MUSTvsBMOPETF Comparison
VS
Columbia Multi-Sector Municipal Income ETF (MUST) and BNY Mellon Municipal Opportunities ETF (BMOP) belong to the same industry segment: Municipal Bonds. MUST's top 2 sector exposures are Municipal and Non-Corporate. In contrast, BMOP's top sector exposures are Municipal, Sovereign and Industrials. MUST is less expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.54% for BMOP. Run a side-by-side ETF comparison of MUST and BMOP 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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MUST vs BMOP performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MUST BMOP | -0.38%-0.77% | -4.08%-3.98% | -2.99%n/a | -2.22%n/a | +10.07%n/a | -0.37%n/a |
| Flows | MUST BMOP | -$50M-$134M | -$48M-$123M | +$22M- | +$60M- | +$183M- | +$424M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MUST BMOP | +5.76%+5.18% | +3.52%n/a | +4.31%n/a | +4.03%n/a |
| Max drawdown | MUST BMOP | -6.99%-5.91% | -8.13%n/a | -8.13%n/a | -13.14%n/a |
| Max drawdown duration | MUST BMOP | 92d92d | 229dn/a | 229dn/a | 1351dn/a |
Trading data
MUST | BMOP | |
Last sale 10/16/2026 at 1:30 PM | $19.55 | $23.73 |
| Previous close 10/15/2026 | $19.50 | $23.70 |
| Consolidated volume 10/15/2026 | ||
| 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 indexMUST | BMOP | |
|---|---|---|
| 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
MUST | BMOP | |
|---|---|---|
| Last price | $19.55 | $23.73 |
| 1D performance | +0.26% | +0.13% |
| AuM | $519.09 M | $1.56 B |
| E/R | 0.23% | 0.54% |
Characteristics
MUST | BMOP | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Columbia Threadneedle Investments | BNY Mellon |
| Benchmark | Beta Advantage Multi-Sector Municipal Bond Index | - |
| N° of holdings | 293 | 237 |
| Asset class | Fixed Income | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 10, 2018 | January 9, 2026 |
| ESG | No | No |
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Exposure
Countries
MUST
USA
43.37%
Other
56.63%
BMOP
USA
42.2%
Other
57.8%
Sectors
MUST
Municipal
43.03%
Other
56.97%
BMOP
Municipal
41.69%
Other
58.31%
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Diversification
MUST
Total weight of top 15 holdings out of 15
6.31%
BMOP
Total weight of top 15 holdings out of 15
9.9%
Top 15 holdings
Data as of August 31, 2026
MUST
Miami-Dade, 5% 1oct2036, USD (2024A)
0.54%
US249182QF65
0.53%
New Jersey Turnpike Authority, 5% 1jan2034, USD (2025)
0.48%
US64985SDE00
0.46%
New York Transportation Development Corp., 4.375% 1oct2045, USD (2020)
0.43%
New York Metropolitan Transportation Authority, 4% 15nov2035, USD (2017C-1)
0.43%
US67766WM740
0.42%
US64972GJ217
0.38%
Chicago O'Hare International Airport, 5% 1jan2048, USD
0.38%
US46247SFR04
0.38%
New Jersey Turnpike Authority, 5% 1jan2036, USD
0.38%
US48504NCC11
0.38%
Illinois Toll Highway Authority, 5% 1jan2038, USD (2024)
0.38%
US73358XHU90
0.37%
US88285AJH23
0.37%
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%
Frequently asked questions about MUST and BMOP
Which ETF is bigger: MUST or BMOP?
As of October 16, 2026, MUST holds $519.09 M in assets under management (AUM), while BMOP manages $1.56 B.
What sectors do the MUST and BMOP ETFs invest in?
MUST leans toward sectors like Municipal. Meanwhile, BMOP focuses on Municipal.
What are the top holdings of the MUST ETF and BMOP ETF?
MUST top holdings include Miami-Dade, 5% 1oct2036, USD (2024A), US249182QF65 and New Jersey Turnpike Authority, 5% 1jan2034, USD (2025). BMOP holds in its top three: US45884AF813, California Community Choice Financing Authority, 5% 1nov2033, USD (2025F) and US052398FE91.
Which ETF is more diversified: MUST or BMOP?
MUST holds 647 securities with 6.31% of its assets in the top 15. BMOP has 667 securities and a top 15 weight of 9.9%.
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