{
  "page": "compare",
  "query": {
    "a": "DAT",
    "b": "BCSIX"
  },
  "retrieved_at": "2026-07-07T16:41:37+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": "ProShares Big Data Refiners ETF",
    "ticker": "DAT",
    "slug": "DAT",
    "series_id": "S000073423",
    "html_url": "https://fundwatcher.app/funds/DAT/"
  },
  "fund_b": {
    "name": "Brown Capital Management Small Company Fund",
    "ticker": "BCSIX",
    "slug": "BCSIX",
    "series_id": "S000010418",
    "html_url": "https://fundwatcher.app/funds/BCSIX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.09223053041557418573922840747",
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      "b": "2026-03-31"
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      {
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      {
        "name": "FX Forward Contract: CAD/USD SETTLE 2026-03-18",
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      {
        "name": "Polish Zloty - New",
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      {
        "name": "ISRAELI SHEKEL",
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      {
        "name": "JAPANESE YEN",
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      {
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        "name": "NORWEGIAN KRONE",
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        "name": "BIO-TECHNE CORP",
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        "name": "CREDO TECHNOLOGY",
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-009157",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009157/0002071691-26-009157-index.htm"
    },
    {
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      "accession_no": "0000869351-26-000036",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/869351/000086935126000036/0000869351-26-000036-index.htm"
    }
  ]
}