{
  "page": "compare",
  "query": {
    "a": "EMAIX",
    "b": "EACAX"
  },
  "retrieved_at": "2026-07-07T18:17:28+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": "Eaton Vance Short Duration Municipal Opportunities Fund",
    "ticker": "EMAIX",
    "slug": "EMAIX",
    "series_id": "S000004826",
    "html_url": "https://fundwatcher.app/funds/EMAIX/"
  },
  "fund_b": {
    "name": "Eaton Vance California Municipal Opportunities Fund",
    "ticker": "EACAX",
    "slug": "EACAX",
    "series_id": "S000004860",
    "html_url": "https://fundwatcher.app/funds/EACAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.05550686278486873351586016402",
    "coverage_b_by_a": "0.05550686278486873351586016402",
    "shared_count": 16,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "BLACK BELT ENERGY GAS DIST ALGAS PREPAY REVENUE",
        "value": "14984461.50",
        "weight": "0.01820531",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "10589660.00",
        "weight": "0.01286587",
        "shared": false
      },
      {
        "name": "DENVER CITY & CNTY CO ARPT REVENUE",
        "value": "7745727.34",
        "weight": "0.00941064",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 1.1% 07-01-29",
        "value": "7719667.28",
        "weight": "0.00937898",
        "shared": false
      },
      {
        "name": "MA ST DEV FIN AGY-A-1",
        "value": "7346138.35",
        "weight": "0.00892516",
        "shared": false
      },
      {
        "name": "King (County of), WA, Series 2025, RB",
        "value": "7250000.00",
        "weight": "0.00880836",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "6895833.75",
        "weight": "0.00837807",
        "shared": true
      },
      {
        "name": "DENVER CITY & CNTY CO ARPT REVENUE",
        "value": "6611500.62",
        "weight": "0.00803262",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "6544275.49",
        "weight": "0.00795094",
        "shared": true
      },
      {
        "name": "State of California, Series 2022",
        "value": "6452162.84",
        "weight": "0.00783903",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "6405953.77",
        "weight": "0.00778289",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA REVENUES",
        "value": "6100000.00",
        "weight": "0.00741117",
        "shared": true
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR PUERTO RICO SALES TAX FINANCING CORP SALES TAX REV",
        "value": "5846947.96",
        "weight": "0.00710373",
        "shared": false
      },
      {
        "name": "COMMONSPIRIT",
        "value": "5639861.59",
        "weight": "0.00685213",
        "shared": false
      },
      {
        "name": "UNIV OF CONNECTICUT CT",
        "value": "5626085.57",
        "weight": "0.00683539",
        "shared": false
      },
      {
        "name": "PASCO SD #1-REF",
        "value": "5596976.00",
        "weight": "0.00680002",
        "shared": false
      },
      {
        "name": "New York (City of), NY Municipal Water Finance Authority, Series 2010 DD, VRD RB",
        "value": "5395000.00",
        "weight": "0.00655463",
        "shared": false
      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE",
        "value": "5366146.17",
        "weight": "0.00651958",
        "shared": false
      },
      {
        "name": "UNITED AIRLINES INC 4.0% 07-15-29",
        "value": "5354621.60",
        "weight": "0.00650558",
        "shared": true
      },
      {
        "name": "CALIFORNIA ST PUBLIC WKS BRD LEASE REVENUE",
        "value": "5302706.19",
        "weight": "0.00644250",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH MF HSG REVENUE",
        "value": "5021374.00",
        "weight": "0.00610070",
        "shared": true
      },
      {
        "name": "RACINE WI",
        "value": "5006332.00",
        "weight": "0.00608242",
        "shared": false
      },
      {
        "name": "GRAND PRAIRIE TX INDEP SCH DIST",
        "value": "5000999.00",
        "weight": "0.00607594",
        "shared": false
      },
      {
        "name": "NEW YORK ST HSG FIN AGY",
        "value": "5000000.00",
        "weight": "0.00607473",
        "shared": false
      },
      {
        "name": "EP TUSCANY ZARAGOSA PFC TX EPTMFH 12/33 FIXED OID 4",
        "value": "4980598.25",
        "weight": "0.00605116",
        "shared": false
      },
      {
        "name": "STATE OF NEW JERSEY NJS 06/27 FIXED 2",
        "value": "4944932.00",
        "weight": "0.00600783",
        "shared": false
      },
      {
        "name": "NEW YORK CITY NY HSG DEV CORP MF MTGE REVENUE",
        "value": "4829484.50",
        "weight": "0.00586756",
        "shared": false
      },
      {
        "name": "MIAMI-DADE CNTY FL SEAPORT REVENUE",
        "value": "4798522.46",
        "weight": "0.00582995",
        "shared": false
      },
      {
        "name": "Development Authority of Burke County (The), Series 2009-1",
        "value": "4750000.00",
        "weight": "0.00577099",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & ECON DEV BANK REVENUE",
        "value": "4748602.55",
        "weight": "0.00576930",
        "shared": true
      },
      {
        "name": "SAN JACINTO TX CMNTY CLG DIST",
        "value": "4666984.90",
        "weight": "0.00567014",
        "shared": false
      },
      {
