MEDI vs. CMDY
MEDI (Harbor Health Care ETF) and CMDY (iShares Bloomberg Roll Select Commodity Strategy ETF) are both exchange-traded funds - MEDI is a Health & Biotech Equities fund actively managed by Harbor, while CMDY is a Commodities fund tracking the Bloomberg Roll Select Commodity Total Return Index. MEDI is actively managed, while CMDY is passively managed. Over the past 3 years, MEDI returned 15.87%/yr vs 11.74%/yr for CMDY. At a 0.04 correlation, their price movements are largely independent. MEDI charges 0.80%/yr vs 0.28%/yr for CMDY.
Performance
MEDI vs. CMDY - Performance Comparison
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Returns By Period
In the year-to-date period, MEDI achieves a 7.43% return, which is significantly lower than CMDY's 18.46% return.
MEDI
- 1D
- -0.91%
- 1M
- 8.86%
- 6M
- 6.22%
- YTD
- 7.43%
- 1Y
- 25.14%
- 3Y*
- 15.87%
- 5Y*
- —
- 10Y*
- —
CMDY
- 1D
- 1.44%
- 1M
- -0.24%
- 6M
- 13.95%
- YTD
- 18.46%
- 1Y
- 26.42%
- 3Y*
- 11.74%
- 5Y*
- 9.47%
- 10Y*
- —
MEDI vs. CMDY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
MEDI Harbor Health Care ETF | 7.43% | 27.11% | 0.58% | 24.87% | 2.57% |
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 18.46% | 15.81% | 5.43% | -9.33% | -2.16% |
Correlation
The correlation between MEDI and CMDY 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 | -0.02 |
Correlation (All Time) Calculated using the full available price history since Nov 17, 2022 | 0.04 |
The correlation between MEDI and CMDY shifts across timeframes, from -0.16 (1 year) to 0.04 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
MEDI vs. CMDY — Risk / Return Rank
MEDI
CMDY
MEDI vs. CMDY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Harbor Health Care ETF (MEDI) 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.
| MEDI | CMDY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.37 | ||
| Sortino ratioReturn per unit of downside risk | -0.25 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.29 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.65 | 1.87 | -0.22 |
| Martin ratioReturn relative to average drawdown | 4.80 | 6.38 | -1.58 |
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Drawdowns
MEDI vs. CMDY - Drawdown Comparison
The maximum MEDI drawdown since its inception was -19.24%, smaller than the maximum CMDY drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for MEDI and CMDY.
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Drawdown Indicators
| MEDI | CMDY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.24% | -31.19% | +11.95% |
Max Drawdown (1Y)Largest decline over 1 year | -15.34% | -14.23% | -1.11% |
Max Drawdown (3Y)Largest decline over 3 years | -19.24% | -14.23% | -5.01% |
Max Drawdown (5Y)Largest decline over 5 years | — | -26.56% | — |
Current DrawdownCurrent decline from peak | -3.13% | -9.31% | +6.18% |
Average DrawdownAverage peak-to-trough decline | -4.25% | -13.10% | +8.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.25% | 4.15% | +1.10% |
Volatility
MEDI vs. CMDY - Volatility Comparison
Harbor Health Care ETF (MEDI) has a higher volatility of 5.67% compared to iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) at 4.48%. This indicates that MEDI's price experiences larger fluctuations and is considered to be riskier 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
| MEDI | CMDY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.67% | 4.48% | +1.19% |
Volatility (6M)Calculated over the trailing 6-month period | 15.75% | 14.41% | +1.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.37% | 16.52% | +3.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.74% | 15.81% | +2.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.74% | 14.65% | +4.09% |
MEDI vs. CMDY - Expense Ratio Comparison
MEDI has a 0.80% expense ratio, which is higher than CMDY's 0.28% expense ratio.
Dividends
MEDI vs. CMDY - Dividend Comparison
MEDI's dividend yield for the trailing twelve months is around 0.26%, less than CMDY's 10.88% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 10.88% | 12.89% | 4.23% | 5.10% | 3.98% | 16.09% | 0.15% | 2.21% | 1.73% |
MEDI Harbor Health Care ETF | 0.26% | 0.28% | 0.54% | 1.86% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MEDI and CMDY 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.
MEDI has higher volatility (5.67%) compared to CMDY (4.48%). In terms of maximum drawdown, MEDI dropped -19.24% vs CMDY's -31.19%.
On 3-year performance, MEDI leads with 15.87% vs 11.74% for CMDY. On fees, CMDY is cheaper at 0.28% per year. On volatility, CMDY has been the lower-risk option at 4.48%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, MEDI has performed better with a 15.87% return vs 11.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
CMDY is cheaper with a 0.28% expense ratio, compared with 0.80% for MEDI.
CMDY has the higher dividend yield at 10.88%, compared with 0.26% for MEDI.
MEDI is categorized as Health & Biotech Equities, while CMDY is Commodities. They also come from different issuers: Harbor and iShares. Their fees differ too: 0.80% for MEDI and 0.28% for CMDY.
CMDY currently has the higher Sharpe Ratio (1.61 vs 1.24), 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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