COMT vs. GSG

Last updated Apr 1, 2026

Compare and contrast key facts about iShares Commodities Select Strategy ETF (COMT) and iShares S&P GSCI Commodity-Indexed Trust (GSG).

COMT and GSG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. COMT is an actively managed fund by iShares. It was launched on Oct 15, 2014. GSG is a passively managed fund by iShares that tracks the performance of the S&P GSCI Total Return Index. It was launched on Jul 21, 2006.

Performance

COMT vs. GSG - Performance Comparison

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

COMT vs. GSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COMT iShares Commodities Select Strategy ETF	35.81%	6.07%	5.96%	-6.56%	19.45%	36.88%	-18.66%	10.81%	-6.67%	11.70%
GSG iShares S&P GSCI Commodity-Indexed Trust	39.85%	5.93%	8.52%	-5.51%	24.08%	38.77%	-23.94%	15.62%	-13.88%	3.89%

Returns By Period

In the year-to-date period, COMT achieves a 35.81% return, which is significantly lower than GSG's 39.85% return. Over the past 10 years, COMT has outperformed GSG with an annualized return of 10.23%, while GSG has yielded a comparatively lower 9.09% annualized return.

COMT

• 1D: -1.46%
• 1M: 20.45%
• YTD: 35.81%
• 6M: 35.80%
• 1Y: 37.75%
• 3Y*: 14.15%
• 5Y*: 15.41%
• 10Y*: 10.23%

GSG

• 1D: -1.01%
• 1M: 24.23%
• YTD: 39.85%
• 6M: 40.40%
• 1Y: 41.63%
• 3Y*: 17.03%
• 5Y*: 17.93%
• 10Y*: 9.09%

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

COMT vs. GSG - Expense Ratio Comparison

COMT has a 0.48% expense ratio, which is lower than GSG's 0.75% expense ratio.

GSG

iShares S&P GSCI Commodity-Indexed Trust

COMT

iShares Commodities Select Strategy ETF

Return for Risk

COMT vs. GSG — Risk / Return Rank

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

COMT

COMT Risk / Return Rank: 89
COMT Sharpe Ratio Rank: 90
COMT Sortino Ratio Rank: 91
COMT Omega Ratio Rank: 88
COMT Calmar Ratio Rank: 93
COMT Martin Ratio Rank: 86

GSG

GSG Risk / Return Rank: 91
GSG Sharpe Ratio Rank: 91
GSG Sortino Ratio Rank: 92
GSG Omega Ratio Rank: 89
GSG Calmar Ratio Rank: 94
GSG Martin Ratio Rank: 88

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.

COMT vs. GSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Commodities Select Strategy ETF (COMT) 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.

	COMT	GSG	Difference
Sharpe ratio Return per unit of total volatility	1.91	1.98	-0.07
Sortino ratio Return per unit of downside risk	2.55	2.66	-0.12
Omega ratio Gain probability vs. loss probability	1.35	1.36	-0.01
Calmar ratio Return relative to maximum drawdown	3.35	3.70	-0.34
Martin ratio Return relative to average drawdown	9.53	10.32	-0.79
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COMT vs. GSG - Sharpe Ratio Comparison

The current COMT Sharpe Ratio is 1.91, which is comparable to the GSG Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of COMT and GSG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	COMT	GSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.91	1.98	-0.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.82	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	0.42	+0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.20	-0.09	+0.29

Correlation

The correlation between COMT and GSG is 0.93, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

COMT vs. GSG - Dividend Comparison

COMT's dividend yield for the trailing twelve months is around 5.70%, while GSG has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COMT iShares Commodities Select Strategy ETF	5.70%	7.74%	4.90%	5.19%	29.79%	17.79%	0.36%	2.61%	11.65%	5.16%	0.52%	1.44%
GSG iShares S&P GSCI Commodity-Indexed Trust	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

COMT vs. GSG - Drawdown Comparison

The maximum COMT drawdown since its inception was -51.89%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for COMT and GSG.

Drawdown Indicators

	COMT	GSG	Difference
Max Drawdown Largest peak-to-trough decline	-51.89%	-89.62%	+37.73%
Max Drawdown (1Y) Largest decline over 1 year	-11.84%	-11.91%	+0.07%
Max Drawdown (5Y) Largest decline over 5 years	-29.00%	-29.12%	+0.12%
Max Drawdown (10Y) Largest decline over 10 years	-39.22%	-57.64%	+18.42%
Current Drawdown Current decline from peak	-1.46%	-57.78%	+56.32%
Average Drawdown Average peak-to-trough decline	-24.39%	-63.77%	+39.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.16%	4.27%	-0.11%

Volatility

COMT vs. GSG - Volatility Comparison

The current volatility for iShares Commodities Select Strategy ETF (COMT) is 10.12%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 11.08%. This indicates that COMT experiences smaller price fluctuations and is considered to be less risky than GSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COMT	GSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.12%	11.08%	-0.96%
Volatility (6M) Calculated over the trailing 6-month period	15.20%	16.24%	-1.04%
Volatility (1Y) Calculated over the trailing 1-year period	19.85%	21.16%	-1.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.53%	21.97%	-1.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.68%	21.78%	-3.10%