        "name": "TRIMBLE KY PCR 0% 9/1/2044 @ MT",
        "value": "4605294.10",
        "weight": "0.00559518",
        "shared": false
      },
      {
        "name": "Utah Transit Authority, Series 2025, RB",
        "value": "4550580.80",
        "weight": "0.00552871",
        "shared": false
      },
      {
        "name": "GREAT LAKES WTR-A-REF",
        "value": "4479163.60",
        "weight": "0.00544194",
        "shared": false
      },
      {
        "name": "DALLAS ISD-A",
        "value": "4457882.40",
        "weight": "0.00541609",
        "shared": false
      },
      {
        "name": "HOUSTON TX ARPT SYS REVENUE",
        "value": "4397858.80",
        "weight": "0.00534316",
        "shared": false
      },
      {
        "name": "Lancaster County Hospital Authority, Series 2016 B",
        "value": "4332235.29",
        "weight": "0.00526343",
        "shared": false
      },
      {
        "name": "GRAND PRAIRIE TX INDEP SCH DIST",
        "value": "4287779.68",
        "weight": "0.00520942",
        "shared": false
      },
      {
        "name": "TAMALPAIS CA UNION HIGH SCH DIST",
        "value": "4213680.00",
        "weight": "0.00511939",
        "shared": true
      },
      {
        "name": "CHICAGO IL BRD OF EDU",
        "value": "4147383.20",
        "weight": "0.00503885",
        "shared": false
      },
      {
        "name": "KELLER TX INDEP SCH DIST",
        "value": "4107032.56",
        "weight": "0.00498982",
        "shared": false
      },
      {
        "name": "LONG ISLAND PWR AUTH",
        "value": "4077816.40",
        "weight": "0.00495433",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Public Utilities Commission, Series 2016, Ref. RB",
        "value": "4068098.32",
        "weight": "0.00494252",
        "shared": true
      },
      {
        "name": "MI STRAT FND 4% MT@",
        "value": "4000368.00",
        "weight": "0.00486023",
        "shared": false
      },
      {
        "name": "STATE OF HAWAII DEPARTMENT OF BUDGET & FINANCE 3.1% 05-01-26",
        "value": "3999874.40",
        "weight": "0.00485963",
        "shared": false
      },
      {
        "name": "Louisville/Jefferson County Metropolitan Government, Series 2005 A",
        "value": "3980856.80",
        "weight": "0.00483653",
        "shared": false
      },
      {
        "name": "State of Connecticut, Series A",
        "value": "3958135.03",
        "weight": "0.00480892",
        "shared": false
      },
      {
        "name": "Ventura County Community College District, Series 2008C",
        "value": "3955486.65",
        "weight": "0.00480570",
        "shared": false
      },
      {
        "name": "Black Belt Energy Gas District",
        "value": "3915264.00",
        "weight": "0.00475684",
        "shared": false
      },
      {
        "name": "Seattle (Port of), WA, Series 2015 C, RB",
        "value": "3901743.30",
        "weight": "0.00474041",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "20048998.13",
        "weight": "0.01930690",
        "shared": true
      },
      {
        "name": "Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Subordinate Lien Series 2018A",
        "value": "17664217.95",
        "weight": "0.01701039",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH REVENUE",
        "value": "14313328.80",
        "weight": "0.01378353",
        "shared": false
      },
      {
        "name": "FONTANA UNIF SD-A",
        "value": "13745982.13",
        "weight": "0.01323718",
        "shared": false
      },
      {
        "name": "San Francisco (City & County of), CA Public Utilities Commission, Series 2016, Ref. RB",
        "value": "13041554.91",
        "weight": "0.01255883",
        "shared": true
      },
      {
        "name": "CALIFORNIA ST ENTERPRISE DEV AUTH REVENUE",
        "value": "12153697.50",
        "weight": "0.01170384",
        "shared": false
      },
      {
        "name": "Cupertino Union School District, Series A",
        "value": "11664089.58",
        "weight": "0.01123235",
        "shared": false
      },
      {
        "name": "MONTEREY PENINSULA CA UNIF SCH DIST",
        "value": "11151827.04",
        "weight": "0.01073905",
        "shared": false
      },
      {
        "name": "VENTURA UNIF SD-B",
        "value": "10941157.16",
        "weight": "0.01053618",
        "shared": false
      },
      {
        "name": "SANTA MONICA-MALIBU CA UNIF SCH DIST",
        "value": "10893542.84",
        "weight": "0.01049033",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA",
        "value": "10792051.00",
        "weight": "0.01039259",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "10754365.00",
        "weight": "0.01035630",
        "shared": false
      },
      {
        "name": "CA ST UNIV-A-REF",
        "value": "10741629.00",
        "weight": "0.01034403",
        "shared": false
      },
      {
        "name": "Chaffey Joint Union High School District, Series B",
        "value": "10525360.99",
        "weight": "0.01013577",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT ARPT",
        "value": "10487565.00",
        "weight": "0.01009937",
        "shared": false
      },
      {
        "name": "UNITED AIRLINES INC 4.0% 07-15-29",
        "value": "10167257.13",
        "weight": "0.00979092",
