MFMO vs. GSG

Last updated Jun 4, 2026

MFMO (Motley Fool Momentum Factor ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - MFMO is a Momentum fund actively managed by Motley Fool, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. MFMO is actively managed, while GSG is passively managed. At a correlation of -0.32, they often move in opposite directions. MFMO charges 0.50%/yr vs 0.75%/yr for GSG.

Performance

MFMO vs. GSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Motley Fool Momentum Factor ETF (MFMO) and iShares S&P GSCI Commodity-Indexed Trust (GSG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFMO achieves a 25.49% return, which is significantly lower than GSG's 42.58% return.

MFMO

• 1D: 0.71%
• 1M: 11.78%
• YTD: 25.49%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

GSG

• 1D: 0.77%
• 1M: -4.83%
• YTD: 42.58%
• 6M: 41.06%
• 1Y: 51.52%
• 3Y*: 19.31%
• 5Y*: 15.74%
• 10Y*: 7.69%

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

MFMO vs. GSG - Yearly Performance Comparison

	2026 (YTD)	2025
MFMO Motley Fool Momentum Factor ETF	25.49%	-1.90%
GSG iShares S&P GSCI Commodity-Indexed Trust	42.58%	-0.17%

Correlation

The correlation between MFMO and GSG is -0.32, 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 (All Time) Calculated using the full available price history since Dec 10, 2025	-0.32

Return for Risk

MFMO vs. GSG — Risk / Return Rank

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

GSG

GSG Risk / Return Rank: 71
GSG Sharpe Ratio Rank: 67
GSG Sortino Ratio Rank: 60
GSG Omega Ratio Rank: 65
GSG Calmar Ratio Rank: 89
GSG Martin Ratio Rank: 75

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.

MFMO vs. GSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Motley Fool Momentum Factor ETF (MFMO) and iShares S&P GSCI Commodity-Indexed Trust (GSG). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	MFMO	GSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.26	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.70	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.35	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.24	-0.09	+2.33

Drawdowns

MFMO vs. GSG - Drawdown Comparison

The maximum MFMO drawdown since its inception was -12.05%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for MFMO and GSG.

Drawdown Indicators

	MFMO	GSG	Difference
Max Drawdown Largest peak-to-trough decline	-12.05%	-89.62%	+77.57%
Max Drawdown (1Y) Largest decline over 1 year	—	-9.46%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-14.94%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-29.12%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-57.64%	—
Current Drawdown Current decline from peak	0.00%	-56.95%	+56.95%
Average Drawdown Average peak-to-trough decline	-2.42%	-63.71%	+61.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.59%	—

Volatility

Volatility by Period

	MFMO	GSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	7.65%	—
Volatility (6M) Calculated over the trailing 6-month period	—	20.42%	—
Volatility (1Y) Calculated over the trailing 1-year period	24.50%	22.95%	+1.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.50%	22.61%	+1.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.50%	22.03%	+2.47%

MFMO vs. GSG - Expense Ratio Comparison

MFMO has a 0.50% expense ratio, which is lower than GSG's 0.75% expense ratio.

Dividends

MFMO vs. GSG - Dividend Comparison

Neither MFMO nor GSG has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both MFMO and GSG in my portfolio?

MFMO and GSG have a correlation of -0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MFMO or GSG?

On fees, MFMO is cheaper at 0.50% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MFMO or GSG?

MFMO is cheaper with a 0.50% expense ratio, compared with 0.75% for GSG.

Which ETF pays a higher dividend yield, MFMO or GSG?

MFMO and GSG have nearly identical dividend yields, around 0.00%.

What is the main difference between MFMO and GSG?

MFMO is categorized as Momentum, while GSG is Commodities. They also come from different issuers: Motley Fool and iShares. Their fees differ too: 0.50% for MFMO and 0.75% for GSG.