MYCK vs. CMDY
MYCK (State Street My2031 Corporate Bond ETF) and CMDY (iShares Bloomberg Roll Select Commodity Strategy ETF) are both exchange-traded funds - MYCK is a Corporate Bonds fund actively managed by State Street, while CMDY is a Commodities fund tracking the Bloomberg Roll Select Commodity Total Return Index. MYCK is actively managed, while CMDY is passively managed. Over the past year, MYCK returned 4.30% vs 24.63% for CMDY. At a correlation of -0.11, they often move in opposite directions. MYCK charges 0.15%/yr vs 0.28%/yr for CMDY.
Performance
MYCK vs. CMDY - Performance Comparison
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Returns By Period
In the year-to-date period, MYCK achieves a 0.33% return, which is significantly lower than CMDY's 16.78% return.
MYCK
- 1D
- -0.12%
- 1M
- -0.14%
- 6M
- 0.29%
- YTD
- 0.33%
- 1Y
- 4.30%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CMDY
- 1D
- -0.07%
- 1M
- -1.66%
- 6M
- 14.34%
- YTD
- 16.78%
- 1Y
- 24.63%
- 3Y*
- 11.79%
- 5Y*
- 9.43%
- 10Y*
- —
MYCK vs. CMDY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
MYCK State Street My2031 Corporate Bond ETF | 0.33% | 8.87% | -2.49% |
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 16.78% | 15.81% | 0.83% |
Correlation
The correlation between MYCK and CMDY is -0.21, 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 | -0.21 |
Correlation (All Time) Calculated using the full available price history since Sep 24, 2024 | -0.11 |
The correlation between MYCK and CMDY shifts across timeframes, from -0.21 (1 year) to -0.11 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
MYCK vs. CMDY — Risk / Return Rank
MYCK
CMDY
MYCK vs. CMDY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street My2031 Corporate Bond ETF (MYCK) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY). 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.
| MYCK | CMDY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.30 | ||
| Sortino ratioReturn per unit of downside risk | -0.18 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.28 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.78 | 1.81 | -0.03 |
| Martin ratioReturn relative to average drawdown | 5.46 | 6.24 | -0.78 |
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Drawdowns
MYCK vs. CMDY - Drawdown Comparison
The maximum MYCK drawdown since its inception was -3.69%, smaller than the maximum CMDY drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for MYCK and CMDY.
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Drawdown Indicators
| MYCK | CMDY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.69% | -31.19% | +27.50% |
Max Drawdown (1Y)Largest decline over 1 year | -2.34% | -14.23% | +11.89% |
Max Drawdown (3Y)Largest decline over 3 years | — | -14.23% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -26.56% | — |
Current DrawdownCurrent decline from peak | -1.12% | -10.60% | +9.48% |
Average DrawdownAverage peak-to-trough decline | -0.85% | -13.11% | +12.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.76% | 4.11% | -3.35% |
Volatility
MYCK vs. CMDY - Volatility Comparison
The current volatility for State Street My2031 Corporate Bond ETF (MYCK) is 1.03%, while iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) has a volatility of 4.20%. This indicates that MYCK experiences smaller price fluctuations and is considered to be less risky than CMDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MYCK | CMDY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.03% | 4.20% | -3.17% |
Volatility (6M)Calculated over the trailing 6-month period | 2.53% | 14.35% | -11.82% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.30% | 16.45% | -13.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.22% | 15.80% | -11.58% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.22% | 14.65% | -10.43% |
MYCK vs. CMDY - Expense Ratio Comparison
MYCK has a 0.15% expense ratio, which is lower than CMDY's 0.28% expense ratio.
Dividends
MYCK vs. CMDY - Dividend Comparison
MYCK's dividend yield for the trailing twelve months is around 4.56%, less than CMDY's 11.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 11.04% | 12.89% | 4.23% | 5.10% | 3.98% | 16.09% | 0.15% | 2.21% | 1.73% |
MYCK State Street My2031 Corporate Bond ETF | 4.56% | 4.55% | 1.25% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MYCK and CMDY have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CMDY has higher volatility (4.20%) compared to MYCK (1.03%). In terms of maximum drawdown, MYCK dropped -3.69% vs CMDY's -31.19%.
On 1-year performance, CMDY leads with 24.63% vs 4.30% for MYCK. On fees, MYCK is cheaper at 0.15% per year. On volatility, MYCK has been the lower-risk option at 1.03%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, CMDY has performed better with a 24.63% return vs 4.30%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MYCK is cheaper with a 0.15% expense ratio, compared with 0.28% for CMDY.
CMDY has the higher dividend yield at 11.04%, compared with 4.56% for MYCK.
MYCK is categorized as Corporate Bonds, while CMDY is Commodities. They also come from different issuers: State Street and iShares. Their fees differ too: 0.15% for MYCK and 0.28% for CMDY.
CMDY currently has the higher Sharpe Ratio (1.56 vs 1.26), 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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