{
  "page": "compare",
  "query": {
    "a": "JMUB",
    "b": "OSTAX"
  },
  "retrieved_at": "2026-07-07T15:14:12+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": "JPMorgan Municipal ETF",
    "ticker": "JMUB",
    "slug": "JMUB",
    "series_id": "S000063268",
    "html_url": "https://fundwatcher.app/funds/JMUB/"
  },
  "fund_b": {
    "name": "JPMorgan Short-Intermediate Municipal Bond Fund",
    "ticker": "OSTAX",
    "slug": "OSTAX",
    "series_id": "S000003499",
    "html_url": "https://fundwatcher.app/funds/OSTAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1039297013011025815830755377",
    "coverage_b_by_a": "0.1039297013011025815830755374",
    "shared_count": 53,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
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        "name": "JPMorgan Institutional Tax Free Money Market Fund, Class IM",
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        "weight": "0.09703013",
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      },
      {
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        "weight": "0.00979517",
        "shared": false
      },
      {
        "name": "OH BUCGEN 5 06/01/2055",
        "value": "44324327.52",
        "weight": "0.00615967",
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      },
      {
        "name": "CONNECTICUT ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "40000000.00",
        "weight": "0.00555873",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "39729882.14",
        "weight": "0.00552119",
        "shared": false
      },
      {
        "name": "County of Utah UT",
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        "weight": "0.00486389",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
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        "weight": "0.00477990",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000",
        "value": "33977683.66",
        "weight": "0.00472182",
        "shared": false
      },
      {
        "name": "LONG ISLAND PWR-B",
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        "weight": "0.00471593",
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      {
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        "weight": "0.00445437",
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      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE",
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        "weight": "0.00407663",
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      },
      {
        "name": "NORTH CAROLINA HSG FIN AGY HOMEOWNERSHIP REVENUE",
        "value": "28500000.00",
        "weight": "0.00396059",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "27701292.56",
        "weight": "0.00384960",
        "shared": false
      },
      {
        "name": "TX SANUTL 02/01/2055",
        "value": "27240532.20",
        "weight": "0.00378557",
        "shared": true
      },
      {
        "name": "TX DALAPT 11/01/2050",
        "value": "26820807.50",
        "weight": "0.00372724",
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      {
        "name": "WY CAMUTL 3.62 07/15/2039",
        "value": "26526057.69",
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      {
        "name": "MONTGOMERY INDL 0% 10/1/2053 MT",
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        "weight": "0.00361384",
        "shared": false
      },
      {
        "name": "MD HLTH & HGR EDU-B",
        "value": "25000000.00",
        "weight": "0.00347420",
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      },
      {
        "name": "FRANKLIN HOSP-VAR-REF",
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        "weight": "0.00347420",
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      },
      {
        "name": "District of Columbia, Series 2025A",
        "value": "24845361.30",
        "weight": "0.00345271",
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      {
        "name": "SALES TAX SECURTZTN-C",
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        "weight": "0.00342853",
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      {
        "name": "LOWER AL GAS DT-A-REF",
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        "weight": "0.00341848",
        "shared": false
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      {
        "name": "Harris County Cultural Education Facilities Finance Corp., Series 2024F",
        "value": "24120000.00",
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      {
        "name": "ILLINOIS ST FIN AUTH REVENUE REGD V/R B/E 3.75000000",
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        "weight": "0.00309899",
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      },
      {
        "name": "Salt River Project Agricultural Improvement & Power District, Series 2025, RB",
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        "weight": "0.00295075",
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      {
        "name": "TX TAREDU 11/15/2064",
        "value": "20632915.43",
        "weight": "0.00286732",
        "shared": true
      },
      {
        "name": "TX TXSUTL 01/01/2055",
        "value": "20265708.16",
        "weight": "0.00281629",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 5/1/2055 MT",
        "value": "20021644.43",
        "weight": "0.00278237",
        "shared": false
      },
      {
        "name": "OHIO ST UNIV REGD V/R B/E 2.35000000",
        "value": "20000000.00",
        "weight": "0.00277936",
        "shared": false
      },
      {
        "name": "State of Illinois, Series 2025D",
        "value": "19946073.60",
        "weight": "0.00277187",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "19811120.09",
        "weight": "0.00275312",
        "shared": true
      },
      {
        "name": "Grossmont-Cuyamaca Community College District, Election of 2002, Series 2008C",
