{
  "page": "compare",
  "query": {
    "a": "OPAMX",
    "b": "FLMB"
  },
  "retrieved_at": "2026-07-07T18:00:57+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 Environmental Focus Municipal Fund",
    "ticker": "OPAMX",
    "slug": "OPAMX",
    "series_id": "S000064634",
    "html_url": "https://fundwatcher.app/funds/OPAMX/"
  },
  "fund_b": {
    "name": "Franklin Municipal Green Bond ETF",
    "ticker": "FLMB",
    "slug": "FLMB",
    "series_id": "S000057880",
    "html_url": "https://fundwatcher.app/funds/FLMB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.05250273728690274161843149788",
    "coverage_b_by_a": "0.05250273728690274161843149788",
    "shared_count": 4,
    "as_of": {
      "a": "2025-11-30",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "NY TRANSPRTN DEV CORP",
        "value": "3120825.30",
        "weight": "0.03797046",
        "shared": false
      },
      {
        "name": "District of Columbia (Green Bonds), Series 2022 A, RB",
        "value": "2868656.50",
        "weight": "0.03490237",
        "shared": false
      },
      {
        "name": "SEATTLE WA MUNI LIGHT & PWR REVENUE",
        "value": "2152273.80",
        "weight": "0.02618628",
        "shared": false
      },
      {
        "name": "City of Atlanta, Series 2025 B-1",
        "value": "2129411.80",
        "weight": "0.02590813",
        "shared": false
      },
      {
        "name": "GEISINGER PA AUTH HLTH SYS REV REGD B/E 4.00000000",
        "value": "2117146.46",
        "weight": "0.02575890",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2025, RB",
        "value": "2116125.20",
        "weight": "0.02574647",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Green Bonds), Series 2021, RB",
        "value": "2109591.41",
        "weight": "0.02566698",
        "shared": true
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD B/E 5.25000000",
        "value": "2107473.60",
        "weight": "0.02564121",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5.25% 11/15/2055",
        "value": "2058343.40",
        "weight": "0.02504345",
        "shared": false
      },
      {
        "name": "NY TRANS CORP(JFK INT NEW ONE)/AGM 5.25% 6/30/60@",
        "value": "2043895.80",
        "weight": "0.02486767",
        "shared": false
      },
      {
        "name": "WA ST ECO DEV 5.625% 12/1/2040 @",
        "value": "2043342.00",
        "weight": "0.02486093",
        "shared": false
      },
      {
        "name": "NOVANT HEALTH OBLIGATED GROUP 5.0% 06-01-55",
        "value": "2020458.00",
        "weight": "0.02458251",
        "shared": false
      },
      {
        "name": "New York (State of) Housing Finance Agency (Green Bonds), Series 2021 D-1, RB",
        "value": "2004841.97",
        "weight": "0.02439251",
        "shared": false
      },
      {
        "name": "MD MDSDEV 5.25 06/30/2055",
        "value": "1991211.00",
        "weight": "0.02422667",
        "shared": false
      },
      {
        "name": "NJ ST EDU AUT 5% 7/1/2037",
        "value": "1899038.57",
        "weight": "0.02310522",
        "shared": false
      },
      {
        "name": "Dakota (County of), MN Community Development Agency (Sanctuary at West St. Paul), Series 2015, RB",
        "value": "1813772.18",
        "weight": "0.02206780",
        "shared": false
      },
      {
        "name": "PUBLIC SERVICE CO OF NEW MEXICO 2.15% 04-01-33",
        "value": "1742181.60",
        "weight": "0.02119677",
        "shared": false
      },
      {
        "name": "LOUISIANA ST LOCAL GOVT ENVRNM REGD B/E 2.50000000",
        "value": "1712451.60",
        "weight": "0.02083506",
        "shared": false
      },
      {
        "name": "CA PCFA WTR FUR 5% 11/21/2045",
        "value": "1670937.84",
        "weight": "0.02032997",
        "shared": false
      },
      {
        "name": "MET TRANSPRTN-B-1",
        "value": "1567211.10",
        "weight": "0.01906794",
        "shared": false
      },
      {
        "name": "TERWILLIGER PLAZA INC OBLIGATED GROUP 4.0% 12-01-51",
        "value": "1548762.40",
        "weight": "0.01884348",
        "shared": true
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD OID B/E 5.25000000",
        "value": "1548309.45",
