{
  "page": "compare",
  "query": {
    "a": "PSPIX",
    "b": "VIOO"
  },
  "retrieved_at": "2026-07-07T16:50:49+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": "SmallCap S&P 600 Index Fund",
    "ticker": "PSPIX",
    "slug": "PSPIX",
    "series_id": "S000007203",
    "html_url": "https://fundwatcher.app/funds/PSPIX/"
  },
  "fund_b": {
    "name": "VANGUARD S&P SMALL-CAP 600 INDEX FUND",
    "ticker": "VIOO",
    "slug": "VIOO",
    "series_id": "S000030017",
    "html_url": "https://fundwatcher.app/funds/VIOO/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.9279430830354673789888180817",
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      "b": "2026-02-28"
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      },
      {
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        "name": "ISHARES CORE S+P SMALL CAP ETF ISHARES CORE S+P SMALL CAP E",
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      },
      {
        "name": "LKQ CORP",
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      {
        "name": "INTERDIGITAL INC",
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      {
        "name": "CARETRUST REIT INC",
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        "name": "LUMEN TECHNOLOGIES INC",
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        "name": "PRIMORIS SVCS CORP",
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        "name": "SITIME CORP",
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        "name": "SANMINA CORP",
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      },
      {
        "name": "KRYSTAL BIOTECH INC",
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      },
      {
        "name": "LINCOLN NATL CRP",
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      {
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        "name": "FED SIGNAL CORP",
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        "name": "QORVO INC",
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      {
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      },
      {
        "name": "INSTALLED BUILDING PRODUCTS INC",
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        "name": "TERRENO REALTY CORP",
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      {
        "name": "CASELLA WASTE SYS INC CL A",
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        "name": "PTC THERAPEUTICS INC",
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        "name": "ATLANTIC UNION B",
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000898745-26-000464",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/898745/000089874526000464/0000898745-26-000464-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000891190-26-000137",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/891190/000089119026000137/0000891190-26-000137-index.htm"
    }
  ]
}