{
  "page": "compare",
  "query": {
    "a": "IBMP",
    "b": "CMF"
  },
  "retrieved_at": "2026-07-07T18:47:49+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 iBonds Dec 2027 Term Muni Bond ETF",
    "ticker": "IBMP",
    "slug": "IBMP",
    "series_id": "S000065128",
    "html_url": "https://fundwatcher.app/funds/IBMP/"
  },
  "fund_b": {
    "name": "iShares California Muni Bond ETF",
    "ticker": "CMF",
    "slug": "CMF",
    "series_id": "S000019341",
    "html_url": "https://fundwatcher.app/funds/CMF/"
  },
  "overlap": {
    "coverage_a_by_b": "0.01819755823832831863281360698",
    "coverage_b_by_a": "0.01819755823832831863281360698",
    "shared_count": 43,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
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        "name": "State of Michigan, Series 2016",
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      {
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        "value": "2598951.75",
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        "name": "BLKR-LI MUNI-INS",
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      {
        "name": "Round Rock Independent School District, Series 2019 A, Ref. GO Bonds",
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      {
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    ],
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      {
        "name": "LOS ANGELES UNIF SD-A",
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        "name": "San Francisco City & County Airport Comm-San Francisco International Airport",
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        "name": "STATE OF CALIFORNIA",
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      {
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      },
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-007323",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126007323/0002071691-26-007323-index.htm"
    },
    {
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126008204/0002071691-26-008204-index.htm"
    }
  ]
}