MUNXvsGNMAETF Comparison
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AMG GW&K Muni Income ETF (MUNX) belongs to the Municipal Bonds segment. iShares GNMA Bond ETF (GNMA) is part of the MBS & ABS segment. MUNX's top 1 sector exposures are Municipal. In contrast, GNMA's top sector exposures are Industrials and Non-Corporate. MUNX is more expensive with a Total Expense Ratio (TER) of 0.29%, versus 0.11% for GNMA. MUNX is down -0.26% year-to-date (YTD) with +$9M in YTD flows. GNMA performs better with -0.14% YTD performance, and +$44M in YTD flows. Run a side-by-side ETF comparison of MUNX and GNMA below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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MUNX vs GNMA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MUNX GNMA | +3.93%+3.06% | -1.03%-0.58% | -0.26%-0.14% | +0.21%+0.43% | n/a+18.99% | n/a+1.89% |
| Flows | MUNX GNMA | -$943K+$2M | -$929K+$16M | +$9M+$44M | +$19M+$75M | -+$102M | -+$1M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MUNX GNMA | +6.07%+6.06% | +3.78%+4.59% | n/a+5.52% | n/a+6.58% |
| Max drawdown | MUNX GNMA | -6.42%-4.45% | -7.17%-5.36% | n/a-5.36% | n/a-15.48% |
| Max drawdown duration | MUNX GNMA | 78d66d | 116d243d | n/a243d | n/a1397d |
Trading data
MUNX | GNMA | |
Last sale 10/30/2026 at 1:30 PM | $24.24 | $43.00 |
| Previous close 10/29/2026 | $24.16 | $42.76 |
| Consolidated volume 10/29/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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MUNX
is actively managed and doesn’t replicate an indexMUNX | GNMA | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/30/2026 at 1:30 PM
Live
Closed
MUNX | GNMA | |
|---|---|---|
| Last price | $24.24 | $43.00 |
| 1D performance | +0.33% | +0.56% |
| AuM | $18.40 M | $431.19 M |
| E/R | 0.29% | 0.11% |
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Exposure
Countries
MUNX
USA
44.98%
Other
55.02%
GNMA
USA
48.73%
Other
51.27%
Sectors
MUNX
Municipal
44.98%
Other
55.02%
GNMA
Industrials
40.92%
Non-Corporate
7.81%
Other
51.27%
Diversification
MUNX
Total weight of top 15 holdings out of 15
32.13%
GNMA
Total weight of top 15 holdings out of 15
32.76%
Top 15 holdings
Data as of September 30, 2026
MUNX
Commonwealth Financing Authority, 4% 1jun2039, USD (2018)
3.03%
US70868YAL39
2.62%
US717823Y444
2.28%
US03843TBQ31
2.24%
US70868YBQ17
2.20%
Houston, 5% 1sep2038, USD (2026C)
2.18%
New York Transportation Development Corp., 6% 30jun2055, USD (2025)
2.15%
US65889BEL45
2.04%
Massachusetts Development Finance Agency, 5.5% 1oct2044, USD (2026A)
2.01%
US46613SGA24
2.01%
US74448EAA29
1.91%
Texas Private Activity Bond Surface Transportation Corp., 5% 30jun2058, USD (2019)
1.91%
New York Urban Development Corp., 4% 31oct2034, USD (2021)
1.90%
US1675937J52
1.83%
US84136HCT86
1.83%
GNMA
BlackRock Cash Funds - Treasury
7.81%
G2 MA7192, 2% 20feb2051, USD (ABS)
2.65%
US3618N5XQ77
2.58%
G2 MA9360, 4.5% 20dec2053, USD (ABS)
2.48%
US36179WTX64
1.94%
G2 MA8878, 5% 20may2053, USD (ABS)
1.70%
G2 MB0025, 5% 20nov2054, USD (ABS)
1.68%
US36179WJR07
1.66%
G2 MA7880, 2% 20feb2052, USD (ABS)
1.63%
G2 MA8801, 5.5% 20apr2053, USD (ABS)
1.63%
G2 MA6864, 2% 20sep2050, USD (ABS)
1.47%
US36179WLP13
1.44%
US36179WFG87
1.42%
US3617NWEY42
1.36%
US36179WVT25
1.32%
Frequently asked questions about MUNX and GNMA
How have the MUNX and GNMA ETFs performed in 2026?
As of October 30, 2026, MUNX is down -0.26% year-to-date (YTD), while GNMA has lost -0.14%. That puts GNMA better performer ahead so far this year.
Which ETF is attracting more investor money: MUNX or GNMA?
Year-to-date, the MUNX ETF saw +$9M in flows, compared to +$44M for GNMA.
Which ETF is more volatile: MUNX or GNMA?
Over the past year, MUNX had a volatility of 3.78%, while GNMA experienced 4.59%.
Which ETF is bigger: MUNX or GNMA?
As of October 30, 2026, MUNX holds $18.40 M in assets under management (AUM), while GNMA manages $431.19 M.
What sectors do the MUNX and GNMA ETFs invest in?
MUNX leans toward sectors like Municipal. Meanwhile, GNMA focuses on Industrials and Non-Corporate.
What are the top holdings of the MUNX ETF and GNMA ETF?
MUNX top holdings include Commonwealth Financing Authority, 4% 1jun2039, USD (2018), US70868YAL39 and US717823Y444. GNMA holds in its top three: BlackRock Cash Funds - Treasury, G2 MA7192, 2% 20feb2051, USD (ABS) and US3618N5XQ77.
Which ETF is more diversified: MUNX or GNMA?
MUNX holds 73 securities with 32.13% of its assets in the top 15. GNMA has 355 securities and a top 15 weight of 32.76%.
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