{
  "page": "compare",
  "query": {
    "a": "MPOLX",
    "b": "MFSCX"
  },
  "retrieved_at": "2026-07-07T18:02:52+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": "MPOLX",
    "slug": "MPOLX",
    "series_id": "S000002521",
    "html_url": "https://fundwatcher.app/funds/MPOLX/"
  },
  "fund_b": {
    "name": "MFS South Carolina Municipal Bond Fund",
    "ticker": "MFSCX",
    "slug": "MFSCX",
    "series_id": "S000002525",
    "html_url": "https://fundwatcher.app/funds/MFSCX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1259804942161218361696593803",
    "coverage_b_by_a": "0.1259804942161218361696593803",
    "shared_count": 56,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
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      },
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      },
      {
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      },
      {
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      {
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      },
      {
        "name": "State of Alabama Docks Department",
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      {
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      },
      {
        "name": "Cherokee County Board of Education",
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        "name": "Special Care Facilities Financing Authority of the City of Pell City Alabama",
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      {
        "name": "Mobile County Board of School Commissioners",
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      {
        "name": "ALABAMA ST HSG FIN AUTH MF TAX REGD N/C B/E 4.45000000",
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      },
      {
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      {
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      },
      {
        "name": "DCH HLTH CARE -A-REV",
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      },
      {
        "name": "HLTH CARE AUTH FOR BAPTIST HLT HLTMED 11/37 FIXED 5",
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      {
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      {
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      {
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      {
        "name": "ALABAMA ST HSG FIN AUTH SF MTG REGD B/E GNMA/FN 5.75000000",
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      {
        "name": "AL HSG 6% 4/1/2055",
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      {
        "name": "Birmingham-Jefferson Civic Center Authority, Series 2023A",
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      {
        "name": "Alabama Community College System, Series 2025",
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      {
        "name": "JACKSONVILLE PUBLIC EDUCTNL BLDG AUTH",
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        "name": "Prattville Waterworks Board, Series 2023",
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      {
        "name": "Harvest-Monrovia Water Sewer & Fire Protection Authority, Inc., Series 2025",
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      {
        "name": "Lauderdale County Agriculture Center Authority, Series 2024",
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      {
        "name": "UNIV SOUTH AL 5% 4/1/2049",
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      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
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      },
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      {
        "name": "Alabama Community College System, Series 2024",
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        "name": "Cullman City Board of Education",
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      {
        "name": "Limestone County Water & Sewer Authority, Series 2024",
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      {
        "name": "City of Clanton",
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      {
        "name": "Jacksonville Public Educational Building Authority",
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      {
        "name": "Enterprise Board of Education",
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      {
        "name": "City of Gadsden AL",
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      {
        "name": "MONTGOMERY WTRWORKS",
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    "b_top": [
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        "name": "MFS Institutional Money Market Portfolio, Class A",
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      {
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      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
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      },
      {
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      {
        "name": "SOUTH CAROLINA ST PORTS AUTH PORTS REVENUE",
        "value": "3032784.60",
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      {
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      {
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      {
        "name": "SPARTANBURG SC REGL HLTH SVCS DIST INC HOSP REVENUE",
        "value": "2790276.30",
        "weight": "0.01162751",
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      },
      {
        "name": "SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE",
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      {
        "name": "CHARLESTON SC HSG AUTH REVENUE REGD B/E HUD SEC 5.00000000",
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      },
      {
        "name": "City of Columbia, Series 2023A",
        "value": "2426839.52",
        "weight": "0.01011301",
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      {
        "name": "Woodruff Facilities Corp., Series 2025",
        "value": "2375773.30",
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      },
      {
        "name": "Medical University Hospital Authority, An Agency of The State of south Carolina FHA Insured Hospital Mortgage, Indian Land Project",
        "value": "2244911.54",
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      {
        "name": "South Carolina State Housing Finance and Development Authority, Series 2026A",
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      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC A SOUTH CAROLINA PUBLIC SERVICE AUTHORITY",
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      {
        "name": "PATRIOTS EN GRP 5.25% MT",
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      {
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      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE",
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      {
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      {
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      {
        "name": "GREENVILLE-SPARTANBURG SC ARPT DIST ARPT SYS REVENUE",
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      {
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      {
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      {
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      {
        "name": "SC MDUMED 5.25 11/15/2050",
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      {
        "name": "Corp. ForGreer, Series 2025",
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      {
        "name": "CHARLSTN SC ARP 5.25% 7/1/2054",
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      {
        "name": "Spartanburg County School District No. 7",
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      {
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      {
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      {
        "name": "South Carolina Jobs-Economic Development Authority, Series 2025",
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      {
        "name": "NORTH CHRLTN SC 5% 10/1/2040",
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      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH ECON DEV REVENUE",
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      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTHCARE REVENUE",
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      {
        "name": "South Carolina State Housing Finance & Development Authority, Series M TEMS BDS 2023 A FN",
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      {
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      {
        "name": "HORRY CNTY S C 4.50% 9/1/2052",
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      },
      {
        "name": "College of Charleston, Series 2025A",
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      },
      {
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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": "0002071691-26-011434",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751656/000207169126011434/0002071691-26-011434-index.htm"
    }
  ]
}