        "weight": "0.01883797",
        "shared": false
      },
      {
        "name": "GEORGIA POWER CO 2.2% 10-01-32",
        "value": "1539284.60",
        "weight": "0.01872817",
        "shared": false
      },
      {
        "name": "UNITED STATES STEEL CORP 5.45% 09-01-52",
        "value": "1506282.45",
        "weight": "0.01832664",
        "shared": false
      },
      {
        "name": "CAPITAL TRUST AGY FL REVENUE REGD B/E 4.00000000",
        "value": "1484753.60",
        "weight": "0.01806470",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH PAYROLL MOBILITY TAX",
        "value": "1371721.20",
        "weight": "0.01668946",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "1312381.80",
        "weight": "0.01596749",
        "shared": false
      },
      {
        "name": "Atlanta (City of), GA (Beltline), Series 2016 A, Ref. RB",
        "value": "1276898.22",
        "weight": "0.01553576",
        "shared": false
      },
      {
        "name": "Somers (Village of), WI, Series 2018 B, Ref. RB",
        "value": "1235741.49",
        "weight": "0.01503502",
        "shared": false
      },
      {
        "name": "NEW YORK ST PWR AUTH GREEN TRA REGD OID B/E AG 5.12500000",
        "value": "1159834.52",
        "weight": "0.01411147",
        "shared": false
      },
      {
        "name": "St. Paul Port Authority, Series 2007-1",
        "value": "1105799.36",
        "weight": "0.01345404",
        "shared": false
      },
      {
        "name": "Port of Portland, Series 29",
        "value": "1052525.10",
        "weight": "0.01280586",
        "shared": true
      },
      {
        "name": "NYC NY 5.25% 4/1/47",
        "value": "1051789.30",
        "weight": "0.01279691",
        "shared": false
      },
      {
        "name": "City of Chicago, Series 2025A",
        "value": "1050937.20",
        "weight": "0.01278654",
        "shared": false
      },
      {
        "name": "ANAHEIM HSG-A",
        "value": "1048150.90",
        "weight": "0.01275264",
        "shared": false
      },
      {
        "name": "City of Chicago, Series 2021A",
        "value": "1045146.00",
        "weight": "0.01271608",
        "shared": false
      },
      {
        "name": "City of Chicago, Waterworks, Second Lien, Series 2023A",
        "value": "1041171.60",
        "weight": "0.01266773",
        "shared": false
      },
      {
        "name": "NJ ECON DEV AUTH-A",
        "value": "1030131.80",
        "weight": "0.01253341",
        "shared": false
      },
      {
        "name": "WASHINGTON ST HLTH CARE FACS AUTH",
        "value": "1022643.20",
        "weight": "0.01244229",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5% 11/15/2050",
        "value": "1017168.20",
        "weight": "0.01237568",
        "shared": true
      },
      {
        "name": "Maricopa (County of), AZ Industrial Development Authority (Benjamin Franklin Charter School), Series 2018, RB",
        "value": "1008839.30",
        "weight": "0.01227435",
        "shared": false
      },
      {
        "name": "Chicago (City of), IL Park District, Series 2020 D, GO Bonds",
        "value": "1002461.00",
        "weight": "0.01219674",
        "shared": false
      },
      {
        "name": "Chisago (City of), MN (CDL Homes LLC), Series 2013 B, RB",
        "value": "1000058.00",
        "weight": "0.01216751",
        "shared": false
      },
      {
        "name": "PRATT PAPER KY LLC 4.45% 01-01-42",
        "value": "987439.10",
        "weight": "0.01201397",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.00000000",
        "value": "987249.40",
        "weight": "0.01201167",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2024 A",
        "value": "971318.80",
        "weight": "0.01181784",
        "shared": false
      },
      {
        "name": "NEW YORK NY REGD B/E 4.00000000",
        "value": "928034.20",
        "weight": "0.01129121",
        "shared": false
      },
      {
        "name": "Stillwater (City of), MN (Orleans Homes), Series 2007, RB",
        "value": "900027.72",
        "weight": "0.01095046",
        "shared": false
      },
      {
        "name": "COMMONSPIRIT HEALTH OBLIGATED GROUP 4.0% 04-01-49",
        "value": "883202.93",
