{
  "page": "compare",
  "query": {
    "a": "ROM",
    "b": "QLD"
  },
  "retrieved_at": "2026-07-07T14:13:03+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": "ProShares Ultra QQQ",
    "ticker": "QLD",
    "slug": "QLD",
    "series_id": "S000006827",
    "html_url": "https://fundwatcher.app/funds/QLD/"
  },
  "overlap": {
    "coverage_a_by_b": "0.5135826755735807032085069020",
    "coverage_b_by_a": "0.5135826755735807032085069020",
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      "b": "2026-02-28"
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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": "MICRON TECHNOLOGY INC",
        "value": "23318698.76",
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      },
      {
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        "name": "ADV MICRO DEVICE",
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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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        "name": "ANALOG DEVICES INC",
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        "name": "ARISTA NETWORKS INC",
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        "name": "ACCENTURE PLC CL A",
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      {
        "name": "PALO ALTO NETWORKS INC",
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        "name": "APPLOVIN CORP",
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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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        "name": "SYNOPSYS INC",
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        "name": "TE CONNECTIVITY PLC",
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      {
        "name": "NXP SEMICONDUCTORS NV",
        "value": "2876670.72",
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        "name": "MONOLITHIC POWER SYS INC",
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        "name": "TERADYNE INC",
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      {
        "name": "DELL TECHNOLOGIES INC CL C",
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      {
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      {
        "name": "META PLATFORMS INC CL A",
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        "name": "ALPHABET INC CL A",
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        "name": "COSTCO WHOLESALE CORP",
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      {
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      {
        "name": "NETFLIX INC",
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      {
        "name": "ADV MICRO DEVICE",
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        "name": "GILEAD SCIENCES INC",
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        "name": "INTUITIVE SURGICAL INC",
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        "name": "WESTERN DIGITAL CORP",
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        "name": "CROWDSTRIKE HOLDINGS INC",
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        "name": "MARRIOTT INTL-A",
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        "name": "MERCADOLIBRE INC",
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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": "0002071691-26-009191",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009191/0002071691-26-009191-index.htm"
    }
  ]
}