{
  "page": "compare",
  "query": {
    "a": "CLDAX",
    "b": "CUBAX"
  },
  "retrieved_at": "2026-07-07T17:13:48+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": "Calvert Core Bond Fund",
    "ticker": "CLDAX",
    "slug": "CLDAX",
    "series_id": "S000005151",
    "html_url": "https://fundwatcher.app/funds/CLDAX/"
  },
  "fund_b": {
    "name": "Calvert Flexible Bond Fund",
    "ticker": "CUBAX",
    "slug": "CUBAX",
    "series_id": "S000046839",
    "html_url": "https://fundwatcher.app/funds/CUBAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3847489694807632046891262939",
    "coverage_b_by_a": "0.3847489694807632046891262939",
    "shared_count": 139,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "FNCL 5 4/26",
        "value": "146384463.77",
        "weight": "0.10406714",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "81832429.21",
        "weight": "0.05817603",
        "shared": false
      },
      {
        "name": "MSILF-GOVT-INS",
        "value": "75310528.54",
        "weight": "0.05353950",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "36252230.19",
        "weight": "0.02577231",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "34067230.28",
        "weight": "0.02421896",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "24094431.47",
        "weight": "0.01712913",
        "shared": false
      },
      {
        "name": "FR SD8493",
        "value": "18732455.74",
        "weight": "0.01331721",
        "shared": true
      },
      {
        "name": "FN MA5531",
        "value": "18290846.29",
        "weight": "0.01300327",
        "shared": true
      },
      {
        "name": "Nykredit Realkredit A/S, Series 01E",
        "value": "17534863.58",
        "weight": "0.01246583",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "16609785.75",
        "weight": "0.01180817",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "14668344.43",
        "weight": "0.01042797",
        "shared": true
      },
      {
        "name": "EUROPEAN INVT BK",
        "value": "12891134.23",
        "weight": "0.00916452",
        "shared": false
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "12543729.56",
        "weight": "0.00891755",
        "shared": true
      },
      {
        "name": "BANK OF AMER CRP",
        "value": "11037391.75",
        "weight": "0.00784666",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10932814.05",
        "weight": "0.00777232",
        "shared": true
      },
      {
        "name": "FR SD8474",
        "value": "10790441.59",
        "weight": "0.00767110",
        "shared": true
      },
      {
        "name": "UMBS, 30 Year",
        "value": "10577436.00",
        "weight": "0.00751967",
        "shared": true
      },
      {
        "name": "FR SD8475",
        "value": "10553507.74",
        "weight": "0.00750266",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "10364194.92",
        "weight": "0.00736808",
        "shared": false
      },
      {
        "name": "FR RQ0049",
        "value": "10096289.52",
        "weight": "0.00717762",
        "shared": true
      },
      {
        "name": "FNCL 5.5 4/26",
        "value": "9197708.63",
        "weight": "0.00653880",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "9118106.01",
        "weight": "0.00648221",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "9004324.24",
        "weight": "0.00640132",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8949620.52",
        "weight": "0.00636243",
        "shared": true
      },
      {
        "name": "FR SD8515",
        "value": "8571224.73",
        "weight": "0.00609343",
        "shared": true
      },
      {
        "name": "FN MA5614",
        "value": "8319422.78",
        "weight": "0.00591442",
        "shared": true
      },
      {
        "name": "INT BK RECON&DEV",
        "value": "8018038.16",
        "weight": "0.00570016",
        "shared": false
      },
      {
        "name": "HA SUST INF CAP",
        "value": "7508149.28",
        "weight": "0.00533767",
        "shared": true
      },
      {
        "name": "FNMA 30YR 5% 01/01/2054#CB7925",
        "value": "7280274.46",
        "weight": "0.00517567",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7115625.00",
        "weight": "0.00505862",
        "shared": false
      },
      {
        "name": "FR SD8494",
        "value": "6720807.88",
        "weight": "0.00477793",
        "shared": true
      },
      {
        "name": "EXP-IMP BK KOREA",
        "value": "6717391.83",
        "weight": "0.00477551",
        "shared": false
      },
      {
        "name": "FNA 2019-M1 A2",
        "value": "6386677.79",
        "weight": "0.00454040",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6175871.06",