        "value": "19401966.42",
        "weight": "0.00269626",
        "shared": false
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      {
        "name": "NY TRNSPRTN DEV-AMT",
        "value": "19358624.05",
        "weight": "0.00269023",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2025B",
        "value": "19074951.00",
        "weight": "0.00265081",
        "shared": false
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      {
        "name": "TN TNSUTL 5 11/01/2034",
        "value": "18276101.25",
        "weight": "0.00253980",
        "shared": false
      },
      {
        "name": "NEW YORK MUNI WTR-AA2",
        "value": "18271570.82",
        "weight": "0.00253917",
        "shared": false
      },
      {
        "name": "MUNIBOND",
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        "weight": "0.00250605",
        "shared": false
      },
      {
        "name": "NOVELIS CORP (MPT) 5.0% 06-01-55",
        "value": "17793718.10",
        "weight": "0.00247276",
        "shared": true
      },
      {
        "name": "OHIO WTR DEV AUTH-A",
        "value": "17775572.90",
        "weight": "0.00247024",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH ST PERSONAL INCOME TAX REVENUE",
        "value": "17229210.13",
        "weight": "0.00239431",
        "shared": false
      },
      {
        "name": "State of Washington, Various Purpose, Series 2026C",
        "value": "17078052.00",
        "weight": "0.00237331",
        "shared": false
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      {
        "name": "Bergen County Improvement Authority (The), Series 2025 A",
        "value": "17061652.20",
        "weight": "0.00237103",
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      {
        "name": "RESTRUCTURED-SER A-2",
        "value": "17029549.40",
        "weight": "0.00236657",
        "shared": false
      },
      {
        "name": "TOBACCO SETTLEMENT FING CORP N TOBGEN 06/46 FIXED 5",
        "value": "16856328.85",
        "weight": "0.00234249",
        "shared": false
      },
      {
        "name": "State of Washington, Series 2026C",
        "value": "16717023.00",
        "weight": "0.00232313",
        "shared": false
      },
      {
        "name": "State of North Carolina, Series 2019",
        "value": "16496329.21",
        "weight": "0.00229246",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "16452497.69",
        "weight": "0.00228637",
        "shared": false
      },
      {
        "name": "AL BBEUTL 5 07/01/2033",
        "value": "16263136.50",
        "weight": "0.00226006",
        "shared": false
      },
      {
        "name": "Harris County Cultural Education Facilities Finance Corp. (Texas Children's Hospital), Series 2015, VRD RB",
        "value": "16245000.00",
        "weight": "0.00225754",
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      },
      {
        "name": "STRN UT INDN CO 5% 4/1/2035",
        "value": "16237883.00",
        "weight": "0.00225655",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "JPMorgan Institutional Tax Free Money Market Fund, Class IM",
        "value": "44215312.34",
        "weight": "0.05325983",
        "shared": true
      },
      {
        "name": "WA ST HLTH CAR 5% 8/1/2049 MT",
        "value": "15016188.00",
        "weight": "0.01808784",
        "shared": false
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      {
        "name": "TAMPA BAY WTR-A-RF/IM",
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        "weight": "0.01082952",
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      {
        "name": "TX TMGUTL 01/01/2054",
        "value": "8391455.28",
        "weight": "0.01010798",
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      },
      {
        "name": "NORTH CAROLINA HSG FIN AGY HOM REGD B/E GNMA/FN 6.50000000",
        "value": "8174020.40",
        "weight": "0.00984607",
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      },
      {
        "name": "State of Ohio, Common School, Series 2023A",
        "value": "8161020.65",
        "weight": "0.00983041",
        "shared": false
      },
      {
        "name": "MO HLTH & EDU FACS AU",
        "value": "7916118.00",
        "weight": "0.00953541",
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      },
      {
        "name": "Comal Independent School District, Unlimited Tax",
        "value": "7567165.32",
        "weight": "0.00911508",
        "shared": false
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      {
        "name": "TX DALAPT 11/01/2050",
        "value": "7509826.10",
        "weight": "0.00904601",
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      },
      {
        "name": "Chicago Midway International Airport, Senior Lien, Series 2023C",
        "value": "7425379.07",
        "weight": "0.00894429",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD N/C B/E 5.00000000",
        "value": "7213754.10",
        "weight": "0.00868937",
        "shared": false
      },
      {
        "name": "STATE OF NEW YORK SALES TAX REVENUE 5.0% 03-15-30",
        "value": "6848563.37",
        "weight": "0.00824948",
        "shared": false
      },
      {
        "name": "TN TGYPWR 12/01/2051",
        "value": "6700954.00",
        "weight": "0.00807168",
        "shared": true
      },
      {
        "name": "Pennsylvania State, General Obligation Bonds, First Series 2024",
        "value": "6551650.19",
        "weight": "0.00789183",
        "shared": false
      },
      {
        "name": "INDIANA ST FIN AUTH ENVRNMNTL REGD B/E 1.40000000",
        "value": "6535848.90",
        "weight": "0.00787280",
        "shared": false
      },
      {
        "name": "SAN ANTONIO-B-REV-REF",
        "value": "6489772.80",
        "weight": "0.00781730",
        "shared": false
      },
      {
        "name": "CURATORS OF THE UNIV OF MISSOURI MO SYS FACS REVENUE",
