{
  "page": "compare",
  "query": {
    "a": "PFIX",
    "b": "WEEK"
  },
  "retrieved_at": "2026-07-07T18:18:40+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": "Simplify Interest Rate Hedge ETF",
    "ticker": "PFIX",
    "slug": "PFIX",
    "series_id": "S000071793",
    "html_url": "https://fundwatcher.app/funds/PFIX/"
  },
  "fund_b": {
    "name": "Roundhill Weekly T-Bill ETF",
    "ticker": "WEEK",
    "slug": "WEEK",
    "series_id": "S000089070",
    "html_url": "https://fundwatcher.app/funds/WEEK/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2350303415916662043010427772",
    "coverage_b_by_a": "0.2350303415916662043010427773",
    "shared_count": 6,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "Simplify Government Money Market ETF",
        "value": "44776850.00",
        "weight": "0.23348644",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "34324731.92",
        "weight": "0.17898444",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bill",
        "value": "30616105.30",
        "weight": "0.15964601",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "21687459.41",
        "weight": "0.11308807",
        "shared": false
      },
      {
        "name": "ZTO EXPRESS CAYMAN INC (GS) (CFD)",
        "value": "12668464.21",
        "weight": "0.06605901",
        "shared": false
      },
      {
        "name": "United States Treasury Bill",
        "value": "11867840.05",
        "weight": "0.06188420",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11344824.00",
        "weight": "0.05915696",
        "shared": true
      },
      {
        "name": "ZURICH INSURANCE GROUP AG",
        "value": "8570120.66",
        "weight": "0.04468843",
        "shared": false
      },
      {
        "name": "ZYMEWORKS INC CFD",
        "value": "5149609.89",
        "weight": "0.02685236",
        "shared": false
      },
      {
        "name": "United States Treasury Bill",
        "value": "3983492.40",
        "weight": "0.02077170",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "3281698.76",
        "weight": "0.01711224",
        "shared": true
      },
      {
        "name": "ZIJIN MINING GROUP LTD H",
        "value": "2066220.06",
        "weight": "0.01077419",
        "shared": false
      },
      {
        "name": "DREYFUS TRSY OBLIG CASH M",
        "value": "1000761.97",
        "weight": "0.00521842",
        "shared": false
      },
      {
        "name": "USD/TWD FORWARD",
        "value": "394150.34",
        "weight": "0.00205528",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "39947.67",
        "weight": "0.00020830",
        "shared": true
      },
      {
        "name": "XAV HEALTH CARE",
        "value": "2674.98",
        "weight": "0.00001395",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "U.S. Treasury Bills",
        "value": "12069172.01",
        "weight": "0.07780236",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "12050546.26",
        "weight": "0.07768229",
        "shared": true
      },
      {
        "name": "United States Treasury Bill",
        "value": "12026003.24",
        "weight": "0.07752408",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11944875.89",
        "weight": "0.07700110",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11940083.51",
        "weight": "0.07697021",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11928301.84",
        "weight": "0.07689426",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11919755.85",
        "weight": "0.07683917",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11912028.29",
        "weight": "0.07678935",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11903094.18",
        "weight": "0.07673176",
        "shared": false
      },
      {
        "name": "United States Treasury Bill",
        "value": "11887403.69",
        "weight": "0.07663061",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11845950.67",
        "weight": "0.07636339",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11797081.25",
        "weight": "0.07604836",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "11773589.82",
        "weight": "0.07589693",
        "shared": true
      },
      {
        "name": "FRST AM-GV OB-X",
        "value": "128154.59",
        "weight": "0.00082613",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-021289",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1810747/000094040026021289/0000940400-26-021289-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000894189-26-015426",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1976517/000089418926015426/0000894189-26-015426-index.htm"
    }
  ]
}