COMT vs. NBCM
COMT (iShares GSCI Commodity Dynamic Roll Strategy ETF) and NBCM (Neuberger Berman Commodity Strategy ETF) are both Commodities funds. COMT is passively managed, while NBCM is actively managed. Over the past 3 years, COMT returned 11.57%/yr vs 14.74%/yr for NBCM. Their correlation of 0.87 suggests significant overlap in exposure. COMT charges 0.48%/yr vs 0.66%/yr for NBCM.
Performance
COMT vs. NBCM - Performance Comparison
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Returns By Period
In the year-to-date period, COMT achieves a 26.00% return, which is significantly higher than NBCM's 21.59% 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%
NBCM
- 1D
- -0.29%
- 1M
- -1.75%
- 6M
- 18.42%
- YTD
- 21.59%
- 1Y
- 31.14%
- 3Y*
- 14.74%
- 5Y*
- —
- 10Y*
- —
COMT vs. NBCM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
COMT iShares GSCI Commodity Dynamic Roll Strategy ETF | 26.00% | 6.07% | 5.96% | -6.56% | -1.58% |
NBCM Neuberger Berman Commodity Strategy ETF | 21.59% | 17.45% | 6.55% | -6.41% | 5.39% |
Correlation
The correlation between COMT and NBCM is 0.86, 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 | 0.86 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.85 |
Correlation (All Time) Calculated using the full available price history since Oct 24, 2022 | 0.87 |
The correlation between COMT and NBCM has been stable across timeframes, ranging from 0.85 to 0.87 - a consistent structural relationship.
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Return for Risk
COMT vs. NBCM — Risk / Return Rank
COMT
NBCM
COMT vs. NBCM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) and Neuberger Berman Commodity Strategy ETF (NBCM). 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 | NBCM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.46 | ||
| Sortino ratioReturn per unit of downside risk | -0.46 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.32 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.66 | 2.20 | -0.54 |
| Martin ratioReturn relative to average drawdown | 5.78 | 7.47 | -1.68 |
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Drawdowns
COMT vs. NBCM - Drawdown Comparison
The maximum COMT drawdown since its inception was -51.89%, which is greater than NBCM's maximum drawdown of -14.78%. Use the drawdown chart below to compare losses from any high point for COMT and NBCM.
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Drawdown Indicators
| COMT | NBCM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.89% | -14.78% | -37.11% |
Max Drawdown (1Y)Largest decline over 1 year | -17.57% | -14.78% | -2.79% |
Max Drawdown (3Y)Largest decline over 3 years | -17.57% | -14.78% | -2.79% |
Max Drawdown (5Y)Largest decline over 5 years | -29.00% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -39.22% | — | — |
Current DrawdownCurrent decline from peak | -14.13% | -10.56% | -3.57% |
Average DrawdownAverage peak-to-trough decline | -23.97% | -4.35% | -19.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.05% | 4.35% | +0.70% |
Volatility
COMT vs. NBCM - Volatility Comparison
iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) has a higher volatility of 5.68% compared to Neuberger Berman Commodity Strategy ETF (NBCM) at 4.62%. This indicates that COMT's price experiences larger fluctuations and is considered to be riskier than NBCM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COMT | NBCM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.68% | 4.62% | +1.06% |
Volatility (6M)Calculated over the trailing 6-month period | 19.60% | 15.35% | +4.25% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.45% | 17.89% | +3.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.17% | 14.99% | +6.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.84% | 14.99% | +3.85% |
COMT vs. NBCM - Expense Ratio Comparison
COMT has a 0.48% expense ratio, which is lower than NBCM's 0.66% expense ratio.
Dividends
COMT vs. NBCM - Dividend Comparison
COMT's dividend yield for the trailing twelve months is around 6.14%, less than NBCM's 6.95% yield.
| 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% |
NBCM Neuberger Berman Commodity Strategy ETF | 6.95% | 8.46% | 5.22% | 4.37% | 0.80% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
COMT and NBCM have a correlation of 0.86, 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 NBCM (4.62%). In terms of maximum drawdown, COMT dropped -51.89% vs NBCM's -14.78%.
On 3-year performance, NBCM leads with 14.74% vs 11.57% for COMT. On fees, COMT is cheaper at 0.48% per year. On volatility, NBCM has been the lower-risk option at 4.62%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, NBCM has performed better with a 14.74% return vs 11.57%. 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 0.66% for NBCM.
NBCM has the higher dividend yield at 6.95%, compared with 6.14% for COMT.
They also come from different issuers: iShares and Neuberger Berman. Their fees differ too: 0.48% for COMT and 0.66% for NBCM.
NBCM currently has the higher Sharpe Ratio (1.82 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.
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