{
  "page": "compare",
  "query": {
    "a": "MFSI",
    "b": "MOSAX"
  },
  "retrieved_at": "2026-07-07T13:20:24+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 Active International ETF",
    "ticker": "MFSI",
    "slug": "MFSI",
    "series_id": "S000085669",
    "html_url": "https://fundwatcher.app/funds/MFSI/"
  },
  "fund_b": {
    "name": "MassMutual Overseas Fund",
    "ticker": "MOSAX",
    "slug": "MOSAX",
    "series_id": "S000003667",
    "html_url": "https://fundwatcher.app/funds/MOSAX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.5473557405164635158116372723",
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      {
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-040061",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/2018846/000141036826040061/0001410368-26-040061-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-053570",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916053/000141036826053570/0001410368-26-053570-index.htm"
    }
  ]
}