        "value": "6419206.67",
        "weight": "0.00773230",
        "shared": false
      },
      {
        "name": "EQUITABLE SCHOOL REVOLVING FUND LLC OBLIGATED GROUP 5.0% 11-01-28",
        "value": "6320385.00",
        "weight": "0.00761326",
        "shared": true
      },
      {
        "name": "GRAND PKWY TRANSPRTN",
        "value": "6256365.00",
        "weight": "0.00753614",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "6236019.64",
        "weight": "0.00751164",
        "shared": false
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      {
        "name": "MASSACHUSETTS ST DEV FIN AGY REVENUE",
        "value": "5979076.40",
        "weight": "0.00720213",
        "shared": false
      },
      {
        "name": "CYPRESS-FAIRBANKS ISD",
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        "weight": "0.00667680",
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      },
      {
        "name": "Arizona (State of) Sports & Tourism Authority, Series 2022, Ref. RB",
        "value": "5514424.00",
        "weight": "0.00664243",
        "shared": false
      },
      {
        "name": "State of Connecticut, Series 2025D",
        "value": "5477475.00",
        "weight": "0.00659793",
        "shared": false
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      {
        "name": "Springfield (City of), IL, Series 2024, Ref. RB",
        "value": "5463960.00",
        "weight": "0.00658165",
        "shared": false
      },
      {
        "name": "Montgomery (County of), PA Industrial Development Authority (Constellation Energy Generation, LLC), Series 2023 B, Ref. RB",
        "value": "5455257.60",
        "weight": "0.00657116",
        "shared": false
      },
      {
        "name": "Health Educational and Housing Facility Board of the City of Memphis (The), Arbors Hickory Ridge Project, Series 2012",
        "value": "5439923.77",
        "weight": "0.00655269",
        "shared": false
      },
      {
        "name": "SOUTHCENTRL PA GEN AUTH REVENUE",
        "value": "5414915.50",
        "weight": "0.00652257",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH REVENUES NON ST SUPPORTED DEBT",
        "value": "5413936.46",
        "weight": "0.00652139",
        "shared": false
      },
      {
        "name": "NEW MEXICO ST FIN AUTH ST TRANSPRTN REVENUE",
        "value": "5405821.55",
        "weight": "0.00651162",
        "shared": false
      },
      {
        "name": "NJ TRANSPRTN-A-REF",
        "value": "5390006.77",
        "weight": "0.00649257",
        "shared": false
      },
      {
        "name": "Cypress-Fairbanks Independent School District, Unlimited Tax",
        "value": "5371258.68",
        "weight": "0.00646998",
        "shared": false
      },
      {
        "name": "MTRO WA DC ARPT 5% 10/1/2028 @",
        "value": "5323577.00",
        "weight": "0.00641255",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "5254701.50",
        "weight": "0.00632958",
        "shared": false
      },
      {
        "name": "Cleveland County Educational Facilities Authority, Series 2021",
        "value": "5246117.52",
        "weight": "0.00631924",
        "shared": false
      },
      {
        "name": "ILLINOIS ST HSG DEV AUTH REVENUE",
        "value": "5226285.77",
        "weight": "0.00629536",
        "shared": true
      },
      {
        "name": "Port Authority of New York and New Jersey, Consolidated, Series 246",
        "value": "5182166.50",
        "weight": "0.00624221",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.6% 10-01-46",
        "value": "5026765.50",
        "weight": "0.00605502",
        "shared": true
      },
      {
        "name": "NJ TRANSPRTN-A-REF 5 6/31",
        "value": "4783585.83",
        "weight": "0.00576210",
        "shared": true
      },
      {
        "name": "Pennsylvania (Commonwealth of), Series 2024, GO Bonds",
        "value": "4538641.20",
        "weight": "0.00546705",
        "shared": false
      },
      {
        "name": "Maricopa County Pollution Control Corp., Series A",
        "value": "4449649.95",
        "weight": "0.00535985",
        "shared": false
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      {
        "name": "State of Illinois, Series 2024B",
        "value": "4418507.87",
        "weight": "0.00532234",
        "shared": false
      },
      {
        "name": "County of Miami-Dade Water and Sewer System, Series 2025B",
        "value": "4391286.40",
        "weight": "0.00528955",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "4356486.00",
        "weight": "0.00524763",
        "shared": true
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE REGD N/C B/E 5.00000000",
        "value": "4348829.82",
        "weight": "0.00523841",
        "shared": false
      },
      {
        "name": "District of Columbia, Series 2025A",
        "value": "4333493.25",
        "weight": "0.00521994",
        "shared": true
      },
      {
        "name": "Metropolitan Council, Series 2021 C, GO Bonds",
        "value": "4303646.11",
        "weight": "0.00518398",
        "shared": false
      },
      {
        "name": "County of Miami-Dade Water and Sewer System, Series 2025B",
        "value": "4285552.80",
        "weight": "0.00516219",
        "shared": false
      },
      {
        "name": "IRVING ISD-REF",
        "value": "4231058.68",
        "weight": "0.00509655",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST HSG FIN AGYM REGD V/R B/E 5.00000000",
        "value": "4221677.60",
        "weight": "0.00508525",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-009323",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1485894/000207169126009323/0002071691-26-009323-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009306",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/763852/000207169126009306/0002071691-26-009306-index.htm"
    }
  ]
}