{
  "page": "compare",
  "query": {
    "a": "FSTQX",
    "b": "CWBFX"
  },
  "retrieved_at": "2026-07-07T14:55:02+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": "Fidelity Series International Developed Markets Bond Index Fund",
    "ticker": "FSTQX",
    "slug": "FSTQX",
    "series_id": "S000072687",
    "html_url": "https://fundwatcher.app/funds/FSTQX/"
  },
  "fund_b": {
    "name": "Capital World Bond Fund",
    "ticker": "CWBFX",
    "slug": "CWBFX",
    "series_id": "S000009240",
    "html_url": "https://fundwatcher.app/funds/CWBFX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.06955391214762226743326970937",
    "coverage_b_by_a": "0.06955391214762226743326970934",
    "shared_count": 162,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "SPTR TRS EQUITY SOFR+70 BOA",
        "value": "240603319.92",
        "weight": "0.01505396",
        "shared": false
      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "160791847.98",
        "weight": "0.01006035",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 4.5% 06-07-28",
        "value": "145689474.93",
        "weight": "0.00911543",
        "shared": true
      },
      {
        "name": "ITALY REPUBLIC OF 2.1% 08/26/2027 REGS",
        "value": "134834390.72",
        "weight": "0.00843626",
        "shared": false
      },
      {
        "name": "United Kingdom of Great Britain and Northern Ireland",
        "value": "130597762.21",
        "weight": "0.00817118",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "130352144.97",
        "weight": "0.00815581",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "117592698.45",
        "weight": "0.00735749",
        "shared": true
      },
      {
        "name": "PORTUGUESE OT'S",
        "value": "109800115.82",
        "weight": "0.00686992",
        "shared": true
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.4% 10/19/2028 REGS",
        "value": "107564485.28",
        "weight": "0.00673004",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "106362625.37",
        "weight": "0.00665485",
        "shared": true
      },
      {
        "name": "PORTUGUESE OT'S",
        "value": "102603323.34",
        "weight": "0.00641964",
        "shared": true
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "92738532.62",
        "weight": "0.00580242",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 3.5% 01-22-45",
        "value": "91172111.48",
        "weight": "0.00570441",
        "shared": false
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "90251457.09",
        "weight": "0.00564681",
        "shared": false
      },
      {
        "name": "AUSTRALIAN GOVT.",
        "value": "89214533.94",
        "weight": "0.00558193",
        "shared": false
      },
      {
        "name": "AUSTRALIAN GOVT.",
        "value": "88358470.04",
        "weight": "0.00552837",
        "shared": false
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "87640166.93",
        "weight": "0.00548343",
        "shared": true
      },
      {
        "name": "HELLENIC REPUBLIC GOVERNMENT BOND EUR REG S 3.9% 01-30-33",
        "value": "87550650.90",
        "weight": "0.00547783",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "84041806.14",
        "weight": "0.00525829",
        "shared": true
      },
      {
        "name": "ITALY REPUBLIC OF 2.7% 10/01/2030 144A REGS",
        "value": "83596639.98",
        "weight": "0.00523044",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 20-YR",
        "value": "83078993.09",
        "weight": "0.00519805",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT 4.250000% 07/31/2034",
        "value": "83043526.31",
        "weight": "0.00519583",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.6% 08/15/2035 REGS",
        "value": "82233104.84",
        "weight": "0.00514512",
        "shared": false
      },
      {
        "name": "SPANISH GOV'T",
        "value": "81625416.48",
        "weight": "0.00510710",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "80654763.58",
        "weight": "0.00504637",
        "shared": false
      },
      {
        "name": "FINNISH GOV'T",
        "value": "79853053.31",
        "weight": "0.00499621",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "78842670.30",
        "weight": "0.00493299",
        "shared": true
      },
      {
        "name": "NETHERLANDS GOVT",
        "value": "78676385.90",
        "weight": "0.00492259",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "77973120.19",
        "weight": "0.00487859",
        "shared": true
      },
      {
        "name": "ITALY REPUBLIC OF 3.6% 10/01/2035 REGS",
        "value": "75630384.75",
        "weight": "0.00473201",
        "shared": true
      },
      {
        "name": "SINGAPORE REPUBLIC OF 3% 04/01/2029",
        "value": "75122273.38",
        "weight": "0.00470022",
        "shared": false
      },
      {