        "weight": "0.00439053",
        "shared": false
      },
      {
        "name": "UMBS Pool, 30 Year",
        "value": "6101747.29",
        "weight": "0.00433783",
        "shared": true
      },
      {
        "name": "BANK OF AMER CRP",
        "value": "6022019.13",
        "weight": "0.00428115",
        "shared": false
      },
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
        "value": "5495165.00",
        "weight": "0.00390660",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5218581.17",
        "weight": "0.00370998",
        "shared": false
      },
      {
        "name": "FNA 2018-M4 A2",
        "value": "5156734.01",
        "weight": "0.00366601",
        "shared": false
      },
      {
        "name": "GWT 2024-WOLF A 144A FRN 03-15-39",
        "value": "5064899.50",
        "weight": "0.00360072",
        "shared": true
      },
      {
        "name": "FOUNDRY JV HOLDC",
        "value": "5018214.75",
        "weight": "0.00356753",
        "shared": false
      },
      {
        "name": "Lendbuzz Securitization Trust, Series 2025-2A, Class A2",
        "value": "4986825.56",
        "weight": "0.00354522",
        "shared": false
      },
      {
        "name": "NEXTERA ENERGY",
        "value": "4968661.58",
        "weight": "0.00353230",
        "shared": false
      },
      {
        "name": "ALGONQUIN POWER",
        "value": "4899332.91",
        "weight": "0.00348302",
        "shared": false
      },
      {
        "name": "FNA 2019-M22 A2",
        "value": "4807794.26",
        "weight": "0.00341794",
        "shared": false
      },
      {
        "name": "Calvert Ultra-Short Investment Grade Etf",
        "value": "4807475.00",
        "weight": "0.00341771",
        "shared": true
      },
      {
        "name": "Neighborly Issuer LLC, Series 2021-1A, Class A2",
        "value": "4774249.76",
        "weight": "0.00339409",
        "shared": true
      },
      {
        "name": "KFW",
        "value": "4591252.65",
        "weight": "0.00326400",
        "shared": false
      },
      {
        "name": "Cloud Capital Holdco LP, Series 2024-1A, Class A2",
        "value": "4569024.50",
        "weight": "0.00324820",
        "shared": true
      },
      {
        "name": "ATHENE GLOBAL FUNDING SR SECURED 144A 08/26 4.86",
        "value": "4513636.86",
        "weight": "0.00320882",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "MSILF-GOVT-INS",
        "value": "132856313.12",
        "weight": "0.14416286",
        "shared": true
      },
      {
        "name": "FNCL 5 4/26",
        "value": "57072354.82",
        "weight": "0.06192941",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "47595484.55",
        "weight": "0.05164603",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "46883304.48",
        "weight": "0.05087324",
        "shared": true
      },
      {
        "name": "FR SD8493",
        "value": "11375951.58",
        "weight": "0.01234409",
        "shared": true
      },
      {
        "name": "FN MA5531",
        "value": "10940588.57",
        "weight": "0.01187167",
        "shared": true
      },
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
        "value": "9688197.50",
        "weight": "0.01051270",
        "shared": true
      },
      {
        "name": "FNCL 5.5 4/26",
        "value": "8873591.34",
        "weight": "0.00962877",
        "shared": true
      },
      {
        "name": "Nykredit Realkredit A/S, Series 01E",
        "value": "8677500.67",
        "weight": "0.00941599",
        "shared": true
      },
      {
        "name": "Nordea Kredit Realkreditaktieselskab",
        "value": "8505877.42",
        "weight": "0.00922976",
        "shared": false
      },
      {
        "name": "FN MA5470",
        "value": "6589204.36",
        "weight": "0.00714997",
        "shared": false
      },
      {
        "name": "FR SD8474",
        "value": "6585343.03",
        "weight": "0.00714578",
        "shared": true
      },
      {
        "name": "FR SD8475",
        "value": "6412214.34",
        "weight": "0.00695792",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "6406714.42",
        "weight": "0.00695195",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6090944.23",
        "weight": "0.00660931",
        "shared": false
      },
      {
        "name": "Calvert Ultra-Short Investment Grade Etf",
        "value": "6021995.00",
        "weight": "0.00653449",
        "shared": true
      },
      {
        "name": "FR RQ0049",
        "value": "6017167.06",
        "weight": "0.00652925",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5963630.59",
        "weight": "0.00647116",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "5444488.92",
        "weight": "0.00590783",
