{
  "page": "compare",
  "query": {
    "a": "COMIX",
    "b": "BILS"
  },
  "retrieved_at": "2026-07-07T15:42:10+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": "CM Commodity Index Fund",
    "ticker": "COMIX",
    "slug": "COMIX",
    "series_id": "S000029608",
    "html_url": "https://fundwatcher.app/funds/COMIX/"
  },
  "fund_b": {
    "name": "State Street(R) SPDR(R) Bloomberg 3-12 Month T-Bill ETF",
    "ticker": "BILS",
    "slug": "BILS",
    "series_id": "S000069594",
    "html_url": "https://fundwatcher.app/funds/BILS/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.3473576414210825521847288704",
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    "as_of": {
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      {
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      },
      {
        "name": "U.S. Treasury Bills",
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      {
        "name": "UST BILLS 0% 05/14/2026",
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      {
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      {
        "name": "United States Treasury Bill",
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      {
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      {
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    "b_top": [
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-054848",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/768847/000141036826054848/0001410368-26-054848-index.htm"
    },
    {
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      "accession_no": "0001410368-26-055545",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1064642/000141036826055545/0001410368-26-055545-index.htm"
    }
  ]
}