{
  "page": "compare",
  "query": {
    "a": "ABTHX",
    "b": "AMHIX"
  },
  "retrieved_at": "2026-07-07T17:59:42+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": "AB High Income Municipal Portfolio",
    "ticker": "ABTHX",
    "slug": "ABTHX",
    "series_id": "S000027380",
    "html_url": "https://fundwatcher.app/funds/ABTHX/"
  },
  "fund_b": {
    "name": "American High-Income Municipal Bond Fund",
    "ticker": "AMHIX",
    "slug": "AMHIX",
    "series_id": "S000009229",
    "html_url": "https://fundwatcher.app/funds/AMHIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1081843323025437237741667433",
    "coverage_b_by_a": "0.1081843323025437237741667426",
    "shared_count": 213,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-01-31"
    },
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        "weight": "0.01544618",
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      },
      {
        "name": "AB Fixed Income Shares, Inc. - Government Money Market Portfolio",
        "value": "33723046.92",
        "weight": "0.01174855",
        "shared": false
      },
      {
        "name": "PUBLIC FIN AUTH WI REVENUE",
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        "weight": "0.00896527",
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      },
      {
        "name": "VIRGINIA TOBACCO SENIOR-SER B1",
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        "weight": "0.00767306",
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      },
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        "weight": "0.00715533",
        "shared": true
      },
      {
        "name": "OH BUCGEN 5 06/01/2055",
        "value": "19796493.15",
        "weight": "0.00689677",
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      },
      {
        "name": "BRISTOL TN INDL DEV BRD ST SALES TAX REVENUE",
        "value": "19089685.54",
        "weight": "0.00665053",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 7/1/41 @",
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        "name": "NFA 2022-1 A 4.375% 09-20-36",
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      },
      {
        "name": "RESTRUCTURED-CABS-SER",
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      },
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        "name": "Carrollton-Farmers Branch Independent School District, Series 2025, GO Bonds",
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      },
      {
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      },
      {
        "name": "MANSFIELD TX INDEP SCH DIST",
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      },
      {
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      {
        "name": "ARKANSAS ST DEV FIN AUTH INDL REGD B/E AMT 7.37500000",
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        "name": "GOLDEN ST TOBACCO SECURITIZATI REGD ZCP OID B/E 0.00000000",
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      },
      {
        "name": "CHICAGO IL BRD OF EDU REGD OID B/E 5.50000000",
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      {
        "name": "Wisconsin (State of) Center District, Series 2020 D, RB",
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        "name": "ALIGN CAP SER 2021-3 TRUST",
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        "name": "METROPOLITAN PIER & EXPOSITION AUTHORITY",
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      {
        "name": "MARYLAND ST STADIUM AUTH REVENUE",
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        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.25000000",
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      },
      {
        "name": "City of Atlanta, Series 2023 E",
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      {
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      {
        "name": "University of California, Series 2026 CE",
        "value": "12259428.00",
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      {
        "name": "NY TRANS CORP 5.50% 6/30/2054 @",
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      {
        "name": "SCRANTON-LACKAWANNA PA HLTH & WELFARE AUTH",
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      {
        "name": "NH NFADEV 4.12 01/20/2034",
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        "value": "11942101.06",
        "weight": "0.00416043",
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      },
      {
        "name": "PUBLIC FIN AUTH WI REVENUE REGD OID B/E 4.00000000",
        "value": "11875747.95",
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      {
        "name": "California Community Housing Agency, Series A-1",
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        "weight": "0.00403533",
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      {
        "name": "LOS ANGELES-C-REF",
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      {
        "name": "Black Belt Energy Gas District",
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      {
        "name": "DALLAS-FORT WORTH TX INTERNATI REGD B/E AMT 5.00000000",
        "value": "11369806.00",
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      {
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      },
      {
        "name": "OU MEDICINE OBLIGATED GROUP 5.5% 08-15-57",
        "value": "11308977.36",
        "weight": "0.00393986",
        "shared": true
      },
      {
        "name": "NEW HAMPSHIRE ST HLTH & EDU FACS AUTH REVENUE",
        "value": "11255734.31",
        "weight": "0.00392131",
        "shared": false
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      {
        "name": "Central Valley Energy Authority, Series 2026",
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      {
        "name": "Public Energy Auth. of Kentucky Gas Supply Rev. Refg. C",
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      {
        "name": "PLEASANTON USD",
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      {
        "name": "SOUTHEAST ENERGY-E",
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        "shared": false
      },
      {
        "name": "AL BBEUTL 5 07/01/2033",
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        "weight": "0.00377720",
        "shared": false
      },
      {
        "name": "SAN ANTONIO TX ELEC & GAS REVE REGD B/E 5.25000000",
        "value": "10807369.00",
