETF	-11.78%	-8.98%	5.58%
CERY SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF	19.54%	15.68%	3.80%

Correlation

The correlation between TMFM and CERY is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.08
Correlation (All Time) Calculated using the full available price history since Sep 5, 2024	-0.01

Return for Risk

TMFM vs. CERY — Risk / Return Rank

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

TMFM

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

CERY

CERY Risk / Return Rank: 50
CERY Sharpe Ratio Rank: 50
CERY Sortino Ratio Rank: 47
CERY Omega Ratio Rank: 47
CERY Calmar Ratio Rank: 48
CERY Martin Ratio Rank: 58

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.

TMFM vs. CERY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Motley Fool Mid-Cap Growth ETF (TMFM) and SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY). 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.

	TMFM	CERY	Difference
Sharpe ratio: Return per unit of total volatility	-1.08	1.68	-2.76
Sortino ratio: Return per unit of downside risk	-1.55	2.26	-3.81
Omega ratio: Gain probability vs. loss probability	0.84	1.29	-0.46
Calmar ratio: Return relative to maximum drawdown	-0.75	2.31	-3.06
Martin ratio: Return relative to average drawdown	-1.32	9.93	-11.25

TMFM vs. CERY - Sharpe Ratio Comparison

The current TMFM Sharpe Ratio is -1.08, which is lower than the CERY Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of TMFM and CERY, 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

TMFM vs. CERY - Drawdown Comparison

The maximum TMFM drawdown since its inception was -31.75%, which is greater than CERY's maximum drawdown of -11.37%. Use the drawdown chart below to compare losses from any high point for TMFM and CERY.

Drawdown Indicators

	TMFM	CERY	Difference
Max Drawdown Largest peak-to-trough decline	-31.75%	-11.37%	-20.38%
Max Drawdown (1Y) Largest decline over 1 year	-27.34%	-11.37%	-15.97%
Max Drawdown (3Y) Largest decline over 3 years	-31.75%	—	—
Current Drawdown Current decline from peak	-28.21%	-11.37%	-16.84%
Average Drawdown Average peak-to-trough decline	-15.95%	-2.27%	-13.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.40%	2.83%	+12.57%

Volatility

TMFM vs. CERY - Volatility Comparison

Motley Fool Mid-Cap Growth ETF (TMFM) has a higher volatility of 6.84% compared to SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY) at 3.57%. This indicates that TMFM's price experiences larger fluctuations and is considered to be riskier than CERY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TMFM	CERY	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.84%	3.57%	+3.27%
Volatility (6M) Calculated over the trailing 6-month period	15.67%	13.57%	+2.10%
Volatility (1Y) Calculated over the trailing 1-year period	18.96%	15.63%	+3.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.58%	14.73%	+5.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.58%	14.73%	+5.85%

TMFM vs. CERY - Expense Ratio Comparison

TMFM has a 0.85% expense ratio, which is higher than CERY's 0.28% expense ratio.

Dividends

TMFM vs. CERY - Dividend Comparison

TMFM's dividend yield for the trailing twelve months is around 0.07%, less than CERY's 4.18% yield.

Position	TTM	2025	2024	2023
CERY SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF	4.18%	4.99%	0.52%	0.00%
TMFM Motley Fool Mid-Cap Growth ETF	0.07%	0.06%	16.27%	2.55%

Frequently Asked Questions

Can I hold both TMFM and CERY in my portfolio?

TMFM and CERY have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TMFM or CERY?

TMFM has higher volatility (6.84%) compared to CERY (3.57%). In terms of maximum drawdown, TMFM dropped -31.75% vs CERY's -11.37%.

Which ETF is better, TMFM or CERY?

On 1-year performance, CERY leads with 26.17% vs -20.35% for TMFM. On fees, CERY is cheaper at 0.28% per year. On volatility, CERY has been the lower-risk option at 3.57%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TMFM or CERY?

Over the 1-year period, CERY has performed better with a 26.17% return vs -20.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TMFM or CERY?

CERY is cheaper with a 0.28% expense ratio, compared with 0.85% for TMFM.

Which ETF pays a higher dividend yield, TMFM or CERY?

CERY has the higher dividend yield at 4.18%, compared with 0.07% for TMFM.

What is the main difference between TMFM and CERY?

TMFM is categorized as Mid Cap Growth Equities, while CERY is Commodities. They also come from different issuers: Motley Fool and State Street. Their fees differ too: 0.85% for TMFM and 0.28% for CERY.

Which has better risk-adjusted returns?

CERY currently has the higher Sharpe Ratio (1.68 vs -1.08), 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.