{
  "page": "compare",
  "query": {
    "a": "DMBCX",
    "b": "SEIMX"
  },
  "retrieved_at": "2026-07-07T18:52:04+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": "BNY Mellon Opportunistic Municipal Securities Fund",
    "ticker": "DMBCX",
    "slug": "DMBCX",
    "series_id": "S000000090",
    "html_url": "https://fundwatcher.app/funds/DMBCX/"
  },
  "fund_b": {
    "name": "INTERMEDIATE-TERM MUNICIPAL FUND",
    "ticker": "SEIMX",
    "slug": "SEIMX",
    "series_id": "S000006439",
    "html_url": "https://fundwatcher.app/funds/SEIMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.05945774686865409323039881294",
    "coverage_b_by_a": "0.05945774686865409323039881294",
    "shared_count": 28,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "a_top": [
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        "value": "10277370.00",
        "weight": "0.02369496",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "8689453.60",
        "weight": "0.02003395",
        "shared": true
      },
      {
        "name": "BUCKEYE TOBACCO SETTLEMENT FIN BUCGEN 06/48 FIXED 4",
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        "weight": "0.01458859",
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      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD B/E 5.25000000",
        "value": "5227020.00",
        "weight": "0.01205114",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE   TUNNEL TRBTRN 05/52 FIXED 5.25",
        "value": "5192913.00",
        "weight": "0.01197251",
        "shared": false
      },
      {
        "name": "County of Clark NV 5.00% 06/01/2043",
        "value": "5146417.50",
        "weight": "0.01186531",
        "shared": false
      },
      {
        "name": "UNITED STATES STEEL CORP 5.7% 05-01-53",
        "value": "4880788.32",
        "weight": "0.01125289",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024A-1",
        "value": "4865910.75",
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      },
      {
        "name": "New York Transportation Development Corp., Series 2025, RB",
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      },
      {
        "name": "RESTRUCTURED-SER A1",
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        "weight": "0.01061012",
        "shared": true
      },
      {
        "name": "California Municipal Finance Authority",
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        "shared": false
      },
      {
        "name": "Jefferson (County of), AL, Series 2024, Ref. Revenue Wts.",
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        "shared": false
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      {
        "name": "MI STRAT FND 5% 6/30/2033 @",
        "value": "4055191.53",
        "weight": "0.00934944",
        "shared": false
      },
      {
        "name": "NATGASOLINE LLC 4.625% 10-01-31",
        "value": "3889564.19",
        "weight": "0.00896757",
        "shared": false
      },
      {
        "name": "W VIRGINIA HOSP FIN-A",
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        "weight": "0.00857679",
        "shared": false
      },
      {
        "name": "UNITED AIRLINES INC 4.0% 07-15-29",
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        "weight": "0.00854896",
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      },
      {
        "name": "Montgomery (County of), PA Industrial Development Authority (ACTS Retirement-Life Communities, Inc.), Series 2016, Ref. RB",
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      },
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        "name": "Love Field Airport Modernization Corp",
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        "name": "Port of Portland, Series 29",
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        "weight": "0.00785786",
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      {
        "name": "District of Columbia, Series 2022 A, RB",
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      {
        "name": "UNIV OF CINCINNATI OH RECPTS",
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      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2025B",
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      },
      {
        "name": "DENVER CITY & CNTY CO ARPT REV REGD B/E AMT 5.50000000",
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      },
      {
        "name": "GEORGETOWN-REV",
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      {
        "name": "PIEDMONT MUNI PWR AGY",
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        "weight": "0.00714693",
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      {
        "name": "Pennsylvania Turnpike Commission Oil Franchise Tax Revenue",
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      {
        "name": "WA KINUTL 01/01/2042",
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      {
        "name": "DETROIT MI DOWNTOWN DEV AUTH T REGD B/E 5.00000000",
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      },
      {
        "name": "PUBLIC FIN AUTH WI POLL CONTRO PUBPOL 10/46 ADJUSTABLE VAR",
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        "weight": "0.00679788",
        "shared": false
      },
      {
        "name": "WASHINGTON ST- B",
        "value": "2924946.09",
        "weight": "0.00674360",
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      {
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        "value": "2919778.12",
        "weight": "0.00673169",
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      {
        "name": "ALLENTOWN PA NEIGHBORHOOD IMPT ZONE DEV AUTH TAX REVENUE",
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        "weight": "0.00655642",
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      {
        "name": "Maricopa County Industrial Development Authority, Series 2018 A",
        "value": "2830499.93",
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      {
        "name": "PORT OF SEATTLE WA REVENUE PORT OF SEATTLE WA",
        "value": "2749104.50",
        "weight": "0.00633819",
        "shared": true
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      {
        "name": "Dallas Fort Worth International Airport, Series 2022B",
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        "name": "CLIFTON TX HGR EDU FIN CORP EDU REVENUE",
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        "weight": "0.00612391",
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      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "2631044.00",
        "weight": "0.00606600",
        "shared": true
      },
      {
        "name": "Allegheny County Higher Education Building Authority",
        "value": "2625989.25",
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      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH SALES TAX REVENUE",
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        "weight": "0.00598511",
        "shared": false
      },
      {
        "name": "LOS ANGELES-E-REF",
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        "weight": "0.00587448",
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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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        "weight": "0.00584456",
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      {
        "name": "MMBUTL 5 09/1/2047",
        "value": "2521139.75",
        "weight": "0.00581261",
        "shared": false
      },
      {
        "name": "MD MDSDEV 5.25 06/30/2055",
        "value": "2473726.11",