        "weight": "0.00376511",
        "shared": false
      },
      {
        "name": "Salt River Project Agricultural Improvement & Power District, Series 2025, RB",
        "value": "10759972.00",
        "weight": "0.00374860",
        "shared": false
      },
      {
        "name": "THE CHILDRENS TRUST FUND PR TO CHIGEN 05/57 ZEROCPNOID 0",
        "value": "10757341.50",
        "weight": "0.00374768",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 C, RB",
        "value": "10746832.00",
        "weight": "0.00374402",
        "shared": false
      },
      {
        "name": "MBTA SLS TAX 5.25% 7/1/55",
        "value": "10738695.00",
        "weight": "0.00374118",
        "shared": false
      },
      {
        "name": "Phoenix Industrial Development Authority, Arizona, Education Facility Revenue Bonds, Great Hearts Academies Project, Series 2014A",
        "value": "10699838.01",
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      }
    ],
    "b_top": [
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      },
      {
        "name": "WASTE PRO USA INC 3.0% 06-01-32",
        "value": "46753240.20",
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      {
        "name": "BIG RIVER STEEL LLC 4.5% 09-01-49",
        "value": "46734163.64",
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      },
      {
        "name": "UIPA CROSSROADS PUBLIC INFRASTRUCTURE DISTRICT AJL PROJECT AREA 4.375% 06-01-52",
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      {
        "name": "Wisconsin (State of) Public Finance Authority, Series 2023 B, RB",
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        "name": "CSCDA COMMUNITY IMPROVEMENT AUTHORITY UNION SOUTH BAY 4.0% 07-01-56",
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      },
      {
        "name": "NEW YORK NY REGD V/R B/E 2.65000000",
        "value": "41800000.00",
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      {
        "name": "HM Metropolitan District No. 2, Series 2021, GO Bonds",
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      {
        "name": "EDUCATIONAL GROWTH FUND LLC 5.0% 07-01-56",
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      {
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      {
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      {
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      },
      {
        "name": "Montgomery (County of), MD, Series 2017, GO Bonds",
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      },
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      {
        "name": "RESTRUCTURED-SER A1",
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      {
        "name": "Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series B",
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      {
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      {
        "name": "WA ST HSG FIN COMMN-1",
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      {
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      {
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      },
      {
        "name": "NY TRANSPRTN DEV -AMT",
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      {
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      {
        "name": "FREDDIE MAC MULTIFAMILY ML CERTIFICATES SER 2024-ML26 CL A V/R 3.26001000",
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      {
        "name": "PALISADE PARK NORTH METROPOLITAN DISTRICT NO 3 5.5% 12-01-51",
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      {
        "name": "Tender Option Bond Trust Receipts/Certificates",
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      },
      {
        "name": "STATE OF HAWAII DEPARTMENT OF BUDGET & FINANCE 4.0% 03-01-37",
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      },
      {
        "name": "LONGS PEAK METROPOLITAN DISTRICT 5.25% 12-01-51",
        "value": "29712834.72",
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      },
      {
        "name": "TOWN OF LITTLE ELM TX SPIRITAS RANCH PUBLIC IMPROVEMENT DISTRICT 5.375% 09-01-51",
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      },
      {
        "name": "AM BIDCO OPERATIONS LLC PIK TL 1ST LIEN 8.5% 10-21-27",
        "value": "29561841.69",
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      },
      {
        "name": "CSCDA Community Improvement Authority, Series 2021 A",
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      {
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      },
      {
        "name": "LOUISIANA ST LOCAL GOVT ENVRNM REGD B/E 2.50000000",
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        "weight": "0.00210186",
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      },
      {
        "name": "BUCKLEY METROPOLITAN DISTRICT NO 2 6.0% 12-01-51",
        "value": "28818244.80",
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      },
      {
        "name": "BROOKLYN EVENTS CENTER LLC 5.0% 07-15-42",
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      },
      {
        "name": "UNITED AIRLINES INC 5.25% 07-15-34",
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      },
      {
        "name": "Rampart Range Metropolitan District No. 5, Series 2021, RB",
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        "name": "New Hampshire (State of) Business Finance Authority (Social Bonds), Series 2022-2A, RB",
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      {
        "name": "RIVERSIDE HEALTHCARE ASSOCIATION OBLIGATED GROUP 5.33% 07-01-45",
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      {
        "name": "California Community Housing Agency, Series 2021 A-2",
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      {
        "name": "TX EXXON 12 G=EXXON V1",
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      },
      {
        "name": "LOUDOUN IDA VAR-C-HOW",
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      },
      {
        "name": "NY TRANS CORP(LAGUARDIA GATEW) 5.25% 1/1/50@",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-040411",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/798737/000141036826040411/0001410368-26-040411-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001193125-26-130883",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/925950/000119312526130883/0001193125-26-130883-index.htm"
    }
  ]
}