COMT vs. IWM
COMT (iShares GSCI Commodity Dynamic Roll Strategy ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - COMT is a Commodities fund tracking the S&P GSCI Dynamic Roll (USD) Total Return Index, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. Over the past 10 years, COMT returned 7.70%/yr vs 11.63%/yr for IWM. At a 0.30 correlation, their price movements are largely independent. COMT charges 0.48%/yr vs 0.19%/yr for IWM.
Performance
COMT vs. IWM - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with COMT having a 20.95% return and IWM slightly higher at 21.03%. Over the past 10 years, COMT has underperformed IWM with an annualized return of 7.70%, while IWM has yielded a comparatively higher 11.63% annualized return.
COMT
- 1D
- -2.37%
- 1M
- -14.00%
- YTD
- 20.95%
- 6M
- 19.91%
- 1Y
- 25.37%
- 3Y*
- 11.11%
- 5Y*
- 10.23%
- 10Y*
- 7.70%
IWM
- 1D
- 0.46%
- 1M
- 4.31%
- YTD
- 21.03%
- 6M
- 17.89%
- 1Y
- 39.77%
- 3Y*
- 19.40%
- 5Y*
- 6.33%
- 10Y*
- 11.63%
COMT vs. IWM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 20.95% | 6.07% | 5.96% | -6.56% | 19.45% | 36.88% | -18.66% | 10.81% | -6.67% | 11.70% |
IWM iShares Russell 2000 ETF | 21.03% | 12.66% | 11.38% | 16.83% | -20.48% | 14.54% | 20.03% | 25.39% | -11.12% | 14.58% |
Correlation
The correlation between COMT and IWM is -0.16, 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 (1Y) Calculated over the trailing 1-year period | -0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.03 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.27 |
Correlation (All Time) Calculated using the full available price history since Oct 16, 2014 | 0.30 |
The correlation between COMT and IWM shifts across timeframes, from -0.16 (1 year) to 0.30 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
COMT vs. IWM — Risk / Return Rank
COMT
IWM
COMT vs. IWM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) and iShares Russell 2000 ETF (IWM). 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 | IWM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.82 | ||
| Sortino ratioReturn per unit of downside risk | -1.08 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.33 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 1.45 | 3.62 | -2.17 |
| Martin ratioReturn relative to average drawdown | 6.71 | 12.82 | -6.11 |
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Drawdowns
COMT vs. IWM - Drawdown Comparison
The maximum COMT drawdown since its inception was -51.89%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for COMT and IWM.
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Drawdown Indicators
| COMT | IWM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.89% | -59.05% | +7.16% |
Max Drawdown (1Y)Largest decline over 1 year | -17.57% | -11.03% | -6.54% |
Max Drawdown (3Y)Largest decline over 3 years | -17.57% | -27.50% | +9.93% |
Max Drawdown (5Y)Largest decline over 5 years | -29.00% | -31.91% | +2.91% |
Max Drawdown (10Y)Largest decline over 10 years | -39.22% | -41.13% | +1.91% |
Current DrawdownCurrent decline from peak | -17.57% | -0.50% | -17.07% |
Average DrawdownAverage peak-to-trough decline | -24.00% | -10.74% | -13.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.79% | 3.11% | +0.68% |
Volatility
COMT vs. IWM - Volatility Comparison
The current volatility for iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) is 5.32%, while iShares Russell 2000 ETF (IWM) has a volatility of 6.52%. This indicates that COMT experiences smaller price fluctuations and is considered to be less risky than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COMT | IWM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.32% | 6.52% | -1.20% |
Volatility (6M)Calculated over the trailing 6-month period | 19.40% | 14.30% | +5.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.28% | 19.71% | +1.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.15% | 22.60% | -1.45% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.87% | 23.06% | -4.19% |
COMT vs. IWM - Expense Ratio Comparison
COMT has a 0.48% expense ratio, which is higher than IWM's 0.19% expense ratio.
Dividends
COMT vs. IWM - Dividend Comparison
COMT's dividend yield for the trailing twelve months is around 6.40%, more than IWM's 0.90% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 6.40% | 7.74% | 4.90% | 5.19% | 29.79% | 17.79% | 0.36% | 2.61% | 11.65% | 5.16% | 0.52% | 1.44% |
IWM iShares Russell 2000 ETF | 0.90% | 1.04% | 1.15% | 1.35% | 1.48% | 0.94% | 1.04% | 1.26% | 1.40% | 1.26% | 1.38% | 1.54% |
Frequently Asked Questions
COMT and IWM have a correlation of -0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWM has higher volatility (6.52%) compared to COMT (5.32%). In terms of maximum drawdown, COMT dropped -51.89% vs IWM's -59.05%.
On 10-year performance, IWM leads with 11.63% vs 7.70% for COMT. On fees, IWM is cheaper at 0.19% per year. On volatility, COMT has been the lower-risk option at 5.32%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IWM has performed better with a 11.63% return vs 7.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IWM is cheaper with a 0.19% expense ratio, compared with 0.48% for COMT.
COMT has the higher dividend yield at 6.40%, compared with 0.90% for IWM.
COMT is categorized as Commodities, while IWM is Small Cap Blend Equities. COMT tracks S&P GSCI Dynamic Roll (USD) Total Return Index, while IWM tracks Russell 2000 Index. Their fees differ too: 0.48% for COMT and 0.19% for IWM.
IWM currently has the higher Sharpe Ratio (2.03 vs 1.21), 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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