MUSI vs. COMB
MUSI (American Century Multisector Income ETF) and COMB (GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF) are both exchange-traded funds - MUSI is a Multisector Bonds fund actively managed by American Century, while COMB is a Commodities fund actively managed by GraniteShares. Both are actively managed. Over the past 5 years, MUSI returned 2.14%/yr vs 9.83%/yr for COMB. At a 0.04 correlation, their price movements are largely independent. MUSI charges 0.36%/yr vs 0.25%/yr for COMB.
Performance
MUSI vs. COMB - Performance Comparison
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Returns By Period
In the year-to-date period, MUSI achieves a 0.78% return, which is significantly lower than COMB's 17.53% return.
MUSI
- 1D
- -0.08%
- 1M
- -0.07%
- 6M
- 0.53%
- YTD
- 0.78%
- 1Y
- 4.77%
- 3Y*
- 6.59%
- 5Y*
- 2.14%
- 10Y*
- —
COMB
- 1D
- 0.00%
- 1M
- -1.59%
- 6M
- 14.82%
- YTD
- 17.53%
- 1Y
- 25.91%
- 3Y*
- 11.95%
- 5Y*
- 9.83%
- 10Y*
- —
MUSI vs. COMB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
MUSI American Century Multisector Income ETF | 0.78% | 8.32% | 5.14% | 7.51% | -10.33% | 0.60% |
COMB GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF | 17.53% | 15.12% | 5.24% | -7.75% | 14.56% | 4.57% |
Correlation
The correlation between MUSI and COMB is -0.24, 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 | -0.24 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.02 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.04 |
Correlation (All Time) Calculated using the full available price history since Jul 1, 2021 | 0.04 |
The correlation between MUSI and COMB shifts across timeframes, from -0.24 (1 year) to 0.04 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
MUSI vs. COMB — Risk / Return Rank
MUSI
COMB
MUSI vs. COMB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Multisector Income ETF (MUSI) and GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF (COMB). 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.
| MUSI | COMB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.18 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.28 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 1.68 | 1.82 | -0.15 |
| Martin ratioReturn relative to average drawdown | 5.70 | 6.14 | -0.44 |
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Drawdowns
MUSI vs. COMB - Drawdown Comparison
The maximum MUSI drawdown since its inception was -13.91%, smaller than the maximum COMB drawdown of -33.50%. Use the drawdown chart below to compare losses from any high point for MUSI and COMB.
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Drawdown Indicators
| MUSI | COMB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.91% | -33.50% | +19.59% |
Max Drawdown (1Y)Largest decline over 1 year | -2.78% | -14.84% | +12.06% |
Max Drawdown (3Y)Largest decline over 3 years | -3.94% | -14.84% | +10.90% |
Max Drawdown (5Y)Largest decline over 5 years | -13.91% | -26.63% | +12.72% |
Current DrawdownCurrent decline from peak | -0.96% | -11.35% | +10.39% |
Average DrawdownAverage peak-to-trough decline | -4.15% | -12.05% | +7.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.82% | 4.40% | -3.58% |
Volatility
MUSI vs. COMB - Volatility Comparison
The current volatility for American Century Multisector Income ETF (MUSI) is 1.06%, while GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF (COMB) has a volatility of 4.24%. This indicates that MUSI experiences smaller price fluctuations and is considered to be less risky than COMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MUSI | COMB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.06% | 4.24% | -3.18% |
Volatility (6M)Calculated over the trailing 6-month period | 2.76% | 15.09% | -12.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.37% | 17.38% | -14.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.83% | 16.69% | -11.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.82% | 15.15% | -10.33% |
MUSI vs. COMB - Expense Ratio Comparison
MUSI has a 0.36% expense ratio, which is higher than COMB's 0.25% expense ratio.
Dividends
MUSI vs. COMB - Dividend Comparison
MUSI's dividend yield for the trailing twelve months is around 5.45%, less than COMB's 7.70% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
COMB GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF | 7.70% | 9.05% | 2.48% | 6.57% | 30.85% | 15.83% | 0.07% | 1.48% | 0.97% | 0.20% |
MUSI American Century Multisector Income ETF | 5.45% | 5.74% | 6.00% | 5.20% | 4.02% | 1.62% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
MUSI and COMB have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COMB has higher volatility (4.24%) compared to MUSI (1.06%). In terms of maximum drawdown, MUSI dropped -13.91% vs COMB's -33.50%.
On 5-year performance, COMB leads with 9.83% vs 2.14% for MUSI. On fees, COMB is cheaper at 0.25% per year. On volatility, MUSI has been the lower-risk option at 1.06%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, COMB has performed better with a 9.83% return vs 2.14%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
COMB is cheaper with a 0.25% expense ratio, compared with 0.36% for MUSI.
COMB has the higher dividend yield at 7.70%, compared with 5.45% for MUSI.
MUSI is categorized as Multisector Bonds, while COMB is Commodities. They also come from different issuers: American Century and GraniteShares. Their fees differ too: 0.36% for MUSI and 0.25% for COMB.
COMB currently has the higher Sharpe Ratio (1.56 vs 1.38), 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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