{
  "page": "compare",
  "query": {
    "a": "IBTI",
    "b": "SWSBX"
  },
  "retrieved_at": "2026-07-07T18:54:07+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 Dec 2028 Term Treasury ETF",
    "ticker": "IBTI",
    "slug": "IBTI",
    "series_id": "S000067563",
    "html_url": "https://fundwatcher.app/funds/IBTI/"
  },
  "fund_b": {
    "name": "Schwab Short-Term Bond Index Fund",
    "ticker": "SWSBX",
    "slug": "SWSBX",
    "series_id": "S000056208",
    "html_url": "https://fundwatcher.app/funds/SWSBX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1818402480434073804112644939",
    "coverage_b_by_a": "0.1818402480434073804112644939",
    "shared_count": 40,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "US TREASURY N/B",
        "value": "45264930.66",
        "weight": "0.02991276",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "44461729.81",
        "weight": "0.02938197",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43412203.72",
        "weight": "0.02868841",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43406307.00",
        "weight": "0.02868451",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43309538.33",
        "weight": "0.02862056",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43266455.49",
        "weight": "0.02859209",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43244024.88",
        "weight": "0.02857727",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43157767.66",
        "weight": "0.02852027",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43078567.59",
        "weight": "0.02846793",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43071601.55",
        "weight": "0.02846332",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "43062156.16",
        "weight": "0.02845708",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "42325249.36",
        "weight": "0.02797011",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "42122751.74",
        "weight": "0.02783629",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41966594.66",
        "weight": "0.02773309",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41883147.83",
        "weight": "0.02767795",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41737979.25",
        "weight": "0.02758202",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41703574.56",
        "weight": "0.02755928",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41670745.42",
        "weight": "0.02753759",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41640385.50",
        "weight": "0.02751752",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41482519.92",
        "weight": "0.02741320",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41397995.61",
        "weight": "0.02735734",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41341930.03",
        "weight": "0.02732029",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "41292966.61",
        "weight": "0.02728794",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "40236585.89",
        "weight": "0.02658984",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "39672099.33",
        "weight": "0.02621681",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "39472277.00",
        "weight": "0.02608476",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "38391442.18",
        "weight": "0.02537050",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "38283832.18",
        "weight": "0.02529939",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "38076531.00",
        "weight": "0.02516239",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "37143214.75",
        "weight": "0.02454562",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "33241258.81",
        "weight": "0.02196707",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "32411861.21",
        "weight": "0.02141897",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "31600570.69",
        "weight": "0.02088284",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "31405331.12",
        "weight": "0.02075382",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "30828877.65",
        "weight": "0.02037287",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "30551962.97",
        "weight": "0.02018988",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "30452801.24",
        "weight": "0.02012435",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "29298802.34",
        "weight": "0.01936174",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "6179744.75",
        "weight": "0.00408381",
        "shared": true
      },
      {
        "name": "BlackRock Cash Funds: Treasury, SL Agency Shares",
        "value": "3812910.90",
        "weight": "0.00251971",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2870381.79",
        "weight": "0.00189686",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "US TREASURY N/B",
        "value": "15731277.38",
        "weight": "0.00956048",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "14893597.62",
        "weight": "0.00905139",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "14584882.88",
        "weight": "0.00886377",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "13867683.16",
        "weight": "0.00842790",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "13455957.03",
        "weight": "0.00817768",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "12579521.52",
        "weight": "0.00764504",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "12336996.06",
        "weight": "0.00749765",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "12261953.19",
        "weight": "0.00745204",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "12214058.55",
        "weight": "0.00742293",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "11294384.74",
        "weight": "0.00686401",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "11207739.29",
        "weight": "0.00681136",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "10545878.96",
        "weight": "0.00640912",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10349488.31",
        "weight": "0.00628977",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10255068.33",
        "weight": "0.00623238",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10203525.42",
        "weight": "0.00620106",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10080032.21",
        "weight": "0.00612601",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9978515.63",
        "weight": "0.00606431",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9930550.81",
        "weight": "0.00603516",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9876811.55",
        "weight": "0.00600250",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9850655.25",
        "weight": "0.00598661",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9837515.67",
        "weight": "0.00597862",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9807890.63",
        "weight": "0.00596062",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9801658.25",
        "weight": "0.00595683",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9787008.81",
        "weight": "0.00594793",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9745476.56",
        "weight": "0.00592269",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9726479.47",
        "weight": "0.00591114",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9646500.00",
        "weight": "0.00586253",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9635965.84",
        "weight": "0.00585613",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9621374.98",
        "weight": "0.00584726",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9620679.66",
        "weight": "0.00584684",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9606515.65",
        "weight": "0.00583823",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9601626.34",
        "weight": "0.00583526",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9589835.91",
        "weight": "0.00582810",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9586035.20",
        "weight": "0.00582579",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9575148.41",
        "weight": "0.00581917",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9561750.99",
        "weight": "0.00581103",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9543035.13",
        "weight": "0.00579965",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9506187.50",
        "weight": "0.00577726",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9425703.17",
        "weight": "0.00572835",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9395140.65",
        "weight": "0.00570977",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9354511.68",
        "weight": "0.00568508",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "9253207.05",
        "weight": "0.00562352",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8901509.74",
        "weight": "0.00540978",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "8861036.15",
        "weight": "0.00538518",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8808617.17",
        "weight": "0.00535332",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8274637.71",
        "weight": "0.00502880",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "8258296.92",
        "weight": "0.00501887",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8251496.14",
        "weight": "0.00501474",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "8245348.64",
        "weight": "0.00501100",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8239820.33",
        "weight": "0.00500764",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-007297",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126007297/0002071691-26-007297-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-039971",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/869365/000141036826039971/0001410368-26-039971-index.htm"
    }
  ]
}