{
  "page": "compare",
  "query": {
    "a": "MEDAX",
    "b": "JEMDX"
  },
  "retrieved_at": "2026-07-07T17:49:54+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": "MFS Emerging Markets Debt Fund",
    "ticker": "MEDAX",
    "slug": "MEDAX",
    "series_id": "S000002511",
    "html_url": "https://fundwatcher.app/funds/MEDAX/"
  },
  "fund_b": {
    "name": "JPMorgan Emerging Markets Debt Fund",
    "ticker": "JEMDX",
    "slug": "JEMDX",
    "series_id": "S000002916",
    "html_url": "https://fundwatcher.app/funds/JEMDX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1962734423793835731265348496",
    "coverage_b_by_a": "0.1962734423793835731265348496",
    "shared_count": 91,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
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        "weight": "0.03934412",
        "shared": false
      },
      {
        "name": "ARGENTINA",
        "value": "80213235.00",
        "weight": "0.01053013",
        "shared": true
      },
      {
        "name": "ARGENTINA",
        "value": "79816691.50",
        "weight": "0.01047807",
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      },
      {
        "name": "ARGENTINA",
        "value": "77046965.00",
        "weight": "0.01011447",
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      },
      {
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        "weight": "0.00930166",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "59210333.92",
        "weight": "0.00777294",
        "shared": false
      },
      {
        "name": "DOMINICAN REPUBLIC INTERNATIONAL BOND REG S 4.875% 09-23-32",
        "value": "55539750.86",
        "weight": "0.00729108",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "55264814.38",
        "weight": "0.00725498",
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      },
      {
        "name": "Republic of Paraguay",
        "value": "55143821.48",
        "weight": "0.00723910",
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      },
      {
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        "value": "54154675.59",
        "weight": "0.00710925",
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      },
      {
        "name": "UKRAINE GOVT",
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      },
      {
        "name": "Costa Rica Government International Bond",
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        "weight": "0.00623870",
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      },
      {
        "name": "TURKIYE REP OF",
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        "weight": "0.00538655",
        "shared": false
      },
      {
        "name": "SOUTH AFRICA REPUBLIC OF 7.3% 04/20/2052",
        "value": "40832343.27",
        "weight": "0.00536034",
        "shared": true
      },
      {
        "name": "REPUBLIC OF ECUADOR 5.000000% 07/31/2040",
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      },
      {
        "name": "The Democratic Socialist Republic of Sri Lanka",
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      },
      {
        "name": "Petroleos Mexicanos",
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      },
      {
        "name": "Republic of Angola",
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      },
      {
        "name": "Urzad Rady Ministrow",
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      },
      {
        "name": "Eagle Funding LuxCo S.a.r.l.",
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      },
      {
        "name": "REPUBLIC OF COLOMBIA REGD 7.75000000",
        "value": "36164379.90",
        "weight": "0.00474754",
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      },
      {
        "name": "CHILE",
        "value": "34225906.50",
        "weight": "0.00449307",
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      },
      {
        "name": "PETRONAS CAP LTD",
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      },
      {
        "name": "TURKIYE REP OF",
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      },
      {
        "name": "Egypt Government International Bonds",
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      },
      {
        "name": "State of Kuwait",
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      },
      {
        "name": "ROMANIA REGD 144A P/P 6.37500000",
        "value": "31735700.06",
        "weight": "0.00416616",
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      },
      {
        "name": "PETRONAS CAP LTD",
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      },
      {
        "name": "SOUTH AFRICA REPUBLIC OF 7.25% 12/11/2055 144A",
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        "weight": "0.00404271",
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      },
      {
        "name": "Romanian Government International Bond",
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      },
      {
        "name": "REP OF NIGERIA",
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      },
      {
        "name": "REPUBLIC OF COLOMBIA SR UNSECURED 11/35 8",
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      },
      {
        "name": "Ma'aden Sukuk Ltd 5.25 01/29/2036",
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      },
      {
        "name": "SOUTH AFRICA REPUBLIC OF 6.125% 12/11/2037 144A",
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      },
      {
        "name": "Republic of Colombia",
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      },
      {
        "name": "UNITED MEXICAN",
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      },
      {
        "name": "BANCO INTERNACIONAL DEL PERU SAA INTERBANK 144A LIFE SR UNSEC 4.8% 07-15-31",
        "value": "29639051.20",
        "weight": "0.00389092",
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      },
      {
        "name": "Republic of Cote d'Ivoire",
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      },
      {
        "name": "Republic of Cote d'Ivoire",
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        "weight": "0.00383321",
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      },
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        "weight": "0.00383247",
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      },
      {
        "name": "Guatemala Government Bond",
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        "weight": "0.00380768",
        "shared": true
      },
      {
        "name": "BANGKOK BANK PCL REG S SUB 3.733% 09-25-34/29",
        "value": "28920447.01",
        "weight": "0.00379658",
        "shared": false
      },
      {
        "name": "Venezuela Government International Bonds",
        "value": "28855481.55",
        "weight": "0.00378805",
        "shared": true
      },
      {
        "name": "Navoiy Kon-Metallurgiya Kombinati Aksiyadorlik Jamiyati",
        "value": "28796883.26",
        "weight": "0.00378036",
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      },
      {
        "name": "Sultanate of Oman Government Bond",
        "value": "28712849.50",
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      },
      {
        "name": "UNITED MEXICAN",
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      },
      {
        "name": "Ecuador Government International Bonds",
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        "weight": "0.00367228",
        "shared": false
      },
      {
        "name": "Sandor-Palota",
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        "weight": "0.00363169",
