SUB vs ZMUN
iShares Short-Term National Muni Bond ETF compared with F/m Ultrashort Tax Free Municipal ETF on yield, payout growth, payment schedule, cost and risk.
SUB
iShares Short-Term National Muni Bond ETF
TTM yield · Monthly
ZMUN
F/m Ultrashort Tax Free Municipal ETF
TTM yield · Monthly
Quick take
- ZMUN yields more today: 3.59% vs 2.59% (forward).
- Both pay every month.
- Over the last year ZMUN delivered the higher total return: +3.0% vs +1.3% (price change plus payouts).
- SUB is cheaper to own: 0.07% vs 0.30% expense ratio.
- SUB has the steadier distribution: consistency 97/100 vs 82/100.
Generated from the latest data on both pages. Not a recommendation.
Side by side
| Metric | SUB | ZMUN |
|---|---|---|
| Share price | $105.41 | $49.80 |
| TTM yield | 2.59% | 3.59% |
| Forward yield | 2.59% | 3.59% |
| Annual payout per share | $2.727 | $1.79 |
| Payment frequency | Monthly | Monthly |
| Next ex-date | Oct 31, 2026 (est.) | Oct 28, 2026 (est.) |
| Expense ratio | 0.07% | 0.30% |
| 1-year payout growth | — | — |
| 5-year payout CAGR | — | — |
| Consecutive years of increases | — | 0 years |
| Payout consistency (last 12) | 97/100 | 82/100 |
| 1-year total return | +1.3% | +3.0% |
| 1-year price return | -1.3% | -0.5% |
| Size (market cap / AUM) | 11.9B | 34.3M |
| Years paying | 17.9 | 1.0 |
| Sector / category | Muni National Short | Muni National Short |
✓ marks the more favourable figure where one exists (higher yield, growth, streak, consistency, return and size; lower cost, payout ratio and risk).
$10,000 invested today
| SUB | ZMUN | |
|---|---|---|
| Shares | 94.9 | 200.8 |
| Income per year | $259 | $359 |
| Income per month (avg) | $22 | $30 |
At forward yields, before taxes. Model SUB · Model ZMUN
Next payments
| Ex-date | Pay date | Per share | Status |
|---|---|---|---|
| SUB Oct 31, 2026 | Nov 14, 2026 | $0.2272 | Est. |
| SUB Nov 30, 2026 | Dec 14, 2026 | $0.2273 | Est. |
| SUB Dec 30, 2026 | Jan 13, 2027 | $0.2273 | Est. |
| ZMUN Oct 28, 2026 | Oct 29, 2026 | $0.1492 | Est. |
| ZMUN Nov 27, 2026 | Nov 28, 2026 | $0.1492 | Est. |
| ZMUN Dec 27, 2026 | Dec 28, 2026 | $0.1492 | Est. |
Annual payouts per share
SUBZMUN
Regular payments only; the current year is year to date. Per-share amounts are not directly comparable when share prices differ, so read this chart for growth trends.
FAQ
Which has the higher dividend yield, SUB or ZMUN?
ZMUN currently has the higher trailing yield: SUB yields 2.59% and ZMUN yields 3.59%. Yield changes daily with price, so check the live figures above.
How often do SUB and ZMUN pay?
SUB pays every month and ZMUN pays every month. SUB's next ex-date is Oct 31, 2026 and ZMUN's is Oct 28, 2026.
Is SUB or ZMUN better for income?
It depends on what you are optimising for. SUB and ZMUN differ in yield, growth, payment schedule and risk profile; the table above puts every metric side by side so you can weigh them for your own goals. This page is data, not advice.