        "weight": "0.01074575",
        "shared": false
      },
      {
        "name": "SOUTHERN CALIFORNIA EDISON CO 2.4% 06-01-35",
        "value": "853880.60",
        "weight": "0.01038899",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "California Community Choice Financing Authority, Series 2023 E-1",
        "value": "3698327.50",
        "weight": "0.04353542",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FI",
        "value": "3459362.89",
        "weight": "0.04072241",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 C, RB",
        "value": "3344064.63",
        "weight": "0.03936516",
        "shared": false
      },
      {
        "name": "San Diego County Regional Airport Authority, Series 2021B",
        "value": "3307199.28",
        "weight": "0.03893120",
        "shared": false
      },
      {
        "name": "INTERMOUNTAIN PWR AGY",
        "value": "3121660.80",
        "weight": "0.03674710",
        "shared": false
      },
      {
        "name": "Illinois Finance Authority, Series 2023 A",
        "value": "3089995.80",
        "weight": "0.03637435",
        "shared": false
      },
      {
        "name": "CNTRL VLY WTR RECLAMATION FAC UT SWR REVENUE",
        "value": "2862471.37",
        "weight": "0.03369602",
        "shared": false
      },
      {
        "name": "City of Atlanta, Series 2023 E",
        "value": "2510815.98",
        "weight": "0.02955645",
        "shared": false
      },
      {
        "name": "Port of Portland, Series 29",
        "value": "2333837.03",
        "weight": "0.02747312",
        "shared": true
      },
      {
        "name": "Vermont Educational & Health Buildings Financing Agency",
        "value": "2016757.68",
        "weight": "0.02374057",
        "shared": false
      },
      {
        "name": "MARYLAND ST ECON DEV CORP PRIV REGD B/E AMT 5.25000000",
        "value": "2013859.40",
        "weight": "0.02370645",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Green Bonds), Series 2021, RB",
        "value": "1920210.32",
        "weight": "0.02260405",
        "shared": true
      },
      {
        "name": "CENTRL PUGET SOUND WA REGL TRANSIT AUTH SALES TAX & MOTOR VE",
        "value": "1917092.40",
        "weight": "0.02256734",
        "shared": false
      },
      {
        "name": "AMERICAN MUN PW 5% 2/15/2044",
        "value": "1695712.41",
        "weight": "0.01996134",
        "shared": false
      },
      {
        "name": "NY LIBERTY DEV CORP-A",
        "value": "1689735.20",
        "weight": "0.01989097",
        "shared": false
      },
      {
        "name": "NEWARK NJ MASS TRANSIT ACCESS TRANSIT TAX REVENUE",
        "value": "1590994.85",
        "weight": "0.01872864",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH STUDENT HSG REVENUE",
        "value": "1535296.98",
        "weight": "0.01807298",
        "shared": false
      },
      {
        "name": "Massachusetts Housing Finance Agency",
        "value": "1523641.20",
        "weight": "0.01793577",
        "shared": false
      },
      {
        "name": "MINNESOTA ST HGR EDU FACS AUTH REVENUE",
        "value": "1520543.10",
        "weight": "0.01789930",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5% 11/15/2050",
        "value": "1520125.76",
        "weight": "0.01789439",
        "shared": true
      },
      {
        "name": "Santa Cruz County Capital Financing Authority",
        "value": "1498911.30",
        "weight": "0.01764466",
        "shared": false
      },
      {
        "name": "CA ST PUB WKS-D",
        "value": "1411964.10",
        "weight": "0.01662115",
        "shared": false
      },
      {
        "name": "District of Columbia Water & Sewer Authority, Series 2019 A, RB",
        "value": "1410370.18",
        "weight": "0.01660239",
        "shared": false
      },
      {
        "name": "PHILADELPHIA PA ENERGY AUTH",
        "value": "1197573.77",
        "weight": "0.01409742",
        "shared": false
      },
      {
        "name": "Harris (County of), TX Flood Control District (Green Bonds), Series 2022 A, GO Bonds",
        "value": "1144645.56",
        "weight": "0.01347437",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "1071672.71",
