{
  "page": "compare",
  "query": {
    "a": "BTIAX",
    "b": "NHYMX"
  },
  "retrieved_at": "2026-07-07T17:11:28+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": "U.S. Treasury Index Fund",
    "ticker": "BTIAX",
    "slug": "BTIAX",
    "series_id": "S000038897",
    "html_url": "https://fundwatcher.app/funds/BTIAX/"
  },
  "fund_b": {
    "name": "High Yield Municipal Fund",
    "ticker": "NHYMX",
    "slug": "NHYMX",
    "series_id": "S000001257",
    "html_url": "https://fundwatcher.app/funds/NHYMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02852552893281646425758586221",
    "coverage_b_by_a": "0.02852552893281646425758586221",
    "shared_count": 1,
    "as_of": {
      "a": "2025-03-31",
      "b": "2024-12-31"
    },
    "a_top": [
      {
        "name": "Northern Institutional Funds GOVT PTFL",
        "value": "64122535.90",
        "weight": "1.00000000",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "Tarrant County Cultural Education Facilities Finance Corp., Series A",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "NEW YORK NY REGD V/R B/E 2.50000000",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "BAY AREA TOLL-H",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA REVENUES",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "ESTRN CA MUNI WTR DIST WTR   W EASWTR 07/46 ADJUSTABLE VAR",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "CTSHGR 2.5 07/1/2042",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "BAY AREA TOLL AUTHORITY FRN 04-01-55",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "Tarrant County Cultural Education Facilities Finance Corp., Baylor Scott and White Health Project, Series 2024B",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "Los Angeles Department of Water & Power, Series 2023 F-1",
        "value": "15000000.00",
        "weight": "0.04020570",
        "shared": false
      },
      {
        "name": "WI UNVMED 04/01/2054",
        "value": "12200000.00",
        "weight": "0.03270064",
        "shared": false
      },
      {
        "name": "Northern Institutional Funds GOVT PTFL",
        "value": "10642344.80",
        "weight": "0.02852553",
        "shared": true
      },
      {
        "name": "NEW YORK CITY NY MUNI WTR FIN REGD V/R B/E 2.40000000",
        "value": "10000000.00",
        "weight": "0.02680380",
        "shared": false
      },
      {
        "name": "NYC WTR-A-1-DD-2ND GE",
        "value": "10000000.00",
        "weight": "0.02680380",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR FIN-BB-2",
        "value": "10000000.00",
        "weight": "0.02680380",
        "shared": false
      },
      {
        "name": "CT HLTH&EDU FACS AUTH",
        "value": "10000000.00",
        "weight": "0.02680380",
        "shared": false
      },
      {
        "name": "AZ HLTH FACS AUTH-C",
        "value": "9875000.00",
        "weight": "0.02646875",
        "shared": false
      },
      {
        "name": "Washington Metropolitan Area Transit Authority, Series 2024 A",
        "value": "6693518.75",
        "weight": "0.01794117",
        "shared": false
      },
      {
        "name": "CHARLOTTE-MECKLENBURG NC HOSPAUTH HLTH CARE SYS REVENUE",
        "value": "5600000.00",
        "weight": "0.01501013",
        "shared": false
      },
      {
        "name": "TARRANT RETIRE 5% 11/15/2046",
        "value": "3872296.00",
        "weight": "0.01037923",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "3714829.51",
        "weight": "0.00995715",
        "shared": false
      },
      {
        "name": "Snohomish County School District No 15 Edmonds, Series 2024, GO Bonds",
        "value": "3619446.53",
        "weight": "0.00970149",
        "shared": false
      },
      {
        "name": "City of Glendale, Series 2024",
        "value": "3610727.23",
        "weight": "0.00967812",
        "shared": false
      },
      {
        "name": "Payne County Economic Development Authority, Series 2024, RB",
        "value": "3607117.35",
        "weight": "0.00966845",
        "shared": false
      },
      {
        "name": "STATE OF CONNECTICUT SPECIAL TAX REVENUE",
        "value": "3559934.77",
        "weight": "0.00954198",
        "shared": false
      },
      {
        "name": "IL TOLL HWY AUTH-B",
        "value": "3516922.56",
        "weight": "0.00942669",
