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AMG GW&K Muni Income ETF

MUNXNYSE ArcaC

$24.24+0.21 (+0.87%) past 5 days

At close: Oct 30, 2026, 4:00 PM ET

5D price: up, 8 points from 24.03 to 24.24. Range 24.03 to 24.24. Use the arrow keys to read each point.24.0524.1024.1524.20Oct 26Oct 27Oct 28Oct 29Oct 30
Market opens at 9:30 AM ET.
Expense ratio
0.29%
Fund size
$18M
1Y total return
+0.1%
Yield · Last 12 months
No data
Holdings
70
Avg volume · 30D
1.98K sh
52W range
low $23.26high $25.45
Launched

The ETF.net MUNX Grade

C

Score 54 out of 100

Rank
41 of 63
Six-pillar profile for MUNX. Scores out of 100: Cost 60, Risk 45, Mission 95, Tradability 11, Holdings 32, Durability 24. Strongest: Mission (95). Weakest: Tradability (11). Leans toward Mission.

Score 54 of 100 falls in the C band. A is 70 or higher, B 55 to under 70, C 40 to under 55, D 25 to under 40, F under 25.

  • Cost

    The fund’s net expense ratio, ranked against its category.
    B60 out of 100
    Rank 23 of 63
  • Mission

    Whether the fund did what it promised, tested against its stated mandate.
    A95 out of 100
    Rank 19 of 59
  • Risk

    How the fund held up when markets fell: downside volatility, drawdowns and tail loss.
    C45 out of 100
    Rank 31 of 63
  • Tradability

    How easy the fund is to trade: daily volume, and how far its price strays from net asset value.
    F11 out of 100
    Rank 61 of 63
  • Holdings

    How concentrated the fund is, and how complete and current its disclosed holdings are.
    D32 out of 100
    Rank 57 of 63
  • Durability

    Whether the fund is likely to stay open, judged by its age, its assets and its issuer’s assets.
    F24 out of 100
    Rank 54 of 63

Our read on MUNX

ETF.net Research

In short

CA Boston bond boutique's muni playbook in an ETF wrapper. GW&K's team picks individual tax-exempt bonds across sectors, maturities and credit tiers, aiming at federally tax-free income instead of mirroring an index.

Stated mandate

The Fund seeks current income exempt from federal income tax while preserving capital. Capital appreciation is a secondary objective.

Why people hold it

  • Actively run rather than index-shadowing: managers can shift sectors, maturities and credit quality inside a muni market where many bonds trade by appointment.amgetfs.com
  • At 0.29% a year, it charges a shade under the typical muni bond ETF while running an active book instead of a rules-based one.
  • Clear job description: core intermediate US munis, federally tax-exempt income first, capital preservation alongside it, price appreciation only a secondary goal.amgetfs.com
  • Income is designed to arrive monthly per the fund's filings, and the portfolio stays tightly inside that tax-exempt muni mandate with no side bets.

Worth knowing

  • Index munis undercut it sharply: VTEB and SCMB charge 0.03%. Active bond selection is the entire reason to pay the difference here.
  • Launched in late 2025, so the record is short and trading has been light. Spreads can run wider than the big muni index funds, which makes execution matter.
  • Payout timing has been uneven early on, and the exemption is federal only: state taxes and bonds subject to the AMT are still in play.aaii.com

MUNX Performance

Launched Oct 29, 2025

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

Not enough history yet.Not enough history yet.Not enough history yet.
MUNX$10,009
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$11,199
Oct 31, 2025 to Oct 30, 2026. MUNX $10,009. SPY $11,199. Use the arrow keys to read each point.$10,000$11,000Oct 2025Apr 2026Oct 2026

Oct 31, 2025 – Oct 30, 2026

Returns run to the Oct 30, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.

Trailing total return for MUNX. Periods over one year show the average yearly return.
PeriodMUNX
Year to date−0.2%
1 month+3.6%
3 months−1.0%
1 year+0.1%
3 yearsFund is under 3 years oldper yearNo data
5 yearsFund is under 5 years oldper yearNo data
10 yearsFund is under 10 years oldper yearNo data

With distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for MUNX
YearReturn barMUNX
2026 YTD−0.2%
2025+0.5%

History from Oct 30, 2025

MUNX in the news

MUNX Dividends

Last payment
$0.08 per share
Paid on
Shares bought on or after this date do not qualify for this distribution.
Frequency
Monthly

Distribution data unavailable.

Distribution history

2025–2026

One bar per payment. 11 payments from 2025 to 2026 YTD. Dec 1, 2025 $0.06; Dec 16, 2025 $0.08; Feb 2, 2026 $0.06; Mar 2, 2026 $0.07; Apr 1, 2026 $0.07; May 1, 2026 $0.07; Jun 1, 2026 $0.08; Jul 1, 2026 $0.07; Aug 3, 2026 $0.08; Sep 1, 2026 $0.08; Oct 1, 2026 $0.08. Use the arrow keys to read each point.20252026YTD
Ex-datePay dateAmount per share
Nov 2, 2026Pays Nov 5, 2026$0.08
Oct 1, 2026Oct 6, 2026$0.08
Sep 1, 2026Sep 4, 2026$0.08
Aug 3, 2026Aug 6, 2026$0.08
Jul 1, 2026Jul 7, 2026$0.07
Jun 1, 2026Jun 4, 2026$0.08
May 1, 2026May 6, 2026$0.07
Apr 1, 2026Apr 7, 2026$0.07
Mar 2, 2026Mar 5, 2026$0.07
Feb 2, 2026Feb 5, 2026$0.06
Dec 16, 2025Dec 19, 2025$0.08
Dec 1, 2025Dec 4, 2025$0.06

$10,000 in MUNX 1 year ago paid $320 in dividends.

MUNX Risk

How much the fund’s monthly returns vary, scaled to a year.
7.1%
Annualised · 12 months to Oct 2026
How it’s calculated: standard deviation

The sample standard deviation of monthly total returns, multiplied by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.

Return above 3-month US Treasury bills per unit of volatility.
−0.49
vs 3-month T-bills · 12 months to Oct 2026
How it’s calculated: Sharpe ratio

Subtract each month’s Treasury-bill return from the fund’s monthly total return.

Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.

The largest fall from a peak to the low that followed.
−7.1%
12 months · trough Sep 2026
How it’s calculated: maximum drawdown

The largest percentage decline from an earlier peak, using total returns with reinvested distributions.

Uses up to five years through the last close, with at least 12 months required.

How strongly the fund’s returns move with its asset-class index.
0.18
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

FMP measures it over up to five years of monthly returns.

MUNX Cost

Overpaying vs VTEB, tied cheapest in Other Municipal Bond

$5,314

On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.

  • MUNX 0.29%

    $5,952

  • VTEB 0.03% Tied cheapest

    $638

$10,000
30 years

Cost over time

  • MUNX 0.29%
  • VTEB 0.03%
  • Overpaying
One line per fund, from year 0 to year 30. Use the arrow keys to read each point.$0$2K$4K$6K051015202530MUNX $5,952VTEB $638

Year by year

YearMUNXVTEBOverpaying
10$527$55$472
20$2,044$216$1,828
30$5,952$638$5,314

Other funds in Other Municipal Bond