{
  "page": "compare",
  "query": {
    "a": "OGVCX",
    "b": "FNBGX"
  },
  "retrieved_at": "2026-07-07T18:25:21+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": "JPMorgan Government Bond Fund",
    "ticker": "OGVCX",
    "slug": "OGVCX",
    "series_id": "S000003485",
    "html_url": "https://fundwatcher.app/funds/OGVCX/"
  },
  "fund_b": {
    "name": "Fidelity Long-Term Treasury Bond Index Fund",
    "ticker": "FNBGX",
    "slug": "FNBGX",
    "series_id": "S000017678",
    "html_url": "https://fundwatcher.app/funds/FNBGX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08201923025429006944796515582",
    "coverage_b_by_a": "0.08201923025429006944796515582",
    "shared_count": 12,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
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        "name": "JPM-US GV MM-L",
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        "weight": "0.05125004",
        "shared": false
      },
      {
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        "value": "68061199.41",
        "weight": "0.03401353",
        "shared": true
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "65587047.19",
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      },
      {
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
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      {
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      },
      {
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      },
      {
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      },
      {
        "name": "US TREASURY N/B",
        "value": "30025781.40",
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      },
      {
        "name": "FNMA, Grantor Trust, Series 2017-T1, Class A",
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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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      {
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      {
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      },
      {
        "name": "FNCL 6 3/24",
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      },
      {
        "name": "FNCL 5.5 3/25",
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      {
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      {
        "name": "FHLMC, REMIC, Series 5258, Class KZ",
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      },
      {
        "name": "FNMA UMBS, 30 Year",
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      },
      {
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      {
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      },
      {
        "name": "FNMA, Other",
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      },
      {
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      {
        "name": "FNMA, REMIC, Series 2019-77, Class ZL",
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      {
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        "value": "15158586.50",
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      {
        "name": "Government National Mortgage Association",
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      {
        "name": "FNMA, Other",
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      {
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      {
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      },
      {
        "name": "RFC PRIN STRIP",
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      },
      {
        "name": "RFC PRIN STRIP",
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      {
        "name": "FNMA, Other",
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      {
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        "name": "Seasoned Credit Risk Transfer Trust, Series 2025-1, Class MAU",
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      },
      {
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-009315",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/763852/000207169126009315/0002071691-26-009315-index.htm"
    },
    {
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      "accession_no": "0000035402-26-002589",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002589/0000035402-26-002589-index.htm"
    }
  ]
}