        "shared": false
      },
      {
        "name": "State of Minnesota, Series 2021A",
        "value": "3166123.20",
        "weight": "0.00848641",
        "shared": false
      },
      {
        "name": "State of Oregon",
        "value": "3096717.68",
        "weight": "0.00830038",
        "shared": false
      },
      {
        "name": "Salt River Project Agricultural Improvement & Power District, Series 2016A",
        "value": "2900082.63",
        "weight": "0.00777332",
        "shared": false
      },
      {
        "name": "LEAVENWORTH CNTY KS UNIF SCH D LEASCD 09/41 FIXED 5",
        "value": "2791913.90",
        "weight": "0.00748339",
        "shared": false
      },
      {
        "name": "NJ ECON-REF-SCH-N-1",
        "value": "2776445.39",
        "weight": "0.00744193",
        "shared": false
      },
      {
        "name": "WY CAMUTL 3.62 07/15/2039",
        "value": "2710255.20",
        "weight": "0.00726451",
        "shared": false
      },
      {
        "name": "Idaho Housing and Finance Association, Nonprofit Facilities Revenue Bonds, Future Public School Project, Series 2022A",
        "value": "2686843.69",
        "weight": "0.00720176",
        "shared": false
      },
      {
        "name": "TX NRTWTR 5 09/01/2025",
        "value": "2328992.19",
        "weight": "0.00624258",
        "shared": false
      },
      {
        "name": "N W ALLEN SCH BLDG",
        "value": "2250534.86",
        "weight": "0.00603229",
        "shared": false
      },
      {
        "name": "KS KSSTRN 5 09/01/2040",
        "value": "2230102.40",
        "weight": "0.00597752",
        "shared": false
      },
      {
        "name": "MO CMDSCD 5 03/01/2035",
        "value": "2201893.80",
        "weight": "0.00590191",
        "shared": false
      },
      {
        "name": "INDIANA ST FIN AUTH REVENUE",
        "value": "2178025.62",
        "weight": "0.00583794",
        "shared": false
      },
      {
        "name": "LOWER AL GAS DIST GAS PROJ REV LWRUTL 09/46 FIXED 5",
        "value": "2166775.80",
        "weight": "0.00580778",
        "shared": false
      },
      {
        "name": "IN HMLFAC 5 07/10/2040",
        "value": "2084930.42",
        "weight": "0.00558841",
        "shared": false
      },
      {
        "name": "State of Illinois, Series C",
        "value": "2084557.80",
        "weight": "0.00558741",
        "shared": false
      },
      {
        "name": "NJ EDA REV 5.25% 9/1/26",
        "value": "2067822.80",
        "weight": "0.00554255",
        "shared": false
      },
      {
        "name": "RI COMMERCE CORP-B",
        "value": "2018819.92",
        "weight": "0.00541120",
        "shared": false
      },
      {
        "name": "CALIFORNIA ENT. DEV 5.00%",
        "value": "1803268.63",
        "weight": "0.00483345",
        "shared": false
      },
      {
        "name": "Capital Trust Agency, Florida, Revenue Bonds, Tallahassee Classical School Inc., Series 2021A",
        "value": "1773979.50",
        "weight": "0.00475494",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH ST PERSONAL INCOME TAX REVENUE",
        "value": "1770828.69",
        "weight": "0.00474649",
        "shared": false
      },
      {
        "name": "OKLAHOMA ST CAPITOL IMPT AUTH ST FACS REVENUE",
        "value": "1730982.33",
        "weight": "0.00463969",
        "shared": false
      },
      {
        "name": "WATERLOO IA",
        "value": "1729334.35",
        "weight": "0.00463527",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA JOBS-ECONOMIC DEVELOPMENT AUTHORITY 5.0% 08-15-41",
        "value": "1711217.57",
        "weight": "0.00458671",
        "shared": false
      },
      {
        "name": "Nashville (City of) & Davidson (County of), TN Metropolitan Government Health & Educational Facilities Board (The) (Vanderbilt Univ Medical Center)",
        "value": "1710329.24",
        "weight": "0.00458433",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001145549-25-032952",
      "as_of": "2025-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916620/000114554925032952/0001145549-25-032952-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001145549-25-008820",
      "as_of": "2024-12-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916620/000114554925008820/0001145549-25-008820-index.htm"
    }
  ]
}