MUB vs ZTAX
iShares National Muni Bond ETF compared with X-Square Municipal Income Tax Free ETF on yield, payout growth, payment schedule, cost and risk.
MUB
iShares National Muni Bond ETF
TTM yield · Monthly
ZTAX
X-Square Municipal Income Tax Free ETF
TTM yield · Quarterly
Quick take
- ZTAX yields more today: 8.76% vs 3.29% (forward).
- MUB pays every month; ZTAX pays every quarter.
- Over the last year ZTAX delivered the higher total return: +5.6% vs +2.9% (price change plus payouts).
- MUB is cheaper to own: 0.05% vs 0.92% expense ratio.
- MUB has the steadier distribution: consistency 98/100 vs 25/100.
Generated from the latest data on both pages. Not a recommendation.
Side by side
| Metric | MUB | ZTAX |
|---|---|---|
| Share price | $104.02 | $25.03 |
| TTM yield | 3.29% | 4.69% |
| Forward yield | 3.29% | 8.76% |
| Annual payout per share | $3.422 | $2.192 |
| Payment frequency | Monthly | Quarterly |
| Next ex-date | Oct 1, 2026 (est.) | Oct 1, 2026 (est.) |
| Expense ratio | 0.05% | 0.92% |
| 1-year payout growth | — | -1.0% |
| 5-year payout CAGR | — | — |
| Consecutive years of increases | — | 0 years |
| Payout consistency (last 12) | 98/100 | 25/100 |
| 1-year total return | +2.9% | +5.6% |
| 1-year price return | -0.4% | +0.9% |
| Size (market cap / AUM) | 45.4B | 5.1M |
| Years paying | 18.9 | 3.1 |
| Sector / category | Muni National Interm | Muni National Interm |
✓ 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
| MUB | ZTAX | |
|---|---|---|
| Shares | 96.1 | 399.4 |
| Income per year | $329 | $876 |
| Income per month (avg) | $27 | $73 |
At forward yields, before taxes. Model MUB · Model ZTAX
Next payments
| Ex-date | Pay date | Per share | Status |
|---|---|---|---|
| MUB Oct 1, 2026 | Oct 15, 2026 | $0.2852 | Est. |
| MUB Oct 31, 2026 | Nov 14, 2026 | $0.2852 | Est. |
| MUB Nov 30, 2026 | Dec 14, 2026 | $0.2852 | Est. |
| ZTAX Oct 1, 2026 | Oct 15, 2026 | $0.548 | Est. |
| ZTAX Dec 31, 2026 | Jan 14, 2027 | $0.548 | Est. |
| ZTAX Apr 1, 2027 | Apr 15, 2027 | $0.548 | Est. |
Annual payouts per share
MUBZTAX
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, MUB or ZTAX?
ZTAX currently has the higher trailing yield: MUB yields 3.29% and ZTAX yields 4.69%. Yield changes daily with price, so check the live figures above.
How often do MUB and ZTAX pay?
MUB pays every month and ZTAX pays every quarter. MUB's next ex-date is Oct 1, 2026 and ZTAX's is Oct 1, 2026.
Is MUB or ZTAX better for income?
It depends on what you are optimising for. MUB and ZTAX 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.