FMUB ranks 3rd and IROC 10th of 18 funds in the High-Yield Municipal Bonds Category.
FMUB vs IROC
FMUB −0.09pt a year
0.30%0.39%
FMUB 3.1×the volume
97.3K31.3K
FMUB vs IROC Performance
+1.1%+1.7%
- FMUB 0.30%, better
- IROC 0.39%
- FMUB $246M
- IROC $203M
- FMUB +1.1%
- IROC +1.7%, better
- FMUB 3.58%
- IROC 5.23%, better
- FMUB 702
- IROC 206
- FMUB 97.3K sh, better
- IROC 31.3K sh
- FMUB $49.75
- IROC $48.93
ETF.net Grade
| Pillar | FMUB | IROC |
|---|---|---|
| Cost | A100Higher | C47 |
| Mission | A89 | A89 |
| Risk | B61 | A73Higher |
| Tradability | C41Higher | C40 |
| Holdings | D27 | B58Higher |
| Durability | C49 | C50Higher |
Rank among High-Yield Municipal Bonds funds
Same Category. FMUB and IROC are both graded against the same 18 High-Yield Municipal Bonds funds, so their Grades compare head to head.
Our read on each fund
FMUBA
IROCB
In short
FMUB Tax-free income is the job, but the mandate also leaves room for capital growth. Fidelity's 2023-vintage muni fund spreads across roughly 400 bonds and pays monthly.
IROC Invesco's Rochester muni desk, ETF-wrapped: active high-yield munis at 0.39% net of a waiver through December 31, 2026, with room to add leverage through tender option bonds and duration normally kept under 7.5 years.
Stated mandate
FMUB The fund seeks high current income exempt from federal income tax, with capital growth also considered.
IROC The Fund is actively managed and seeks its objective by investing at least 80% of assets in high-yield municipal securities and economically similar derivatives or instruments. Income from the municipal securities is intended to be exempt from federal income taxes.
Why people hold it
Worth knowing
FMUB vs IROC Holdings
How we measure overlap
Each holding counts at its smaller weight in the two funds, summed over the full Holdings. Sector, country and asset class use the same rule on each fund’s split. Cash, FX and derivative lines stay out of the counts. Two bond funds get no overlap figure.
FMUB vs IROC Cost
Overpaying IROC vs FMUB
$1,749
On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.
FMUB 0.30%
$6,149
IROC 0.39%
$7,898
Cost over time
Year by year
| Year | FMUB | IROC | Overpaying |
|---|---|---|---|
| 10 | $545 | $705 | $160 |
| 20 | $2,113 | $2,725 | $612 |
| 30 | $6,149 | $7,898 | $1,749 |
- 0.30%FMUB, cheaper
- 0.39%IROC
- Middle half of High-Yield Municipal Bonds funds
- Median 0.39%
FMUB cheapest of 18 funds
IROC 9th cheapest of 18 funds
FMUB vs IROC Dividends
- FMUB 3.58%
- IROC 5.23%, better
- FMUB $1.79
- IROC $2.57
- FMUB $0.12
- IROC $0.19
- FMUB Oct 29, 2026
- IROC Oct 19, 2026
- FMUB Pays Nov 2, 2026
- IROC Oct 23, 2026
- FMUB Monthly
- IROC Monthly
Distribution history
FMUB vs IROC Risk
Fall from peak · 5 years
Risk facts
- Volatility
- FMUB 5.4%IROC 5.1%
- Return per unit of risk
- FMUB 0.04IROC 0.27
- Worst fall
- FMUB −6.1%IROC −6.2%
- Market sensitivity
- FMUB 0.91IROC 0.26
Popular comparisons
- 0.30% · 0.34%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.39% · 0.34%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.30% · 0.32%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.39% · 0.32%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.30% · 0.35%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.39% · 0.35%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.