        "name": "CANADIAN GOVERNMENT /CAD/ REGD 3.50000000",
        "value": "74875863.17",
        "weight": "0.00468480",
        "shared": false
      },
      {
        "name": "NEW ZEALAND GVT",
        "value": "73559345.58",
        "weight": "0.00460243",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "71384965.50",
        "weight": "0.00446638",
        "shared": false
      },
      {
        "name": "Service Public Federal Chancellerie Du Premier Ministre",
        "value": "70252468.19",
        "weight": "0.00439552",
        "shared": false
      },
      {
        "name": "IRISH GOVT",
        "value": "69132986.41",
        "weight": "0.00432548",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "69087446.40",
        "weight": "0.00432263",
        "shared": false
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "68574254.31",
        "weight": "0.00429052",
        "shared": false
      },
      {
        "name": "PORTUGUESE OT'S",
        "value": "67914917.03",
        "weight": "0.00424927",
        "shared": false
      },
      {
        "name": "SPANISH GOV'T",
        "value": "67239816.83",
        "weight": "0.00420703",
        "shared": true
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "66415056.68",
        "weight": "0.00415543",
        "shared": false
      },
      {
        "name": "Republic of Ireland",
        "value": "66122104.56",
        "weight": "0.00413710",
        "shared": true
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.2% 10/10/2030 REGS",
        "value": "66044611.13",
        "weight": "0.00413225",
        "shared": false
      },
      {
        "name": "NETHERLANDS GOVT",
        "value": "65744932.97",
        "weight": "0.00411350",
        "shared": false
      },
      {
        "name": "Kingdom of Belgium Government Bonds",
        "value": "65604940.97",
        "weight": "0.00410474",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2% 12/16/2027 REGS",
        "value": "65592606.79",
        "weight": "0.00410397",
        "shared": true
      },
      {
        "name": "Commonwealth of Australia",
        "value": "64363864.56",
        "weight": "0.00402709",
        "shared": false
      },
      {
        "name": "FINNISH GOV'T",
        "value": "64260438.72",
        "weight": "0.00402062",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "63631116.78",
        "weight": "0.00398124",
        "shared": true
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 4.375% 03-07-30",
        "value": "63439082.42",
        "weight": "0.00396923",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "CAPITAL GROUP CENTRAL CASH FUND",
        "value": "892906371.43",
        "weight": "0.08844300",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "176021120.20",
        "weight": "0.01743501",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "162041506.48",
        "weight": "0.01605032",
        "shared": false
      },
      {
        "name": "PETROLEOS MEXICANOS SR UNSEC 6.84% 01-23-30",
        "value": "159114497.95",
        "weight": "0.01576040",
        "shared": false
      },
      {
        "name": "KOREA TRSY BD",
        "value": "143221985.24",
        "weight": "0.01418624",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "123802852.95",
        "weight": "0.01226276",
        "shared": false
      },
      {
        "name": "FNCL 3.5 4/26",
        "value": "97989778.47",
        "weight": "0.00970596",
        "shared": false
      },
      {
        "name": "PERU REPUBLIC OF 7.6% 08/12/2039 144A REGS",
        "value": "95701862.58",
        "weight": "0.00947934",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "79960991.85",
        "weight": "0.00792019",
        "shared": false
      },
      {
        "name": "EUROPEAN UNION MTN 3.375000% 12/12/2035",
        "value": "79850584.43",
        "weight": "0.00790926",
        "shared": false
      },
      {
        "name": "KOREA TRSY BD",
        "value": "78687641.44",
        "weight": "0.00779407",
        "shared": false
      },
      {
        "name": "TREASURY CORP OF VICTORIA AUD 5.5% 09-15-39",
        "value": "77535369.88",
        "weight": "0.00767993",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "76099043.10",
        "weight": "0.00753766",
        "shared": true
      },
      {
        "name": "Presidencia da Republica",
        "value": "75393089.94",
        "weight": "0.00746774",
        "shared": false
      },
      {
        "name": "EUROPEAN UNION 3.625% 12-12-40",
        "value": "72637233.68",
        "weight": "0.00719477",
        "shared": false
      },
      {
        "name": "FORD MOTOR CRED",
        "value": "64921153.92",
        "weight": "0.00643049",
        "shared": false
      },
      {
        "name": "Urad Vlady Ceske Republiky",
        "value": "56396180.57",
        "weight": "0.00558608",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "54924229.40",
