{
  "page": "compare",
  "query": {
    "a": "LMUB",
    "b": "IORAX"
  },
  "retrieved_at": "2026-07-07T16:38:25+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 Long-Term National Muni Bond ETF",
    "ticker": "LMUB",
    "slug": "LMUB",
    "series_id": "S000091081",
    "html_url": "https://fundwatcher.app/funds/LMUB/"
  },
  "fund_b": {
    "name": "Invesco AMT-Free Municipal Income Fund",
    "ticker": "IORAX",
    "slug": "IORAX",
    "series_id": "S000064640",
    "html_url": "https://fundwatcher.app/funds/IORAX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.02506218491068822862997835792",
    "shared_count": 8,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "BLKR-LI MUNI-INS",
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        "weight": "0.01196449",
        "shared": false
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        "name": "NY NYCUTL 5.25 06/15/2054",
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        "name": "NJ TRANSPRTN TRUST-BB",
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      },
      {
        "name": "NYC TRANS FIN AUTH",
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        "weight": "0.00850706",
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      {
        "name": "City of San Francisco, Series 2023AB, Sub-Series B",
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        "name": "Tarrant Regional Water District, Series 2025",
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        "name": "CALIFORNIA ST PUBLIC",
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        "name": "GREENVILLE ISD",
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      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD B/E 5.25000000",
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      {
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      {
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      {
        "name": "OMAHA PUB PWR DT-C",
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  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-008194",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126008194/0002071691-26-008194-index.htm"
    },
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/909466/000090946626000151/0000909466-26-000151-index.htm"
    }
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}