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      },
      {
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      },
      {
        "name": "Ecuador Government International Bonds",
        "value": "27298280.00",
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      }
    ],
    "b_top": [
      {
        "name": "JPMorgan Prime Money Market Fund, Institutional Class",
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      },
      {
        "name": "REPUBLIC OF PERU",
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      },
      {
        "name": "Mexico Bonos",
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      },
      {
        "name": "Presidencia da Republica",
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      },
      {
        "name": "Petroleos Mexicanos",
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      },
      {
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        "value": "13117633.50",
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        "shared": true
      },
      {
        "name": "ARGENTINA",
        "value": "12119627.93",
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      },
      {
        "name": "REPUBLIC OF COLOMBIA SR UNSECURED 11/35 8",
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      },
      {
        "name": "ARGENTINA",
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      },
      {
        "name": "ROMANIA REPUBLIC OF 6.7% 02/25/2032",
        "value": "11268331.90",
        "weight": "0.01151624",
        "shared": false
      },
      {
        "name": "SOUTH AFRICA REPUBLIC OF 8.5% 01/31/2037",
        "value": "10782940.26",
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        "shared": false
      },
      {
        "name": "Republic of Honduras",
        "value": "10454040.00",
        "weight": "0.01068403",
        "shared": true
      },
      {
        "name": "SAUDI INT BOND",
        "value": "9417623.60",
        "weight": "0.00962482",
        "shared": false
      },
      {
        "name": "PERU REPUBLIC OF 5.35% 08/12/2040",
        "value": "9095597.47",
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      },
      {
        "name": "Romanian Government International Bond",
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      },
      {
        "name": "KINGDOM OF BAHRAIN 6.750000% 09/20/2029",
        "value": "8852432.50",
        "weight": "0.00904719",
        "shared": false
      },
      {
        "name": "TURKIYE GOVERNMENT BOND TRY 37.84% 07-14-27",
        "value": "8655574.27",
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      },
      {
        "name": "REP OF NIGERIA",
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      },
      {
        "name": "SOUTH AFRICA REPUBLIC OF 5.75% 09/30/2049",
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      },
      {
        "name": "REP OF NIGERIA",
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      },
      {
        "name": "HUNGARY GOVERNMENT INTERNATIONAL BOND EUR REG S 4.875% 03-22-40",
        "value": "7865190.42",
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      },
      {
        "name": "Republic of Cote d'Ivoire",
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        "shared": true
      },
      {
        "name": "ROMANIA REPUBLIC OF 5.75% 03/24/2035 REGS",
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      },
      {
        "name": "TURKIYE REP OF",
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      },
      {
        "name": "PETROLEOS MEXICANOS SR UNSEC SF 6.7% 02-16-32",
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      },
      {
        "name": "SAUDI INTERNATIONAL BOND SR UNSECURED 144A 01/30 4.75",
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      },
      {
        "name": "UNITED MEXICAN",
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      },
      {
        "name": "SURINM 8 1/2 11/06/35",
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      },
      {
        "name": "TURKIYE REP OF",
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      },
      {
        "name": "PANAMA",
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      },
      {
        "name": "URUGUAY",
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      },
      {
        "name": "Hungary Government International Bonds",
        "value": "6335150.00",
        "weight": "0.00647453",
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      },
      {
        "name": "Republic of Indonesia",
        "value": "6260215.00",
        "weight": "0.00639794",
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      },
      {
        "name": "REPUBLIC OF GHANA 5.000000% 07/03/2035",
        "value": "5881281.25",
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      },
      {
        "name": "SAUDI INT BOND",
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      },
      {
        "name": "Egypt Government Bond",
        "value": "5730951.84",
        "weight": "0.00585704",
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      },
      {
        "name": "Minstry of Finance, Lebenon Republic of",
        "value": "5423940.50",
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      },
      {
        "name": "SOUTH AFRICA REPUBLIC OF 5% 10/12/2046",
        "value": "5403840.00",
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      },
      {
        "name": "REPUBLIC OF NIGERIA 7.696000% 02/23/2038",
        "value": "5176911.40",
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      },
      {
        "name": "Egypt Government International Bonds",
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        "weight": "0.00528770",
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      },
      {
        "name": "FED REPUBLIC OF BRAZIL REGD 6.00000000",
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      },
      {
        "name": "Ecopetrol SA",
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      },
      {
        "name": "Republic of Angola",
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        "weight": "0.00514355",
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      },
      {
        "name": "REP OF PAKISTAN",
        "value": "4974037.50",
        "weight": "0.00508347",
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      },
      {
        "name": "Dominican Republic International Bonds",
        "value": "4954686.00",
        "weight": "0.00506369",
        "shared": false
      },
      {
        "name": "COSTA RICA GOVERNMENT INTERNATIONAL BOND",
        "value": "4937244.70",
        "weight": "0.00504587",
        "shared": false
      },
      {
        "name": "PETROLEOS MEXICANOS SR UNSEC 5.95% 01-28-31",
        "value": "4895000.00",
        "weight": "0.00500269",
        "shared": false
      },
      {
        "name": "Republic of Costa Rica",
        "value": "4811328.01",
        "weight": "0.00491718",
        "shared": true
      },
      {
        "name": "REP OF NIGERIA",
        "value": "4786080.00",
        "weight": "0.00489138",
        "shared": true
      },
      {
        "name": "REPUBLIC OF COLOMBIA REGD 8.75000000",
        "value": "4715001.90",
        "weight": "0.00481873",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-032757",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/783740/000141036826032757/0001410368-26-032757-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009310",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1217286/000207169126009310/0002071691-26-009310-index.htm"
    }
  ]
}