{
  "page": "compare",
  "query": {
    "a": "MFALX",
    "b": "MFSMX"
  },
  "retrieved_at": "2026-07-07T15:28:10+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": "MFS Alabama Municipal Bond Fund",
    "ticker": "MFALX",
    "slug": "MFALX",
    "series_id": "S000002521",
    "html_url": "https://fundwatcher.app/funds/MFALX/"
  },
  "fund_b": {
    "name": "MFS Maryland Municipal Bond Fund",
    "ticker": "MFSMX",
    "slug": "MFSMX",
    "series_id": "S000002533",
    "html_url": "https://fundwatcher.app/funds/MFSMX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.09194402917344554161064921761",
    "shared_count": 49,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
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      },
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      },
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      {
        "name": "DCH HLTH CARE -A-REV",
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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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      {
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      {
        "name": "WASHINGTON SUBURBAN SANITARY COMMISSION",
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      {
        "name": "COUNTY OF BALTIMORE MD",
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      {
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      {
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      {
        "name": "Maryland Community Development Administration Local Government Infrastructure",
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      {
        "name": "MD CMNTY DEV-D-1",
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      {
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      {
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      {
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      {
        "name": "CALIFORNIA COMMUNITY VAR",
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      {
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      {
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      {
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      {
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        "name": "State of Maryland Department of Transportation, Series 2024 A",
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      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AU",
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      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE",
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        "name": "Maryland Department of Housing & Community Development, Series 2025 D",
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      {
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      {
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      },
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        "name": "Montgomery County Housing Opportunities Commission, Series 2025A",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011427",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011427/0002071691-26-011427-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-011429",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011429/0002071691-26-011429-index.htm"
    }
  ]
}