USCI vs. COMT
USCI (United States Commodity Index Fund) and COMT (iShares GSCI Commodity Dynamic Roll Strategy ETF) are both Commodities funds - USCI tracks the SummerHaven Dynamic Commodity (TR) while COMT tracks the S&P GSCI Dynamic Roll (USD) Total Return Index. Both are passively managed. Over the past 10 years, USCI returned 8.18%/yr vs 7.96%/yr for COMT. A 0.77 correlation means they provide meaningful diversification when combined. USCI charges 1.03%/yr vs 0.48%/yr for COMT.
Performance
USCI vs. COMT - Performance Comparison
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Returns By Period
In the year-to-date period, USCI achieves a 19.17% return, which is significantly lower than COMT's 23.88% return. Both investments have delivered pretty close results over the past 10 years, with USCI having a 8.18% annualized return and COMT not far behind at 7.96%.
USCI
- 1D
- -0.23%
- 1M
- -7.10%
- YTD
- 19.17%
- 6M
- 17.13%
- 1Y
- 24.71%
- 3Y*
- 19.66%
- 5Y*
- 18.39%
- 10Y*
- 8.18%
COMT
- 1D
- -0.93%
- 1M
- -11.91%
- YTD
- 23.88%
- 6M
- 22.75%
- 1Y
- 25.27%
- 3Y*
- 12.01%
- 5Y*
- 10.76%
- 10Y*
- 7.96%
USCI vs. COMT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
USCI United States Commodity Index Fund | 19.17% | 17.63% | 17.24% | -0.00% | 29.47% | 33.07% | -11.47% | -1.68% | -11.76% | 6.32% |
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 23.88% | 6.07% | 5.96% | -6.56% | 19.45% | 36.88% | -18.66% | 10.81% | -6.67% | 11.70% |
Correlation
The correlation between USCI and COMT 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 USCI and COMT shifts across timeframes, from 0.77 (all time) to 0.89 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
USCI vs. COMT — Risk / Return Rank
USCI
COMT
USCI vs. COMT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for United States Commodity Index Fund (USCI) and iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT). 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.
| USCI | COMT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.29 | ||
| Sortino ratioReturn per unit of downside risk | +0.33 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.22 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 2.50 | 1.63 | +0.87 |
| Martin ratioReturn relative to average drawdown | 8.53 | 6.99 | +1.54 |
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Drawdowns
USCI vs. COMT - Drawdown Comparison
The maximum USCI drawdown since its inception was -66.41%, which is greater than COMT's maximum drawdown of -51.89%. Use the drawdown chart below to compare losses from any high point for USCI and COMT.
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Drawdown Indicators
| USCI | COMT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -66.41% | -51.89% | -14.52% |
Max Drawdown (1Y)Largest decline over 1 year | -9.94% | -15.58% | +5.64% |
Max Drawdown (3Y)Largest decline over 3 years | -12.01% | -15.58% | +3.57% |
Max Drawdown (5Y)Largest decline over 5 years | -18.84% | -29.00% | +10.16% |
Max Drawdown (10Y)Largest decline over 10 years | -45.82% | -39.22% | -6.60% |
Current DrawdownCurrent decline from peak | -9.94% | -15.58% | +5.64% |
Average DrawdownAverage peak-to-trough decline | -29.43% | -24.00% | -5.43% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.91% | 3.65% | -0.74% |
Volatility
USCI vs. COMT - Volatility Comparison
The current volatility for United States Commodity Index Fund (USCI) is 3.15%, while iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) has a volatility of 5.02%. This indicates that USCI experiences smaller price fluctuations and is considered to be less risky than COMT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| USCI | COMT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.15% | 5.02% | -1.87% |
Volatility (6M)Calculated over the trailing 6-month period | 14.03% | 19.24% | -5.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.73% | 21.45% | -4.72% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.35% | 21.13% | -2.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.85% | 18.86% | -3.01% |
USCI vs. COMT - Expense Ratio Comparison
USCI has a 1.03% expense ratio, which is higher than COMT's 0.48% expense ratio.
Dividends
USCI vs. COMT - Dividend Comparison
USCI has not paid dividends to shareholders, while COMT's dividend yield for the trailing twelve months is around 6.25%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 6.25% | 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
USCI and COMT 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 (5.02%) compared to USCI (3.15%). In terms of maximum drawdown, USCI dropped -66.41% vs COMT's -51.89%.
On 10-year performance, USCI leads with 8.18% vs 7.96% for COMT. On fees, COMT is cheaper at 0.48% per year. On volatility, USCI has been the lower-risk option at 3.15%. 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 8.18% return vs 7.96%. 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 6.25%, compared with 0.00% for USCI.
USCI tracks SummerHaven Dynamic Commodity (TR), while COMT tracks S&P GSCI Dynamic Roll (USD) Total Return Index. They also come from different issuers: Concierge Technologies and iShares. Their fees differ too: 1.03% for USCI and 0.48% for COMT.
USCI currently has the higher Sharpe Ratio (1.50 vs 1.20), 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.
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