COMT vs. BYLD
COMT (iShares GSCI Commodity Dynamic Roll Strategy ETF) and BYLD (iShares Yield Optimized Bond ETF) are both exchange-traded funds - COMT is a Commodities fund tracking the S&P GSCI Dynamic Roll (USD) Total Return Index, while BYLD is a Intermediate Core-Plus Bond fund tracking the Morningstar U.S. Bond Market Yield-Optimized Index. Both are passively managed. Over the past 10 years, COMT returned 7.70%/yr vs 3.00%/yr for BYLD. At a 0.03 correlation, their price movements are largely independent. COMT charges 0.48%/yr vs 0.17%/yr for BYLD.
Performance
COMT vs. BYLD - Performance Comparison
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Returns By Period
In the year-to-date period, COMT achieves a 20.95% return, which is significantly higher than BYLD's 1.77% return. Over the past 10 years, COMT has outperformed BYLD with an annualized return of 7.70%, while BYLD has yielded a comparatively lower 3.00% 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%
BYLD
- 1D
- 0.27%
- 1M
- 1.15%
- YTD
- 1.77%
- 6M
- 1.66%
- 1Y
- 6.26%
- 3Y*
- 6.63%
- 5Y*
- 2.30%
- 10Y*
- 3.00%
COMT vs. BYLD - 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% |
BYLD iShares Yield Optimized Bond ETF | 1.77% | 8.41% | 4.17% | 8.30% | -10.33% | -1.25% | 4.25% | 12.79% | -1.50% | 4.75% |
Correlation
The correlation between COMT and BYLD is -0.39, 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 | -0.39 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.06 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.01 |
Correlation (All Time) Calculated using the full available price history since Oct 16, 2014 | 0.03 |
The correlation between COMT and BYLD shifts across timeframes, from -0.39 (1 year) to 0.03 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
COMT vs. BYLD — Risk / Return Rank
COMT
BYLD
COMT vs. BYLD - 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 Yield Optimized Bond ETF (BYLD). 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 | BYLD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.43 | ||
| Sortino ratioReturn per unit of downside risk | -0.72 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.31 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.45 | 2.32 | -0.87 |
| Martin ratioReturn relative to average drawdown | 6.71 | 9.36 | -2.65 |
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Drawdowns
COMT vs. BYLD - Drawdown Comparison
The maximum COMT drawdown since its inception was -51.89%, which is greater than BYLD's maximum drawdown of -14.75%. Use the drawdown chart below to compare losses from any high point for COMT and BYLD.
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Drawdown Indicators
| COMT | BYLD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.89% | -14.75% | -37.14% |
Max Drawdown (1Y)Largest decline over 1 year | -17.57% | -2.71% | -14.86% |
Max Drawdown (3Y)Largest decline over 3 years | -17.57% | -3.94% | -13.63% |
Max Drawdown (5Y)Largest decline over 5 years | -29.00% | -14.65% | -14.35% |
Max Drawdown (10Y)Largest decline over 10 years | -39.22% | -14.75% | -24.47% |
Current DrawdownCurrent decline from peak | -17.57% | 0.00% | -17.57% |
Average DrawdownAverage peak-to-trough decline | -24.00% | -2.50% | -21.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.79% | 0.67% | +3.12% |
Volatility
COMT vs. BYLD - Volatility Comparison
iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) has a higher volatility of 5.32% compared to iShares Yield Optimized Bond ETF (BYLD) at 1.15%. This indicates that COMT's price experiences larger fluctuations and is considered to be riskier than BYLD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COMT | BYLD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.32% | 1.15% | +4.17% |
Volatility (6M)Calculated over the trailing 6-month period | 19.40% | 3.07% | +16.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.28% | 3.85% | +17.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.15% | 5.21% | +15.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.87% | 5.43% | +13.44% |
COMT vs. BYLD - Expense Ratio Comparison
COMT has a 0.48% expense ratio, which is higher than BYLD's 0.17% expense ratio.
Dividends
COMT vs. BYLD - Dividend Comparison
COMT's dividend yield for the trailing twelve months is around 6.40%, more than BYLD's 5.33% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BYLD iShares Yield Optimized Bond ETF | 5.33% | 5.32% | 5.31% | 4.45% | 3.39% | 2.18% | 3.41% | 3.67% | 4.22% | 3.22% | 3.14% | 3.37% |
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% |
Frequently Asked Questions
COMT and BYLD have a correlation of -0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COMT has higher volatility (5.32%) compared to BYLD (1.15%). In terms of maximum drawdown, COMT dropped -51.89% vs BYLD's -14.75%.
On 10-year performance, COMT leads with 7.70% vs 3.00% for BYLD. On fees, BYLD is cheaper at 0.17% per year. On volatility, BYLD has been the lower-risk option at 1.15%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, COMT has performed better with a 7.70% return vs 3.00%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BYLD is cheaper with a 0.17% expense ratio, compared with 0.48% for COMT.
COMT has the higher dividend yield at 6.40%, compared with 5.33% for BYLD.
COMT is categorized as Commodities, while BYLD is Intermediate Core-Plus Bond. COMT tracks S&P GSCI Dynamic Roll (USD) Total Return Index, while BYLD tracks Morningstar U.S. Bond Market Yield-Optimized Index. Their fees differ too: 0.48% for COMT and 0.17% for BYLD.
BYLD currently has the higher Sharpe Ratio (1.64 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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