        "shared": true
      },
      {
        "name": "SAN MARCOS USD-A",
        "value": "10132754.28",
        "weight": "0.00975770",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST ENTERPRISE DEV AUTH REVENUE",
        "value": "10128116.71",
        "weight": "0.00975323",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH MF HSG REVENUE",
        "value": "10042748.00",
        "weight": "0.00967102",
        "shared": true
      },
      {
        "name": "San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2023 C, Ref. RB",
        "value": "10036078.95",
        "weight": "0.00966460",
        "shared": false
      },
      {
        "name": "W VLY-MISSION CMNTY",
        "value": "9487249.42",
        "weight": "0.00913608",
        "shared": false
      },
      {
        "name": "CA TXB-VAR PURP",
        "value": "9196783.20",
        "weight": "0.00885637",
        "shared": true
      },
      {
        "name": "SAN JOSE USD-A",
        "value": "9110033.10",
        "weight": "0.00877283",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "9091040.40",
        "weight": "0.00875454",
        "shared": false
      },
      {
        "name": "Sacramento County, CA Airport System Rev. A, AMT",
        "value": "8776614.24",
        "weight": "0.00845175",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB",
        "value": "8406336.39",
        "weight": "0.00809518",
        "shared": true
      },
      {
        "name": "MOUNTAIN VIEW-WHISMAN CA SCH DIST",
        "value": "8406267.85",
        "weight": "0.00809512",
        "shared": false
      },
      {
        "name": "TAMALPAIS CA UNION HIGH SCH DIST",
        "value": "8288371.27",
        "weight": "0.00798158",
        "shared": false
      },
      {
        "name": "BEVERLY HILLS UNIF SD",
        "value": "8282296.99",
        "weight": "0.00797573",
        "shared": false
      },
      {
        "name": "SANTA MONICA MALIBU UNIFIED SCHOOL DISTRICT",
        "value": "8067342.32",
        "weight": "0.00776873",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "7995186.64",
        "weight": "0.00769925",
        "shared": false
      },
      {
        "name": "PAJARO VLY CA UNIF SCH DIST",
        "value": "7748014.78",
        "weight": "0.00746123",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST MUNI FIN AUTH REVENUE",
        "value": "7709683.10",
        "weight": "0.00742431",
        "shared": false
      },
      {
        "name": "SAN FRANCISCO CA BAY AREA RAPID TRANSIT DIST",
        "value": "7695207.10",
        "weight": "0.00741037",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series 2025G",
        "value": "7582323.70",
        "weight": "0.00730167",
        "shared": false
      },
      {
        "name": "SAN DIEGO CNTY CA REGL ARPT AUTH AIRPORT REVENUE",
        "value": "7560795.71",
        "weight": "0.00728094",
        "shared": false
      },
      {
        "name": "SACRAMENTO USD-C",
        "value": "7436321.27",
        "weight": "0.00716107",
        "shared": false
      },
      {
        "name": "GLENDALE CA UNIF SCH DIST",
        "value": "7346437.91",
        "weight": "0.00707451",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series C",
        "value": "7267803.20",
        "weight": "0.00699879",
        "shared": true
      },
      {
        "name": "SAN DIEGO CNTY CA REGL ARPT AUTH AIRPORT REVENUE",
        "value": "7190874.50",
        "weight": "0.00692471",
        "shared": false
      },
      {
        "name": "SAN JOAQUIN HILLS CA TRANSPRTN CORRIDOR AGY TOLL ROAD REV",
        "value": "6936018.75",
        "weight": "0.00667929",
        "shared": false
      },
      {
        "name": "LOS ANGELES USD-A",
        "value": "6586868.38",
        "weight": "0.00634306",
        "shared": false
      },
      {
        "name": "PASADENA CA PENSION OBLIG",
        "value": "6396381.60",
        "weight": "0.00615962",
        "shared": false
      },
      {
        "name": "LONG BEACH CA UNIF SCH DIST",
        "value": "6309190.44",
        "weight": "0.00607566",
        "shared": false
      },
      {
        "name": "CULVER CITY CA UNIF SCH DIST",
        "value": "6091210.21",
        "weight": "0.00586575",
        "shared": false
      },
      {
        "name": "LOMA LINDA UNIVERSITY MEDICAL CENTER OBLIGATED GROUP 5.5% 12-01-54",
        "value": "6058257.04",
        "weight": "0.00583401",
        "shared": false
      },
      {
        "name": "CA ST MUNI FIN AUTH-A",
        "value": "6037419.70",
        "weight": "0.00581395",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "5995734.45",
        "weight": "0.00577381",
        "shared": false
      },
      {
        "name": "Peralta Community College District",
        "value": "5840000.00",
        "weight": "0.00562384",
        "shared": false
      },
      {
        "name": "SAN FRANCISCO CA BAY AREA RAPID TRANSIT DIST",
        "value": "5831733.60",
        "weight": "0.00561588",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-050780",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/779991/000141036826050780/0001410368-26-050780-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-050795",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/778365/000141036826050795/0001410368-26-050795-index.htm"
    }
  ]
}