{
  "page": "compare",
  "query": {
    "a": "IORAX",
    "b": "LANSX"
  },
  "retrieved_at": "2026-07-07T18:24:24+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": "Invesco AMT-Free Municipal Income Fund",
    "ticker": "IORAX",
    "slug": "IORAX",
    "series_id": "S000064640",
    "html_url": "https://fundwatcher.app/funds/IORAX/"
  },
  "fund_b": {
    "name": "Lord Abbett National Tax-Free Income Fund",
    "ticker": "LANSX",
    "slug": "LANSX",
    "series_id": "S000007537",
    "html_url": "https://fundwatcher.app/funds/LANSX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.08183215600384299714406212305",
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    "as_of": {
      "a": "2026-02-28",
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      {
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      {
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      {
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      {
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      {
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      {
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      {
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        "name": "Louisiana (State of) Public Facilities Authority (I-10 Calcasieu River Bridge), Series 2024, RB",
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      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
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        "name": "NY TRANS CORP(LAGUARDIA GATEW) 5.25% 1/1/50@",
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      {
        "name": "Tender Option Bond Trust Receipts/Certificates",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000909466-26-000151",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/909466/000090946626000151/0000909466-26-000151-index.htm"
    },
    {
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      "accession_no": "0001410368-26-056355",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/737800/000141036826056355/0001410368-26-056355-index.htm"
    }
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}