{
  "page": "compare",
  "query": {
    "a": "VSDM",
    "b": "ASTEX"
  },
  "retrieved_at": "2026-07-07T18:05:54+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": "VANGUARD SHORT DURATION TAX-EXEMPT BOND ETF",
    "ticker": "VSDM",
    "slug": "VSDM",
    "series_id": "S000088616",
    "html_url": "https://fundwatcher.app/funds/VSDM/"
  },
  "fund_b": {
    "name": "American Funds Short-Term Tax-Exempt Bond Fund",
    "ticker": "ASTEX",
    "slug": "ASTEX",
    "series_id": "S000009233",
    "html_url": "https://fundwatcher.app/funds/ASTEX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08653560747577789473725120963",
    "coverage_b_by_a": "0.08653560747577789473725120964",
    "shared_count": 158,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "Vanguard Municipal Cash Management Fund",
        "value": "3600527.93",
        "weight": "0.00846319",
        "shared": false
      },
      {
        "name": "TX TMGUTL 01/01/2054",
        "value": "2765206.51",
        "weight": "0.00649973",
        "shared": true
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "2257036.97",
        "weight": "0.00530526",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "2046913.97",
        "weight": "0.00481136",
        "shared": true
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "1808906.42",
        "weight": "0.00425191",
        "shared": true
      },
      {
        "name": "TENNERGY CORP TN GAS REVENUE TENNERGY CORP/TN",
        "value": "1702679.50",
        "weight": "0.00400222",
        "shared": false
      },
      {
        "name": "NM MUNI ENERGY ACQ AU",
        "value": "1658337.53",
        "weight": "0.00389799",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "1636786.88",
        "weight": "0.00384734",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 D, RB",
        "value": "1626861.08",
        "weight": "0.00382401",
        "shared": true
      },
      {
        "name": "LOWER CO RIVER AUTH-B",
        "value": "1619624.48",
        "weight": "0.00380700",
        "shared": false
      },
      {
        "name": "STATE OF ILLINOIS 5.0% 05-01-33",
        "value": "1603864.63",
        "weight": "0.00376995",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "1588186.02",
        "weight": "0.00373310",
        "shared": false
      },
      {
        "name": "SOUDERTON AREA SD",
        "value": "1569073.99",
        "weight": "0.00368817",
        "shared": false
      },
      {
        "name": "FRT SMTH AR W and S 5% 10/1/2031",
        "value": "1508440.36",
        "weight": "0.00354565",
        "shared": false
      },
      {
        "name": "UNIV WI HOSP CLINIC-B",
        "value": "1483092.03",
        "weight": "0.00348607",
        "shared": false
      },
      {
        "name": "HIDALGO DRN #1-UNREF",
        "value": "1450041.18",
        "weight": "0.00340838",
        "shared": false
      },
      {
        "name": "NY NY CITY HS(NEW YORK MHSG) 3.25% 2/1/30 MT 65",
        "value": "1444773.47",
        "weight": "0.00339600",
        "shared": true
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "1436453.87",
        "weight": "0.00337645",
        "shared": true
      },
      {
        "name": "STHRN CA PUB PWR-A",
        "value": "1429303.90",
        "weight": "0.00335964",
        "shared": false
      },
      {
        "name": "PATRIOTS EN GRP 5.25% MT",
        "value": "1419763.49",
        "weight": "0.00333721",
        "shared": false
      },
      {
        "name": "MINNEAPOLS MN 5% MT",
        "value": "1378626.31",
        "weight": "0.00324052",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "1359022.30",
        "weight": "0.00319444",
        "shared": true
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "1347240.38",
        "weight": "0.00316675",
        "shared": true
      },
      {
        "name": "MINNEAPOLIS MN HLTH CARE SYS R REGD V/R B/E 5.00000000",
        "value": "1318845.84",
        "weight": "0.00310000",
        "shared": false
      },
      {
        "name": "Energy Southeast Cooperative District, Alabama, Energy Supply Revenue Bonds, Series 2025B",
        "value": "1318748.38",
        "weight": "0.00309977",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "1290117.43",
        "weight": "0.00303248",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "1265804.06",
        "weight": "0.00297533",
        "shared": false
      },
      {
        "name": "Buckeye Tobacco Settlement Financing Authority, Ohio, Tobacco Settlement Asset-Backed Revenue Bonds, Refunding Senior Lien Series 2020A-2 Class 1",
        "value": "1249377.86",
        "weight": "0.00293672",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "1248249.28",
        "weight": "0.00293406",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "1232373.74",
        "weight": "0.00289675",
        "shared": true
      },
      {
        "name": "TX TRANSPRTN-B-REF",
        "value": "1229984.10",
        "weight": "0.00289113",
        "shared": false
      },
      {
        "name": "WAUKEGAN-B",
        "value": "1209110.13",
