COMT vs. USCI
COMT (iShares GSCI Commodity Dynamic Roll Strategy ETF) and USCI (United States Commodity Index Fund) are both Commodities funds - COMT tracks the S&P GSCI Dynamic Roll (USD) Total Return Index while USCI tracks the SummerHaven Dynamic Commodity Index Total Return. Both are passively managed. Over the past 10 years, COMT returned 7.87%/yr vs 8.41%/yr for USCI. A 0.77 correlation means they provide meaningful diversification when combined. COMT charges 0.48%/yr vs 1.03%/yr for USCI.
Performance
COMT vs. USCI - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, COMT achieves a 26.00% return, which is significantly higher than USCI's 23.68% return. Over the past 10 years, COMT has underperformed USCI with an annualized return of 7.87%, while USCI has yielded a comparatively higher 8.41% annualized return.
COMT
- 1D
- -0.17%
- 1M
- -4.70%
- 6M
- 23.49%
- YTD
- 26.00%
- 1Y
- 27.75%
- 3Y*
- 11.57%
- 5Y*
- 11.09%
- 10Y*
- 7.87%
USCI
- 1D
- -0.50%
- 1M
- -0.05%
- 6M
- 22.70%
- YTD
- 23.68%
- 1Y
- 28.10%
- 3Y*
- 20.39%
- 5Y*
- 19.25%
- 10Y*
- 8.41%
COMT vs. USCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 26.00% | 6.07% | 5.96% | -6.56% | 19.45% | 36.88% | -18.66% | 10.81% | -6.67% | 11.70% |
USCI United States Commodity Index Fund | 23.68% | 17.63% | 17.24% | -0.00% | 29.47% | 33.07% | -11.47% | -1.68% | -11.76% | 6.32% |
Correlation
The correlation between COMT and USCI is 0.89, 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 | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.85 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.86 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.79 |
Correlation (All Time) Calculated using the full available price history since Oct 16, 2014 | 0.77 |
The correlation between COMT and USCI shifts across timeframes, from 0.77 (all time) to 0.89 (1 year), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
COMT vs. USCI — Risk / Return Rank
COMT
USCI
COMT vs. USCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) and United States Commodity Index Fund (USCI). 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.
| COMT | USCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.40 | ||
| Sortino ratioReturn per unit of downside risk | -0.48 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.30 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.66 | 2.67 | -1.01 |
| Martin ratioReturn relative to average drawdown | 5.78 | 8.50 | -2.71 |
Loading charts...
Drawdowns
COMT vs. USCI - Drawdown Comparison
The maximum COMT drawdown since its inception was -51.89%, smaller than the maximum USCI drawdown of -66.41%. Use the drawdown chart below to compare losses from any high point for COMT and USCI.
Loading charts...
Drawdown Indicators
| COMT | USCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.89% | -66.41% | +14.52% |
Max Drawdown (1Y)Largest decline over 1 year | -17.57% | -11.19% | -6.38% |
Max Drawdown (3Y)Largest decline over 3 years | -17.57% | -12.01% | -5.56% |
Max Drawdown (5Y)Largest decline over 5 years | -29.00% | -18.84% | -10.16% |
Max Drawdown (10Y)Largest decline over 10 years | -39.22% | -45.82% | +6.60% |
Current DrawdownCurrent decline from peak | -14.13% | -6.52% | -7.61% |
Average DrawdownAverage peak-to-trough decline | -23.97% | -29.37% | +5.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.05% | 3.51% | +1.54% |
Volatility
COMT vs. USCI - Volatility Comparison
iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) has a higher volatility of 5.68% compared to United States Commodity Index Fund (USCI) at 4.94%. This indicates that COMT's price experiences larger fluctuations and is considered to be riskier than USCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| COMT | USCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.68% | 4.94% | +0.74% |
Volatility (6M)Calculated over the trailing 6-month period | 19.60% | 14.42% | +5.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.45% | 16.91% | +4.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.17% | 18.40% | +2.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.84% | 15.88% | +2.96% |
COMT vs. USCI - Expense Ratio Comparison
COMT has a 0.48% expense ratio, which is lower than USCI's 1.03% expense ratio.
Dividends
COMT vs. USCI - Dividend Comparison
COMT's dividend yield for the trailing twelve months is around 6.14%, while USCI has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 6.14% | 7.74% | 4.90% | 5.19% | 29.79% | 17.79% | 0.36% | 2.61% | 11.65% | 5.16% | 0.52% | 1.44% |
USCI United States Commodity Index Fund | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
COMT and USCI have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COMT has higher volatility (5.68%) compared to USCI (4.94%). In terms of maximum drawdown, COMT dropped -51.89% vs USCI's -66.41%.
On 10-year performance, USCI leads with 8.41% vs 7.87% for COMT. On fees, COMT is cheaper at 0.48% per year. On volatility, USCI has been the lower-risk option at 4.94%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, USCI has performed better with a 8.41% return vs 7.87%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
COMT is cheaper with a 0.48% expense ratio, compared with 1.03% for USCI.
COMT has the higher dividend yield at 6.14%, compared with 0.00% for USCI.
COMT tracks S&P GSCI Dynamic Roll (USD) Total Return Index, while USCI tracks SummerHaven Dynamic Commodity Index Total Return. They also come from different issuers: iShares and United States Commodity Funds. Their fees differ too: 0.48% for COMT and 1.03% for USCI.
USCI currently has the higher Sharpe Ratio (1.77 vs 1.36), 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.
Find the right allocation for COMT and USCI
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer