{
  "page": "compare",
  "query": {
    "a": "ROM",
    "b": "XLK"
  },
  "retrieved_at": "2026-07-07T15:40:20+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 Ultra Technology",
    "ticker": "ROM",
    "slug": "ROM",
    "series_id": "S000014260",
    "html_url": "https://fundwatcher.app/funds/ROM/"
  },
  "fund_b": {
    "name": "State Street(R) Technology Select Sector SPDR(R) ETF",
    "ticker": "XLK",
    "slug": "XLK",
    "series_id": "S000006415",
    "html_url": "https://fundwatcher.app/funds/XLK/"
  },
  "overlap": {
    "coverage_a_by_b": "0.7086026361246905444124286947",
    "coverage_b_by_a": "0.7086026361246905444124286947",
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    "as_of": {
      "a": "2026-02-28",
      "b": "2026-03-31"
    },
    "a_top": [
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      },
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      },
      {
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      },
      {
        "name": "MICROSOFT CORP",
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      },
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        "name": "ProShares GENIUS Money Market ETF",
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      {
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      {
        "name": "WIB 0 03/19/26",
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      },
      {
        "name": "MICRON TECHNOLOGY INC",
        "value": "23318698.76",
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      {
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      {
        "name": "Repurchase Agreement",
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      {
        "name": "ADV MICRO DEVICE",
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      {
        "name": "PALANTIR TECHNOLOGIES INC",
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      {
        "name": "CISCO SYSTEMS INC",
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      {
        "name": "APPLIED MATERIALS INC",
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      },
      {
        "name": "LAM RESEARCH CORP",
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      },
      {
        "name": "ORACLE CORP",
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      },
      {
        "name": "INTL BUS MACH CORP",
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      {
        "name": "INTEL CORP",
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      {
        "name": "KLA CORP",
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        "name": "AMPHENOL CORPORATION CL A",
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      {
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      {
        "name": "ARISTA NETWORKS INC",
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      {
        "name": "ACCENTURE PLC CL A",
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      {
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      {
        "name": "APPLOVIN CORP",
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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": "CADENCE DESIGN SYSTEMS INC",
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      {
        "name": "MOTOROLA SOLUTIONS INC",
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      {
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      {
        "name": "NXP SEMICONDUCTORS NV",
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        "name": "MONOLITHIC POWER SYS INC",
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      {
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      },
      {
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        "name": "APPLIED MATERIALS INC",
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      {
        "name": "LAM RESEARCH CORP",
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      {
        "name": "ORACLE CORP",
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        "name": "INTL BUS MACH CORP",
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      {
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      {
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      {
        "name": "AMPHENOL CORPORATION CL A",
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      {
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      {
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        "name": "CADENCE DESIGN SYSTEMS INC",
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      {
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      {
        "name": "DELL TECHNOLOGIES INC CL C",
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        "name": "COHERENT CORP",
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      {
        "name": "DATADOG INC CL A",
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      },
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        "name": "ROPER TECHNOLOGIES INC",
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      },
      {
        "name": "MICROCHIP TECHNOLOGY",
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      },
      {
        "name": "HEWLETT PACKARD ENTERPRISE CO",
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      },
      {
        "name": "COGNIZANT TECH SOLUTIONS CL A",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-009282",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009282/0002071691-26-009282-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-055331",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1064641/000141036826055331/0001410368-26-055331-index.htm"
    }
  ]
}