BMOPvsGNMAETF Comparison
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BNY Mellon Municipal Opportunities ETF (BMOP) belongs to the Municipal Bonds segment. iShares GNMA Bond ETF (GNMA) is part of the MBS & ABS segment. BMOP's top 3 sector exposures are Municipal, Sovereign and Industrials. In contrast, GNMA's top sector exposures are Industrials and Non-Corporate. BMOP is more expensive with a Total Expense Ratio (TER) of 0.54%, versus 0.11% for GNMA. Run a side-by-side ETF comparison of BMOP 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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BMOP vs GNMA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BMOP GNMA | -0.77%-0.41% | -3.98%-2.53% | n/a-1.65% | n/a-1.41% | n/a+15.95% | n/a+0.31% |
| Flows | BMOP GNMA | -$134M-$15M | -$123M+$7M | -+$36M | -+$69M | -+$124M | --$12M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BMOP GNMA | +5.18%+5.77% | n/a+4.49% | n/a+5.59% | n/a+6.56% |
| Max drawdown | BMOP GNMA | -5.91%-4.45% | n/a-5.36% | n/a-5.36% | n/a-15.48% |
| Max drawdown duration | BMOP GNMA | 92d52d | n/a229d | n/a229d | n/a1397d |
Trading data
BMOP | GNMA | |
Last sale 10/16/2026 at 1:30 PM | $23.73 | $42.27 |
| Previous close 10/16/2026 | $23.70 | $42.26 |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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BMOP
is actively managed and doesn’t replicate an indexBMOP | 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 10/16/2026 at 1:30 PM
Live
Closed
BMOP | GNMA | |
|---|---|---|
| Last price | $23.73 | $42.27 |
| 1D performance | +0.13% | +0.02% |
| AuM | $1.56 B | $416.20 M |
| E/R | 0.54% | 0.11% |
Characteristics
BMOP | GNMA | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | BNY Mellon | iShares |
| Benchmark | - | Bloomberg U.S. GNMA Bond Index |
| N° of holdings | 237 | 109 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 9, 2026 | February 14, 2012 |
| ESG | No | No |
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Exposure
Countries
BMOP
USA
42.2%
Other
57.8%
GNMA
USA
48.8%
Other
51.2%
Sectors
BMOP
Municipal
41.69%
Other
58.31%
GNMA
Industrials
39.92%
Non-Corporate
8.88%
Other
51.2%
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Diversification
BMOP
Total weight of top 15 holdings out of 15
9.9%
GNMA
Total weight of top 15 holdings out of 15
33.91%
Top 15 holdings
Data as of August 31, 2026
BMOP
US45884AF813
0.89%
California Community Choice Financing Authority, 5% 1nov2033, USD (2025F)
0.79%
US052398FE91
0.75%
US745160SG73
0.74%
US575579U623
0.67%
US57421CNT70
0.62%
University of Texas, 5% 1jul2041, USD (2023A)
0.62%
US544532LU62
0.62%
State of Washington, 5% 1aug2040, USD (2024A)
0.61%
Black Belt Energy Gas District, 5% 1may2055, USD (2024)
0.60%
US56035DHT28
0.60%
Tennergy Corp., 5% 1oct2054, USD (2024)
0.60%
California Community Choice Financing Authority, 5% 1aug2055, USD (2024C)
0.60%
US09182TLC98
0.60%
US896035DL36
0.59%
GNMA
BlackRock Cash Funds - Treasury
8.88%
G2 MA7192, 2% 20feb2051, USD (ABS)
2.59%
US3618N5XQ77
2.51%
G2 MA9360, 4.5% 20dec2053, USD (ABS)
2.42%
US21H0526945
1.97%
US36179WTX64
1.90%
G2 MA8878, 5% 20may2053, USD (ABS)
1.67%
G2 MB0025, 5% 20nov2054, USD (ABS)
1.64%
US36179WJR07
1.62%
G2 MA7880, 2% 20feb2052, USD (ABS)
1.59%
G2 MA8801, 5.5% 20apr2053, USD (ABS)
1.59%
G2 MA6864, 2% 20sep2050, USD (ABS)
1.44%
US36179WLP13
1.40%
US36179WFG87
1.38%
US3617NWEY42
1.32%
Frequently asked questions about BMOP and GNMA
Which ETF is bigger: BMOP or GNMA?
As of October 16, 2026, BMOP holds $1.56 B in assets under management (AUM), while GNMA manages $416.20 M.
What sectors do the BMOP and GNMA ETFs invest in?
BMOP leans toward sectors like Municipal. Meanwhile, GNMA focuses on Industrials and Non-Corporate.
What are the top holdings of the BMOP ETF and GNMA ETF?
BMOP top holdings include US45884AF813, California Community Choice Financing Authority, 5% 1nov2033, USD (2025F) and US052398FE91. GNMA holds in its top three: BlackRock Cash Funds - Treasury, G2 MA7192, 2% 20feb2051, USD (ABS) and US3618N5XQ77.
Which ETF is more diversified: BMOP or GNMA?
BMOP holds 667 securities with 9.9% of its assets in the top 15. GNMA has 355 securities and a top 15 weight of 33.91%.
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