        "weight": "0.00570329",
        "shared": false
      },
      {
        "name": "BASIS SCHOOLS INC OBLIGATED GROUP 5.375% 07-01-50",
        "value": "2471512.75",
        "weight": "0.00569819",
        "shared": false
      },
      {
        "name": "FLORIDA ST LOCAL GOVT FIN COMMISSION EDUCTNL FACS REVENUE",
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        "weight": "0.00553787",
        "shared": false
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      {
        "name": "FL ST DFC(BRIGHTLINE FL)/AGM 5.25% 7/1/53@",
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        "name": "Wisconsin (State of) Public Finance Authority, Series 2023, RB",
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        "weight": "0.00534927",
        "shared": false
      },
      {
        "name": "IOWA ST FIN AUTH REVENUE REGD B/E 7.25000000",
        "value": "2308612.40",
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    ],
    "b_top": [
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        "name": "SOUTHEAST ENERGY-E",
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        "shared": true
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      {
        "name": "PUBLIC FIN AUTH WI POLL CONTRO REGD V/R B/E 3.70000000",
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        "weight": "0.00686684",
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      {
        "name": "TOBACCO SETTLEMENT FING CORP N TOBACCO SETTLEMENT FINANCING CORP",
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        "weight": "0.00661262",
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      {
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      {
        "name": "PENNSYLVANIA ST ECON DEV FING PENNSYLVANIA ECONOMIC DEVELOPMENT FINANCING AUTHOR",
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        "name": "TOBACCO SETTLEMENT FING CORP V TOBGEN 06/47 ZEROCPNOID 0",
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      },
      {
        "name": "Energy Southeast Cooperative District, Alabama, Energy Supply Revenue Bonds, Series 2025B",
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      {
        "name": "TEXAS ST MUNI GAS ACQUISITION& TEXAS MUNICIPAL GAS ACQUISITION & SUPPLY CORP IV",
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      },
      {
        "name": "KING CO PUB HOSP DT 1",
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        "weight": "0.00499484",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "7812252.77",
        "weight": "0.00496337",
        "shared": false
      },
      {
        "name": "OHIO ST WTR DEV AUTH WTR POLL OHIO WATER DEVELOPMENT AUTHORITY WATER POLLUTION C",
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      },
      {
        "name": "PENNSYLVANIA ST COMMONWEALTH OF PENNSYLVANIA",
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        "name": "SEI DAILY INCOME TRUST GOVERNMENT FUND (#36)",
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      {
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      {
        "name": "MASSACHUSETTS ST COMMONWEALTH OF MASSACHUSETTS",
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        "name": "PENNSYLVANIA ST ECON DEV FING PENNSYLVANIA ECONOMIC DEVELOPMENT FINANCING AUTHOR",
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        "name": "PHILADELPHIA PA AUTH FOR INDLD PHILADELPHIA AUTHORITY FOR INDUSTRIAL DEVELOPMENT",
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      {
        "name": "ARIZONA BRD OF RGTS ARIZONA BOARD OF REGENTS",
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      {
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      {
        "name": "Puerto Rico, General Obligation Bonds, Vintage CW NT Claims Taxable Series 2022",
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      {
        "name": "INTERMOUNTAIN PWR AGY UT PWR S INTERMOUNTAIN POWER AGENCY",
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      {
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      {
        "name": "STRN UT INDN CO 5% 4/1/2035",
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      {
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        "shared": false
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      {
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      {
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        "weight": "0.00376777",
        "shared": false
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      {
        "name": "BLACK BELT ENERGY GAS VAR",
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        "weight": "0.00369354",
        "shared": false
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        "name": "MIAMI-DADE CNTY FL AVIATION REVENUE",
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        "weight": "0.00366961",
        "shared": false
      },
      {
        "name": "TX TRANSPRTN-C-REF",
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        "shared": false
      },
      {
        "name": "VIRGINIA ST PUBLIC BLDG AUTH P VIRGINIA PUBLIC BUILDING AUTHORITY",
        "value": "5663563.40",
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        "shared": false
      },
      {
        "name": "MIDLAND TX INDEP SCH DIST MIDLAND INDEPENDENT SCHOOL DISTRICT",
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      },
      {
        "name": "CHARLOTTE-MECKLENBURG NC HOSP CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY/THE",
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        "weight": "0.00357806",
        "shared": false
      },
      {
        "name": "King & Snohomish Counties School District No 417 Northshore, Series 2024, GO Bonds",
        "value": "5597611.50",
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      {
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        "value": "5551711.50",
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      {
        "name": "RHODE ISLAND ST HLTH & EDUCTNL RHODE ISLAND HEALTH AND EDUCATIONAL BUILDING CORP",
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      },
      {
        "name": "CTR PLN ENG GAS 5% 9/1/2036",
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        "weight": "0.00350462",
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      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "5469043.00",
        "weight": "0.00347465",
        "shared": false
      },
      {
        "name": "NY NYEFAC 07/01/2056",
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        "weight": "0.00340756",
        "shared": true
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "5353498.25",
        "weight": "0.00340124",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "5326957.00",
        "weight": "0.00338438",
        "shared": true
      },
      {
        "name": "PORT AUTH OF NEW YORK & NEW JE PORT AUTHORITY OF NEW YORK & NEW JERSEY",
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      },
      {
        "name": "PIEDMONT SC MUNI PWR AGY ELEC PIEDMONT MUNICIPAL POWER AGENCY",
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      },
      {
        "name": "JEA FL ELEC SYS REVENUE JEA ELECTRIC SYSTEM REVENUE",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-011330",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/797923/000094040026011330/0000940400-26-011330-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002048251-26-003429",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/701817/000204825126003429/0002048251-26-003429-index.htm"
    }
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}