ETF comparison
MUB vs SCMB
Both US Municipal Bond.
Holdings overlap
2,422 positions appear in both funds. Buying equal dollars of MUB and SCMB would leave roughly 21.8% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
SCMB is 2 bps cheaper than MUB. On a $100,000 position that's about $20/yr more in fees for MUB.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with MUB vs SCMB.
Top shared holdings
2,422 shared in total| # | Holding | In MUB | In SCMB | Overlap |
|---|---|---|---|---|
| 1 | State of California | 0.12% | 0.15% | 0.12% |
| 2 | Chicago Transit Authority Sales Tax Receipts Fund | 0.11% | 0.14% | 0.11% |
| 3 | New Jersey Transportation Trust Fund Authority | 0.09% | 0.11% | 0.09% |
| 4 | State of Maryland | 0.09% | 0.13% | 0.09% |
| 5 | Commonwealth of Massachusetts | 0.08% | 0.09% | 0.08% |
| 6 | San Antonio Water System | 0.14% | 0.08% | 0.08% |
| 7 | New York State Dormitory Authority | 0.08% | 0.08% | 0.08% |
| 8 | County of Jefferson | 0.08% | 0.08% | 0.08% |
| 9 | State of Washington | 0.07% | 0.10% | 0.07% |
| 10 | University of California | 0.07% | 0.08% | 0.07% |
| 11 | Ohio State University (The) | 0.13% | 0.07% | 0.07% |
| 12 | Commonwealth of Pennsylvania | 0.07% | 0.11% | 0.07% |
Only in MUB
4,231 total- Board of Regents of the University of Texas System 0.19%
- Triborough Bridge & Tunnel Authority 0.14%
- New York City Transitional Finance Authority Future Tax Secured 0.13%
- Northwest Independent School District 0.13%
- State of Washington 0.12%
- Pennsylvania Turnpike Commission 0.12%
- Long Island Power Authority 0.11%
- Orlando Utilities Commission 0.11%
- Washoe County School District 0.11%
- New Jersey Educational Facilities Authority 0.11%
Only in SCMB
4,423 total- Commonwealth of Massachusetts 0.22%
- Gwinnett County School District 0.22%
- Commonwealth of Pennsylvania 0.21%
- State of California Department of Water Resources 0.19%
- State of Washington 0.17%
- New York City Municipal Water Finance Authority 0.17%
- Northwest Independent School District 0.16%
- Indiana Finance Authority 0.15%
- MTA Hudson Rail Yards Trust Obligations 0.15%
- City of New York NY 0.15%
Related comparisons
More comparisons with MUB
- MUB vs PZA · Invesco National AMT-Free Municipal Bond ETF 19.1%
- MUB vs CMF · iShares California Muni Bond ETF 9.0%
- MUB vs SUB · iShares Short-Term National Muni Bond ETF 8.7%
- MUB vs NYF · iShares New York Muni Bond ETF 5.5%
- MUB vs ITM · VanEck Intermediate Muni ETF 3.7%
- MUB vs JMUB · JPMorgan Municipal ETF 3.0%
More comparisons with SCMB
- SCMB vs CMF · iShares California Muni Bond ETF 6.9%
- SCMB vs NYF · iShares New York Muni Bond ETF 5.9%
- SCMB vs SUB · iShares Short-Term National Muni Bond ETF 5.8%
- SCMB vs ITM · VanEck Intermediate Muni ETF 3.8%
- SCMB vs JMUB · JPMorgan Municipal ETF 3.2%
- SCMB vs CGMU · Capital Group Municipal Income ETF 2.6%
Percentages are holdings overlap with the named fund.
Open MUB or SCMB at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.