        "weight": "0.01261536",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB",
        "value": "1046866.30",
        "weight": "0.01232335",
        "shared": false
      },
      {
        "name": "UNIV HOSPS   CLINICS AUTH WI UNVMED 04/46 FIXED 4",
        "value": "1041584.32",
        "weight": "0.01226117",
        "shared": false
      },
      {
        "name": "School District of Philadelphia/The",
        "value": "1023738.90",
        "weight": "0.01205110",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2022 A",
        "value": "1013478.73",
        "weight": "0.01193032",
        "shared": false
      },
      {
        "name": "Alameda Community Facilities District No. 22-1, California, Alameda Marina, Special Tax Bonds, Green Series 2023",
        "value": "1005953.60",
        "weight": "0.01184174",
        "shared": false
      },
      {
        "name": "Terrebonne Levee & Conservation District Sales Tax Revenue",
        "value": "985988.80",
        "weight": "0.01160672",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST HSG FIN AGY",
        "value": "985129.40",
        "weight": "0.01159660",
        "shared": false
      },
      {
        "name": "CA ST PUB WKS-D",
        "value": "982331.00",
        "weight": "0.01156366",
        "shared": false
      },
      {
        "name": "CA MUNI FIN AUTH",
        "value": "973351.00",
        "weight": "0.01145795",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2022 A",
        "value": "961060.24",
        "weight": "0.01131327",
        "shared": false
      },
      {
        "name": "Vermont (State of) Educational & Health Buildings Financing Agency (University of Vermont Medical Center) (Green Bonds), Series 2016, RB",
        "value": "949297.30",
        "weight": "0.01117480",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & ECON DEV BANK REVENUE",
        "value": "915084.30",
        "weight": "0.01077205",
        "shared": false
      },
      {
        "name": "Louisiana Local Government Environmental Facilities & Community Development Authority, Series 2022",
        "value": "839839.86",
        "weight": "0.00988630",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & ECON DEV BANK REVENUE",
        "value": "833252.60",
        "weight": "0.00980876",
        "shared": false
      },
      {
        "name": "NY LIBERTY DEV 3% 9/15/2043",
        "value": "820367.70",
        "weight": "0.00965708",
        "shared": false
      },
      {
        "name": "Babcock Ranch Community Independent Special District, Series 2020",
        "value": "799366.34",
        "weight": "0.00940986",
        "shared": false
      },
      {
        "name": "Louisiana Local Government Environmental Facilities & Community Development Authority, Series 2021",
        "value": "721705.68",
        "weight": "0.00849567",
        "shared": false
      },
      {
        "name": "NJ ST EDU AUT 5% 7/1/2032",
        "value": "688633.35",
        "weight": "0.00810635",
        "shared": false
      },
      {
        "name": "District of Columbia",
        "value": "602529.20",
        "weight": "0.00709276",
        "shared": false
      },
      {
        "name": "NEWARK NJ BRD OF EDU",
        "value": "599008.18",
        "weight": "0.00705132",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE REGD B/E 4.00000000",
        "value": "578055.61",
        "weight": "0.00680467",
        "shared": false
      },
      {
        "name": "MET TRANSPRTN AUTH NY REVENUE",
        "value": "568639.56",
        "weight": "0.00669383",
        "shared": false
      },
      {
        "name": "PORT OF PORTLAND OR ARPT REVENUE",
        "value": "553531.73",
        "weight": "0.00651598",
        "shared": false
      },
      {
        "name": "OH AMEPWR 4 02/15/2041",
        "value": "546860.45",
        "weight": "0.00643745",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000909466-26-000042",
      "as_of": "2025-11-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/909466/000090946626000042/0000909466-26-000042-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-020746",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1655589/000094040026020746/0000940400-26-020746-index.htm"
    }
  ]
}