        "weight": "0.00284206",
        "shared": false
      },
      {
        "name": "LOWER AL GAS DT-A-REF",
        "value": "1202568.04",
        "weight": "0.00282669",
        "shared": true
      },
      {
        "name": "California Community Choice Financing Authority, Series C",
        "value": "1197898.54",
        "weight": "0.00281571",
        "shared": true
      },
      {
        "name": "TENNERGY CORP TN GAS REVENUE TGYPWR 10/53 ADJUSTABLE VAR",
        "value": "1176843.14",
        "weight": "0.00276622",
        "shared": false
      },
      {
        "name": "NY TRANS FIN AUTH-D-1",
        "value": "1167172.30",
        "weight": "0.00274349",
        "shared": false
      },
      {
        "name": "TARRANT EFFC HO 5% MT",
        "value": "1164133.50",
        "weight": "0.00273634",
        "shared": false
      },
      {
        "name": "COOK CO SD #78",
        "value": "1134211.70",
        "weight": "0.00266601",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "1119652.17",
        "weight": "0.00263179",
        "shared": false
      },
      {
        "name": "TX NSDSCD 08/01/2054",
        "value": "1098192.73",
        "weight": "0.00258135",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "1090605.01",
        "weight": "0.00256351",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "1085706.70",
        "weight": "0.00255200",
        "shared": false
      },
      {
        "name": "Bay Area Toll Authority, Series 2021 A",
        "value": "1076610.70",
        "weight": "0.00253062",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Commodity Supply Revenue Bonds, Project 2, Series 2021B-1",
        "value": "1073830.98",
        "weight": "0.00252409",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "1061626.70",
        "weight": "0.00249540",
        "shared": false
      },
      {
        "name": "JOHNSON HLTH & EDU",
        "value": "1061168.74",
        "weight": "0.00249432",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "1058833.40",
        "weight": "0.00248883",
        "shared": false
      },
      {
        "name": "PHILA PA SD 5% 09/01/34",
        "value": "1052040.80",
        "weight": "0.00247287",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA CAPITAL FACILIT NCSEDU 05/33 FIXED 4",
        "value": "1045599.40",
        "weight": "0.00245773",
        "shared": false
      },
      {
        "name": "BLACK BELT GAS DT-E",
        "value": "1026017.31",
        "weight": "0.00241170",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "UTILITY-TE-2",
        "value": "22289480.00",
        "weight": "0.00962619",
        "shared": false
      },
      {
        "name": "UNIV OF MICHIGAN MI REGD V/R B/E 2.40000000",
        "value": "18600000.00",
        "weight": "0.00803281",
        "shared": false
      },
      {
        "name": "PEFA INC VAR",
        "value": "18563433.92",
        "weight": "0.00801701",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.6% 10-01-46",
        "value": "17594710.00",
        "weight": "0.00759865",
        "shared": false
      },
      {
        "name": "CA STWD CMNTYS DEV-A",
        "value": "16689206.50",
        "weight": "0.00720759",
        "shared": false
      },
      {
        "name": "MS BUS FIN-VAR-J-CHEV",
        "value": "15300000.00",
        "weight": "0.00660763",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH REVENUES",
        "value": "14800000.00",
        "weight": "0.00639169",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "13649080.50",
        "weight": "0.00589465",
        "shared": true
      },
      {
        "name": "ARIZONA ST INDL DEV AUTH MF HS REGD V/R B/E 5.00000000",
        "value": "12679041.55",
        "weight": "0.00547571",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.25% 06-01-48",
        "value": "11466338.65",
        "weight": "0.00495198",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "10777338.33",
        "weight": "0.00465442",
        "shared": true
      },
      {
        "name": "Los Angeles (City of), CA, Series 2025, RN",
        "value": "10115010.00",
        "weight": "0.00436838",
        "shared": false
      },
      {
        "name": "State of Georgia, Series 2022C",
        "value": "10074610.00",
        "weight": "0.00435093",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.875% 08-01-38",
        "value": "10029470.00",
        "weight": "0.00433144",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE REGD V/R B/E 3.45000000",
        "value": "10000000.00",
        "weight": "0.00431871",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "9957705.23",
        "weight": "0.00430045",
        "shared": true
      },
      {
        "name": "UTAH ST HSG CORP MF REVENUE REGD N/C B/E HUD SEC 3.62500000",
        "value": "9830000.00",
        "weight": "0.00424529",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.00000000",
        "value": "9412139.07",
        "weight": "0.00406483",
        "shared": false
      },
      {
        "name": "VIRGINIA HSG DEV-G",
        "value": "9396183.77",