        "weight": "0.00544028",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 20-YR",
        "value": "54704890.92",
        "weight": "0.00541856",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "49618577.72",
        "weight": "0.00491475",
        "shared": false
      },
      {
        "name": "UK TSY GILT",
        "value": "49477577.20",
        "weight": "0.00490079",
        "shared": false
      },
      {
        "name": "HUNGARY GOVT",
        "value": "48693129.49",
        "weight": "0.00482309",
        "shared": false
      },
      {
        "name": "Letras do Tesouro Nacional Treasury Bills",
        "value": "44524122.00",
        "weight": "0.00441015",
        "shared": false
      },
      {
        "name": "CANADIAN GOVERNMENT /CAD/ REGD 3.50000000",
        "value": "43667557.44",
        "weight": "0.00432530",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "42740565.81",
        "weight": "0.00423348",
        "shared": false
      },
      {
        "name": "Titulos de Tesoreria",
        "value": "42434642.28",
        "weight": "0.00420318",
        "shared": false
      },
      {
        "name": "SWCH COMMERCIAL MORTGAGE TRUST SWCH 2025 DATA A 144A",
        "value": "40629061.71",
        "weight": "0.00402434",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 1.7% 08/15/2032 REGS",
        "value": "40595736.62",
        "weight": "0.00402104",
        "shared": true
      },
      {
        "name": "Segretariato Generale Della Presidenza Della Repubblica",
        "value": "39639948.41",
        "weight": "0.00392636",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "39296875.94",
        "weight": "0.00389238",
        "shared": false
      },
      {
        "name": "European Bank for Reconstruction & Development",
        "value": "37998178.99",
        "weight": "0.00376375",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "37502677.99",
        "weight": "0.00371467",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "36093194.15",
        "weight": "0.00357506",
        "shared": true
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "35663663.18",
        "weight": "0.00353251",
        "shared": false
      },
      {
        "name": "FNCL 2 4/26",
        "value": "34809163.78",
        "weight": "0.00344787",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.5% 02/15/2035 REGS",
        "value": "34545610.07",
        "weight": "0.00342177",
        "shared": true
      },
      {
        "name": "United Kingdom of Great Britain and Northern Ireland",
        "value": "33980862.28",
        "weight": "0.00336583",
        "shared": false
      },
      {
        "name": "FNCL 2 5/26",
        "value": "33689829.63",
        "weight": "0.00333700",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "32781890.72",
        "weight": "0.00324707",
        "shared": false
      },
      {
        "name": "ITALY REPUBLIC OF 2.8% 12/01/2028 REGS",
        "value": "32338936.95",
        "weight": "0.00320319",
        "shared": true
      },
      {
        "name": "FNCL 4 4/26",
        "value": "31904416.81",
        "weight": "0.00316015",
        "shared": false
      },
      {
        "name": "SAMARCO MINERACAO SA REG S SR UNSEC PIK 9.0% 06-30-31/12-30-25",
        "value": "31701035.46",
        "weight": "0.00314001",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 20-YR",
        "value": "31675662.83",
        "weight": "0.00313750",
        "shared": false
      },
      {
        "name": "CSN Islands XI Corp.",
        "value": "31202269.92",
        "weight": "0.00309061",
        "shared": false
      },
      {
        "name": "Sandor-Palota",
        "value": "31117722.06",
        "weight": "0.00308223",
        "shared": false
      },
      {
        "name": "Segretariato Generale Della Presidenza Della Repubblica",
        "value": "30769032.31",
        "weight": "0.00304769",
        "shared": true
      },
      {
        "name": "SPANISH GOV'T",
        "value": "30727205.93",
        "weight": "0.00304355",
        "shared": true
      },
      {
        "name": "HUNGARY GOVERNMENT BOND HUF 4.5% 05-27-32",
        "value": "30662620.94",
        "weight": "0.00303715",
        "shared": false
      },
      {
        "name": "FNCL UMBS 5.5 RJ1857 06-01-54",
        "value": "30196581.60",
        "weight": "0.00299099",
        "shared": false
      },
      {
        "name": "EUROPEAN UNION REG S SR UNSEC EUR (B) 4.0% 10-12-55",
        "value": "28774613.29",
        "weight": "0.00285015",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-003399",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/215829/000003540226003399/0000035402-26-003399-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001193125-26-245362",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/812303/000119312526245362/0001193125-26-245362-index.htm"
    }
  ]
}