{
  "page": "compare",
  "query": {
    "a": "GCOR",
    "b": "PNIIX"
  },
  "retrieved_at": "2026-07-07T19:15:58+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": "Goldman Sachs Access U.S. Aggregate Bond ETF",
    "ticker": "GCOR",
    "slug": "GCOR",
    "series_id": "S000066919",
    "html_url": "https://fundwatcher.app/funds/GCOR/"
  },
  "fund_b": {
    "name": "Bond Market Index Fund",
    "ticker": "PNIIX",
    "slug": "PNIIX",
    "series_id": "S000027178",
    "html_url": "https://fundwatcher.app/funds/PNIIX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.1669658724609080738323080584",
    "shared_count": 622,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
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      },
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      },
      {
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      {
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      },
      {
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
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      {
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      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      },
      {
        "name": "UMBS",
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      {
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      {
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      },
      {
        "name": "Uniform Mortgage-Backed Securities",
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      },
      {
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      },
      {
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      {
        "name": "G2SF 5 3/25",
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      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      {
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      {
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        "name": "Principal Government Money Market Fund - Class R-6",
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        "name": "iShares Trust IBOXX USD INVST GRADE CORP",
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      {
        "name": "Fannie Mae Pool",
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      {
        "name": "UMBS",
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-015141",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1479026/000094040026015141/0000940400-26-015141-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000898745-26-000541",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/898745/000089874526000541/0000898745-26-000541-index.htm"
    }
  ]
}