        "weight": "0.00405794",
        "shared": true
      },
      {
        "name": "State of Hawaii Department of Budget and Finance, The Queen's Health Systems, Series 2025B",
        "value": "9200000.00",
        "weight": "0.00397322",
        "shared": false
      },
      {
        "name": "MISSISSIPPI ST BUSINESS FIN COMMISSION GULF OPPORTUNITY ZONE",
        "value": "9200000.00",
        "weight": "0.00397322",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "9026444.36",
        "weight": "0.00389826",
        "shared": true
      },
      {
        "name": "State of Colorado, Series B",
        "value": "8949916.50",
        "weight": "0.00386521",
        "shared": false
      },
      {
        "name": "PREREF CENTRL FL EXPRESSWAY AUTH SR L REGD B/E PREREFUNDED 07/01/26 @ 100 4.00000000",
        "value": "8708428.37",
        "weight": "0.00376092",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
        "value": "8694931.42",
        "weight": "0.00375509",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "8639945.58",
        "weight": "0.00373134",
        "shared": false
      },
      {
        "name": "NEW YORK MUNI WTR-AA2",
        "value": "8253699.75",
        "weight": "0.00356454",
        "shared": false
      },
      {
        "name": "PREREF BEXAR CNTY TX REGD B/E PREREFUNDED 06/15/26 @ 100 5.00000000",
        "value": "8077896.00",
        "weight": "0.00348861",
        "shared": false
      },
      {
        "name": "QUEEN'S HEALTH SYSTEMS OBLIGATED GROUP FRN 07-01-51",
        "value": "8000000.00",
        "weight": "0.00345497",
        "shared": false
      },
      {
        "name": "PALMDALE FAMILY HOUSING LP (MPT) 2.95% 01-01-56",
        "value": "7961034.80",
        "weight": "0.00343814",
        "shared": true
      },
      {
        "name": "STHRN CA PUB PWR-B",
        "value": "7840918.80",
        "weight": "0.00338627",
        "shared": false
      },
      {
        "name": "STATE OF NORTH CAROLINA 5.0% 06-01-29",
        "value": "7796649.18",
        "weight": "0.00336715",
        "shared": false
      },
      {
        "name": "MI HSG ST DEV AUTH-A",
        "value": "7767187.95",
        "weight": "0.00335443",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2024A-1",
        "value": "7418313.00",
        "weight": "0.00320376",
        "shared": true
      },
      {
        "name": "NYC TRANSITIONAL-F-1",
        "value": "7405853.00",
        "weight": "0.00319838",
        "shared": false
      },
      {
        "name": "HOUSTON TX ISD",
        "value": "7319753.80",
        "weight": "0.00316119",
        "shared": true
      },
      {
        "name": "LOS ANGELES DEPT-C",
        "value": "7267291.79",
        "weight": "0.00313853",
        "shared": true
      },
      {
        "name": "CARROLLTON-FARMERS BRANCH INDEPENDENT SCHOOL DISTRICT PSF-GTD 5.0% 02-15-27",
        "value": "7197512.00",
        "weight": "0.00310840",
        "shared": false
      },
      {
        "name": "NORTH PORT PRESERVATION LTD DIVIDEND HOUSING ASSOCIATION LLC FHA 223(F) (MPT) 5.0% 08-01-27",
        "value": "7149353.68",
        "weight": "0.00308760",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "7146357.68",
        "weight": "0.00308631",
        "shared": true
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "7142265.79",
        "weight": "0.00308454",
        "shared": true
      },
      {
        "name": "WISE VA IDA SW 3.125% MT",
        "value": "7072009.00",
        "weight": "0.00305420",
        "shared": false
      },
      {
        "name": "NEW HAVEN UNIFIED SCHOOL DISTRICT AG 0.0% 08-01-29",
        "value": "7002963.00",
        "weight": "0.00302438",
        "shared": false
      },
      {
        "name": "TX EXXON 12 G=EXXON V1",
        "value": "7000000.00",
        "weight": "0.00302310",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR FIN-DD",
        "value": "6931892.50",
        "weight": "0.00299369",
        "shared": false
      },
      {
        "name": "EXXON MOBIL CORP FRN 12-01-40",
        "value": "6800000.00",
        "weight": "0.00293672",
        "shared": false
      },
      {
        "name": "RUSH SYSTEM FOR HEALTH OBLIGATED GROUP 5.0% 11-15-30",
        "value": "6785843.75",
        "weight": "0.00293061",
        "shared": true
      },
      {
        "name": "PORT OF PORTLAND OR AIRPORT REVENUE 5.0% 07-01-31",
        "value": "6678432.00",
        "weight": "0.00288422",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "6555042.00",
        "weight": "0.00283093",
        "shared": true
      },
      {
        "name": "DICKSON TN HLTH EDUCTNL & HSG FAC BRD MF REVENUE",
        "value": "6518635.31",
        "weight": "0.00281521",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000225997-26-000122",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/225997/000022599726000122/0000225997-26-000122-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001193125-26-130879",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/845376/000119312526130879/0001193125-26-130879-index.htm"
    }
  ]
}