{
  "page": "compare",
  "query": {
    "a": "IBIH",
    "b": "DFIP"
  },
  "retrieved_at": "2026-07-07T16:53:32+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": "iShares iBonds Oct 2031 Term TIPS ETF",
    "ticker": "IBIH",
    "slug": "IBIH",
    "series_id": "S000080891",
    "html_url": "https://fundwatcher.app/funds/IBIH/"
  },
  "fund_b": {
    "name": "Dimensional Inflation-Protected Securities Portfolio ETF",
    "ticker": "DFIP",
    "slug": "DFIP",
    "series_id": "S000073561",
    "html_url": "https://fundwatcher.app/funds/DFIP/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2297701014303709553441820180",
    "coverage_b_by_a": "0.2297701014303709553441820180",
    "shared_count": 2,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-04-30"
    },
    "a_top": [
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "19096875.56",
        "weight": "0.50287361",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "18852314.85",
        "weight": "0.49643365",
        "shared": true
      },
      {
        "name": "BlackRock Cash Funds: Treasury, SL Agency Shares",
        "value": "26307.25",
        "weight": "0.00069274",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "132040834.36",
        "weight": "0.12117357",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "128265287.01",
        "weight": "0.11770876",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "122111389.92",
        "weight": "0.11206134",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
        "value": "120343599.68",
        "weight": "0.11043905",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32",
        "value": "91385333.62",
        "weight": "0.08386411",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32",
        "value": "79393971.33",
        "weight": "0.07285967",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "69426322.11",
        "weight": "0.06371238",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40",
        "value": "56458836.50",
        "weight": "0.05181214",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "48800210.60",
        "weight": "0.04478384",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "37942939.56",
        "weight": "0.03482015",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044",
        "value": "30569557.09",
        "weight": "0.02805361",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042",
        "value": "28509542.95",
        "weight": "0.02616314",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043",
        "value": "27244249.29",
        "weight": "0.02500199",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034",
        "value": "26512199.81",
        "weight": "0.02433018",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045",
        "value": "23806652.51",
        "weight": "0.02184731",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033",
        "value": "21370372.18",
        "weight": "0.01961154",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46",
        "value": "16447484.84",
        "weight": "0.01509382",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "10666939.05",
        "weight": "0.00978903",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "10303412.13",
        "weight": "0.00945542",
        "shared": false
      },
      {
        "name": "SSC GOVERNMENT MM GVMXX   /",
        "value": "5931645.97",
        "weight": "0.00544346",
        "shared": false
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "2152669.91",
        "weight": "0.00197550",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-007303",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126007303/0002071691-26-007303-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001004726-26-005660",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1816125/000100472626005660/0001004726-26-005660-index.htm"
    }
  ]
}