{
  "page": "compare",
  "query": {
    "a": "MUB",
    "b": "VTEC"
  },
  "retrieved_at": "2026-07-07T18:41:13+00:00",
  "disclaimer": "Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them.",
  "attribution": "Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC.",
  "terms": {
    "notice": "Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed.",
    "url": "https://fundwatcher.app/terms/"
  },
  "fund_a": {
    "name": "iShares National Muni Bond ETF",
    "ticker": "MUB",
    "slug": "MUB",
    "series_id": "S000018861",
    "html_url": "https://fundwatcher.app/funds/MUB/"
  },
  "fund_b": {
    "name": "VANGUARD CALIFORNIA TAX-EXEMPT BOND ETF",
    "ticker": "VTEC",
    "slug": "VTEC",
    "series_id": "S000083730",
    "html_url": "https://fundwatcher.app/funds/VTEC/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1082421865757525618413621704",
    "coverage_b_by_a": "0.1082421865757525618413621704",
    "shared_count": 870,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
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      {
        "name": "BLKR-LI MUNI-INS",
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      {
        "name": "Connecticut State Health & Educational Facilities Authority, Series 2017C-4",
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        "name": "NYS TWY PIT 5% 3/15/2048",
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      },
      {
        "name": "HOUSTON TX HGR EDU FIN CORP REGD N/C B/E 5.00000000",
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      {
        "name": "NY ST DORM AUTH PIT 20D SF 4.0% 02-15-47",
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        "name": "OHIO ST UNIV REGD N/C B/E 5.00000000",
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      {
        "name": "STATE OF CALIFORNIA 5.0% 09-01-31",
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      },
      {
        "name": "State of New Jersey, Series 2020A",
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        "name": "Pennsylvania Turnpike Commission, Series 2019-2",
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        "name": "State of Illinois, Series D",
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        "name": "MASSACHUSETTS ST-B",
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        "name": "District of Columbia, Series 2025A",
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        "name": "MA ST 5% 11/1/52",
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      {
        "name": "NEW YORK NY",
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      {
        "name": "CALIFORNIA ST EDUCTNL FACS AUTH REVENUE",
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      {
        "name": "San Diego Unified School District, Series 2020D-2",
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        "name": "Triborough Bridge & Tunnel Authority, Series 2024A",
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      {
        "name": "NJ TRN FD CAB-SER C",
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      {
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        "name": "NYC WTR 5% 6/15/48",
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      {
        "name": "PENNSYLVANIA CMWLTH",
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      {
        "name": "TRIBOROUGH NY BRIDGE   TUNNEL TRBTRN 05/51 FIXED 5",
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      {
        "name": "New York State Thruway Authority, Series 2021A-1",
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        "name": "NY ST THRWY AUTH",
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        "name": "OH WTR DEV AUTH-C",
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      {
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        "name": "Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Variable Rate Series 2020",
        "value": "39250000.00",
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        "name": "Maryland (State of) Stadium Authority (Baltimore City Public Schools), Series 2016, RB",
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      {
        "name": "New Orleans, Louisiana, General Obligation Bonds, Public Improvement Series 2024A",
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        "name": "MA ST-A",
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      {
        "name": "MBTA SLS TAX 5.25% 7/1/2052",
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        "name": "UNIV OF CA REGENTS",
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        "name": "PROSPER TX INDEP SCH DIST REGD OID B/E PSF-GTD 4.00000000",
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      {
        "name": "Ector County, Texas, Certificates of Obligation, Series 2024",
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        "name": "Southern California Public Power Authority, Series A",
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      {
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      {
        "name": "LOS ANGELES UNIF SD-A",
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      {
        "name": "CALIFORNIA ST EDUCTNL FACS AUTH REVENUE",
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      {
        "name": "E CO AWP JT PWRS-A-1",
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      {
        "name": "SAN FRANCISCO USD",
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      {
        "name": "UNIV OF CALIFORNIA CA",
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      {
        "name": "IRVINE CA IMPT BOND ACT 1915",
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      {
        "name": "LOS ANGELES DEPT-C",
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      {
        "name": "BAY AREA TOLL AUTHORI VAR",
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      {
        "name": "University of California, Series 2024 BW, Ref. RB",
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      {
        "name": "Toll Road Sr Lien Refunding RB Series 2021A",
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      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES",
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      {
        "name": "Anaheim Public Financing Authority, California, Lease Revenue Bonds, Public Improvement Project, Series 1997C",
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      {
        "name": "CALIFORNIA ST EDUCTNL FACS AUTH REVENUE",
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      {
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      {
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      {
        "name": "STATE OF CALIFORNIA",
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  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-008205",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126008205/0002071691-26-008205-index.htm"
    },
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}