FMUB vs IVV
Fidelity Municipal Bond Opportunities ETF vs iShares Core S&P 500 ETF
Quick Verdict
IVV has a lower expense ratio. IVV delivered stronger 1-year returns. FMUB offers more diversification with 554 holdings.
Side-by-Side Comparison
| Metric | FMUB | IVV | Winner |
|---|---|---|---|
| Expense Ratio | 0.30% | 0.03% | |
| AUM | $243M | $907.0B | |
| Dividend Yield | 3.55% | 1.10% | |
| Holdings | 554 | 508 | |
| YTD Return | +1.27% | +12.28% | |
| 1Y Return | +5.22% | +20.94% | |
| 3Y Return (annualized) | - | +21.81% | |
| 5Y Return (annualized) | - | +13.05% | |
| Volatility (annualized) | 3.4% | 15.1% | |
| Max Drawdown | -2.5% | -56.5% | |
| Fund Family | Fidelity Investments (US) | iShares by BlackRock (US) | |
| Category | Tax Preferred | Equity | |
| Inception | Apr 7, 2025 | May 15, 2000 |
FMUB vs IVV Performance
Fidelity Municipal Bond Opportunities ETF (FMUB) is a ETF from Fidelity Investments (US) and iShares Core S&P 500 ETF (IVV) is a ETF from iShares by BlackRock (US). Over the past year FMUB returned +5.22% while IVV returned +20.94%. Year to date, FMUB is up 1.27% versus a gain of 12.28% for IVV.
Risk: Volatility and Drawdowns
IVV has been the more volatile fund, with annualized monthly volatility of 15.1% compared with 3.4% for FMUB. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -2.5% for FMUB and -56.5% for IVV. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.47. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
FMUB charges 0.30% per year while IVV charges 0.03%. On a $10,000 position that is $30 vs $3 annually, a gap of $27 per year that compounds over a long holding period. On income, FMUB currently yields 3.55% against 1.10% for IVV.
Holdings Overlap
FMUB and IVV share 0 holdings out of 506 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, FMUB or IVV?
FMUB has an expense ratio of 0.30% while IVV charges 0.03%. IVV is the cheaper option. On a $10,000 investment, that is $27 per year of difference.
Which performed better, FMUB or IVV?
Over the past year FMUB returned +5.22% vs +20.94% for IVV, so IVV leads on 1-year performance. Over the longest common window we track (1 years), FMUB annualized +6.32% vs +6.98% for IVV. Past performance does not guarantee future results.
Which is riskier, FMUB or IVV?
IVV has been the more volatile fund at 15.1% annualized versus 3.4% for FMUB. Worst drawdown: FMUB -2.5% vs IVV -56.5%.
Should I hold both FMUB and IVV?
FMUB and IVV have a monthly-return correlation of 0.47, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between FMUB and IVV?
FMUB and IVV share 0 common holdings with a 0.0% weight overlap. Combined, they hold 506 unique securities.
Which pays a higher dividend, FMUB or IVV?
FMUB yields 3.55% while IVV yields 1.10%, so FMUB currently pays the higher dividend yield.
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