{
  "page": "compare",
  "query": {
    "a": "GBIAX",
    "b": "EUSB"
  },
  "retrieved_at": "2026-07-07T18:04:01+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": "Nationwide Bond Index Fund",
    "ticker": "GBIAX",
    "slug": "GBIAX",
    "series_id": "S000004995",
    "html_url": "https://fundwatcher.app/funds/GBIAX/"
  },
  "fund_b": {
    "name": "iShares ESG Advanced Universal USD Bond ETF",
    "ticker": "EUSB",
    "slug": "EUSB",
    "series_id": "S000068817",
    "html_url": "https://fundwatcher.app/funds/EUSB/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.3609298481172336463662315597",
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    "as_of": {
      "a": "2026-04-30",
      "b": "2026-02-28"
    },
    "a_top": [
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        "name": "Treasury Repurchase Agreement",
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      {
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
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      },
      {
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      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "1161087.50",
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      },
      {
        "name": "UMBS",
        "value": "1157068.71",
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      },
      {
        "name": "G2SF 5 5/26",
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      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
        "value": "1083141.17",
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
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      {
        "name": "G2 MA7311",
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      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
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      {
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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": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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        "name": "US TREASURY N/B",
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        "name": "US TREASURY N/B",
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    ],
    "b_top": [
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        "name": "BlackRock Cash Funds: Treasury, SL Agency Shares",
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      {
        "name": "US TREASURY N/B",
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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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      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-014260",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1048702/000207169126014260/0002071691-26-014260-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-039522",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000141036826039522/0001410368-26-039522-index.htm"
    }
  ]
}