        "shared": true
      },
      {
        "name": "HA SUST INF CAP",
        "value": "5183382.91",
        "weight": "0.00562451",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5124272.34",
        "weight": "0.00556037",
        "shared": false
      },
      {
        "name": "FR SD8515",
        "value": "5103928.12",
        "weight": "0.00553829",
        "shared": true
      },
      {
        "name": "Nykredit Realkredit A/S, Series 01e",
        "value": "5036541.31",
        "weight": "0.00546517",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5008521.31",
        "weight": "0.00543476",
        "shared": true
      },
      {
        "name": "FN MA5614",
        "value": "4953986.99",
        "weight": "0.00537559",
        "shared": true
      },
      {
        "name": "Realkredit Danmark A/S, Series 23S",
        "value": "4235408.56",
        "weight": "0.00459586",
        "shared": false
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "4233327.88",
        "weight": "0.00459360",
        "shared": true
      },
      {
        "name": "CIXCN 7 1/2 05/30/29",
        "value": "4220716.59",
        "weight": "0.00457991",
        "shared": true
      },
      {
        "name": "FR SD8494",
        "value": "4004412.56",
        "weight": "0.00434520",
        "shared": true
      },
      {
        "name": "LIBMUT V4.125 12/15/51 144A",
        "value": "3988534.98",
        "weight": "0.00432797",
        "shared": false
      },
      {
        "name": "Bank of Nova Scotia (The)",
        "value": "3829489.70",
        "weight": "0.00415539",
        "shared": false
      },
      {
        "name": "UMBS Pool, 30 Year",
        "value": "3760638.40",
        "weight": "0.00408068",
        "shared": true
      },
      {
        "name": "ATHENE HOLDING",
        "value": "3707164.17",
        "weight": "0.00402266",
        "shared": true
      },
      {
        "name": "TELUS CORP REGD V/R SER . 6.37500000",
        "value": "3591844.58",
        "weight": "0.00389752",
        "shared": true
      },
      {
        "name": "CSMC Trust, Series 2021-BPNY, Class A",
        "value": "3543483.95",
        "weight": "0.00384505",
        "shared": false
      },
      {
        "name": "BAMLL Commercial Mortgage Securities Trust 2019-BPR",
        "value": "3522719.47",
        "weight": "0.00382252",
        "shared": false
      },
      {
        "name": "Nykredit Realkredit A/S",
        "value": "3519254.80",
        "weight": "0.00381876",
        "shared": false
      },
      {
        "name": "FORD MOTOR CRED",
        "value": "3336007.82",
        "weight": "0.00361991",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "3288281.25",
        "weight": "0.00356813",
        "shared": true
      },
      {
        "name": "UMBS, 30 Year",
        "value": "3263536.89",
        "weight": "0.00354128",
        "shared": true
      },
      {
        "name": "Driven Brands Funding LLC, Series 2020-2A, Class A2",
        "value": "3125260.20",
        "weight": "0.00339123",
        "shared": true
      },
      {
        "name": "Global Atlantic (Fin) Co.",
        "value": "3039819.11",
        "weight": "0.00329852",
        "shared": true
      },
      {
        "name": "TORONTO DOM BANK",
        "value": "2911004.22",
        "weight": "0.00315874",
        "shared": true
      },
      {
        "name": "BNP V7.75 PERP 144A",
        "value": "2871112.74",
        "weight": "0.00311545",
        "shared": true
      },
      {
        "name": "BARCLAYS PLC REGD V/R /PERP/ 8.00000000",
        "value": "2847044.15",
        "weight": "0.00308934",
        "shared": false
      },
      {
        "name": "Neighborly Issuer LLC, Series 2021-1A, Class A2",
        "value": "2846275.22",
        "weight": "0.00308850",
        "shared": true
      },
      {
        "name": "CANADIAN IMPERIAL BANK OF COMM JR SUBORDINA 10/85 VAR",
        "value": "2831805.20",
        "weight": "0.00307280",
        "shared": true
      },
      {
        "name": "CAJUN GLOBAL LLC SER 2025-2A CL A2 REGD 144A P/P 5.91200000",
        "value": "2742045.44",
        "weight": "0.00297540",
        "shared": false
      },
      {
        "name": "UMBS, 30 Year",
        "value": "2712396.10",
        "weight": "0.00294323",
        "shared": true
      },
      {
        "name": "MAREX GROUP",
        "value": "2707670.05",
        "weight": "0.00293810",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-050777",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/701039/000141036826050777/0001410368-26-050777-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-056087",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/319676/000141036826056087/0001410368-26-056087-index.htm"
    }
  ]
}