FMUB vs. GSG
FMUB (Fidelity Municipal Bond Opportunities ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - FMUB is a Municipal Bonds fund actively managed by Fidelity, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. FMUB is actively managed, while GSG is passively managed. Over the past year, FMUB returned 5.57% vs 37.47% for GSG. Their -0.25 correlation means they have often moved in opposite directions in the past. FMUB charges 0.30%/yr vs 0.75%/yr for GSG.
Performance
FMUB vs. GSG - Performance Comparison
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Returns By Period
In the year-to-date period, FMUB achieves a 1.70% return, which is significantly lower than GSG's 32.52% return.
FMUB
- 1D
- 0.31%
- 1M
- -0.83%
- 6M
- 1.01%
- YTD
- 1.70%
- 1Y
- 5.57%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 4.83%
GSG
- 1D
- 0.36%
- 1M
- 5.78%
- 6M
- 21.95%
- YTD
- 32.52%
- 1Y
- 37.47%
- 3Y*
- 12.51%
- 5Y*
- 14.20%
- 10Y*
- 8.03%
- ALL TIME*
- -2.36%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.88M | $2.46M | $1.66M | |
| $18.96M | $16.42M | $22.87M |
FMUB vs. GSG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
FMUB Fidelity Municipal Bond Opportunities ETF | 1.70% | 4.69% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 32.52% | 9.65% |
Correlation
The correlation between FMUB and GSG is -0.35, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.35 |
Correlation (All Time) Calculated using the full available price history since Apr 7, 2025 | -0.25 |
The correlation between FMUB and GSG shifts across timeframes, from -0.35 (1 year) to -0.25 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
FMUB vs. GSG — Risk / Return Rank
FMUB
GSG
FMUB vs. GSG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Municipal Bond Opportunities ETF (FMUB) and iShares S&P GSCI Commodity-Indexed Trust (GSG). 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.
| FMUB | GSG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.52 | ||
| Sortino ratioReturn per unit of downside risk | +0.78 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 1.27 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.24 | 2.00 | +0.24 |
| Martin ratioReturn relative to average drawdown | 8.13 | 6.32 | +1.81 |
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Drawdowns
FMUB vs. GSG - Drawdown Comparison
The maximum FMUB drawdown since its inception was -2.74%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for FMUB and GSG.
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Drawdown Indicators
| FMUB | GSG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.74% | -89.62% | +86.88% |
Max Drawdown (1Y)Largest decline over 1 year | -2.49% | -18.81% | +16.32% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.81% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -29.12% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -57.64% | — |
Current DrawdownCurrent decline from peak | -0.88% | -59.99% | +59.11% |
Average DrawdownAverage peak-to-trough decline | -0.49% | -63.67% | +63.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.69% | 5.94% | -5.25% |
Volatility
FMUB vs. GSG - Volatility Comparison
The current volatility for Fidelity Municipal Bond Opportunities ETF (FMUB) is 1.03%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 8.99%. This indicates that FMUB experiences smaller price fluctuations and is considered to be less risky than GSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FMUB | GSG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.03% | 8.99% | -7.96% |
Volatility (6M)Calculated over the trailing 6-month period | 2.23% | 21.89% | -19.66% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.72% | 24.44% | -21.72% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.59% | 22.90% | -19.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.59% | 22.08% | -18.49% |
FMUB vs. GSG - Expense Ratio Comparison
FMUB has a 0.30% expense ratio, which is lower than GSG's 0.75% expense ratio.
Dividends
FMUB vs. GSG - Dividend Comparison
FMUB's dividend yield for the trailing twelve months is around 3.52%, while GSG has not paid dividends to shareholders.
| Position | TTM | 2025 |
|---|---|---|
FMUB Fidelity Municipal Bond Opportunities ETF | 3.52% | 2.63% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 0.00% | 0.00% |
Frequently Asked Questions
FMUB and GSG have a correlation of -0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GSG has higher volatility (8.99%) compared to FMUB (1.03%). In terms of maximum drawdown, FMUB dropped -2.74% vs GSG's -89.62%.
On 1-year performance, GSG leads with 37.47% vs 5.57% for FMUB. On fees, FMUB is cheaper at 0.30% per year. On volatility, FMUB 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, GSG has performed better with a 37.47% return vs 5.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
FMUB is cheaper with a 0.30% expense ratio, compared with 0.75% for GSG.
FMUB has the higher dividend yield at 3.52%, compared with 0.00% for GSG.
FMUB is categorized as Municipal Bonds, while GSG is Commodities. They also come from different issuers: Fidelity and iShares. Their fees differ too: 0.30% for FMUB and 0.75% for GSG.
FMUB currently has the higher Sharpe Ratio (2.06 vs 1.54), 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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