{
  "page": "compare",
  "query": {
    "a": "FSABX",
    "b": "FSTFX"
  },
  "retrieved_at": "2026-07-07T13:32:48+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": "Fidelity SAI Municipal Bond Index Fund",
    "ticker": "FSABX",
    "slug": "FSABX",
    "series_id": "S000065747",
    "html_url": "https://fundwatcher.app/funds/FSABX/"
  },
  "fund_b": {
    "name": "Fidelity Limited Term Municipal Income Fund",
    "ticker": "FSTFX",
    "slug": "FSTFX",
    "series_id": "S000007128",
    "html_url": "https://fundwatcher.app/funds/FSTFX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02349053108572319812998233920",
    "coverage_b_by_a": "0.02349053108572319812998233920",
    "shared_count": 11,
    "as_of": {
      "a": "2025-09-30",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "Fidelity Municipal Cash Central Fund",
        "value": "999793.02",
        "weight": "0.01302048",
        "shared": true
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "773847.29",
        "weight": "0.01007795",
        "shared": false
      },
      {
        "name": "NY ST URBAN DEV-A",
        "value": "521812.91",
        "weight": "0.00679566",
        "shared": false
      },
      {
        "name": "LOS ANGELES UNIF SD-A",
        "value": "465738.31",
        "weight": "0.00606539",
        "shared": false
      },
      {
        "name": "NY STATE UR D 5% 3/15/2037",
        "value": "457113.14",
        "weight": "0.00595307",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR FIN-BB-2",
        "value": "423432.36",
        "weight": "0.00551444",
        "shared": false
      },
      {
        "name": "CA ST 3% 11/1/2035",
        "value": "410311.96",
        "weight": "0.00534357",
        "shared": false
      },
      {
        "name": "Salt River Project Agricultural Improvement & Power District, Series 2016 A, Ref. RB",
        "value": "391142.21",
        "weight": "0.00509392",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "381106.60",
        "weight": "0.00496322",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series 2020, GO Bonds",
        "value": "379533.13",
        "weight": "0.00494273",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL FIN",
        "value": "370702.08",
        "weight": "0.00482772",
        "shared": false
      },
      {
        "name": "Triborough Bridge & Tunnel Authority, Series 2021 C-2, Ref. RB",
        "value": "360707.29",
        "weight": "0.00469756",
        "shared": false
      },
      {
        "name": "State of Maryland, Series A",
        "value": "345711.49",
        "weight": "0.00450226",
        "shared": false
      },
      {
        "name": "State of Illinois, Series A",
        "value": "334706.18",
        "weight": "0.00435894",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5% 11/15/2037",
        "value": "334270.83",
        "weight": "0.00435327",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE",
        "value": "333875.58",
        "weight": "0.00434812",
        "shared": false
      },
      {
        "name": "HUDSON YARDS NY 5% 2/15/2030",
        "value": "330881.60",
        "weight": "0.00430913",
        "shared": false
      },
      {
        "name": "BLACK BELT-SER-C",
        "value": "325601.40",
        "weight": "0.00424037",
        "shared": true
      },
      {
        "name": "NYC TRANSITIONAL FIN",
        "value": "321326.65",
        "weight": "0.00418469",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 5.0% 04-01-41",
        "value": "321120.60",
        "weight": "0.00418201",
        "shared": false
      },
      {
        "name": "PHILADELPHIA WTR-REF",
        "value": "299561.95",
        "weight": "0.00390125",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "296981.80",
        "weight": "0.00386765",
        "shared": true
      },
      {
        "name": "PORT OF PORTLAND OR ARPT REVENUE",
        "value": "294675.89",
        "weight": "0.00383762",
        "shared": false
      },
      {
        "name": "STHRN CA PUB PWR AUTH",
        "value": "291531.16",
        "weight": "0.00379666",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL FIN",
        "value": "280784.45",
        "weight": "0.00365671",
        "shared": false
      },
      {
        "name": "PORT NY NJ 4% 10/15/2045",
        "value": "280133.59",
        "weight": "0.00364823",
        "shared": false
      },
      {
        "name": "NY NYTTRN 5.5 06/30/2060",
        "value": "277498.84",
        "weight": "0.00361392",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL A-1",
        "value": "274460.48",
        "weight": "0.00357435",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-C-1",
        "value": "272003.70",
        "weight": "0.00354235",
        "shared": false
      },
      {
        "name": "SAN DIEGO USD-SER-F2",
        "value": "271558.39",
        "weight": "0.00353655",
        "shared": false
      },
      {
        "name": "OH WTR POL 4% 12/1/2038",
        "value": "263098.65",
        "weight": "0.00342638",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series A",
        "value": "262396.64",
        "weight": "0.00341724",
        "shared": false
      },
      {
        "name": "DENVER CO ARPT 5% 11/15/2041 @",
        "value": "259931.83",
        "weight": "0.00338514",
        "shared": false
      },
      {
        "name": "Pennsylvania (Commonwealth of), First Series 2023, Ref. GO Bonds",
        "value": "259710.66",
        "weight": "0.00338226",
        "shared": false
      },
      {
        "name": "State of Michigan Trunk Line Revenue",
        "value": "259507.05",
        "weight": "0.00337961",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 01/01/36@",
        "value": "259041.72",
        "weight": "0.00337355",
        "shared": false
      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE",
        "value": "253644.98",
        "weight": "0.00330326",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "249199.30",
        "weight": "0.00324537",
        "shared": false
      },
      {
        "name": "TX WTR 4% 10/15/49",
        "value": "249111.45",
        "weight": "0.00324422",
        "shared": false
      },
      {
        "name": "NASHVILLE& DAVIDSON-A",
        "value": "248848.50",
        "weight": "0.00324080",
        "shared": false
      },
      {
        "name": "Washington (State of), Series 2019 A, GO Bonds",
        "value": "246735.28",
        "weight": "0.00321328",
        "shared": false
      },
      {
        "name": "DALLAS-FORT WORTH TX INTERNATIONAL ARPT REVENUE",
        "value": "245790.84",
        "weight": "0.00320098",
        "shared": false
      },
      {
        "name": "WA ST 5% 8/1/2039",
        "value": "237351.74",
        "weight": "0.00309107",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENRG 5% MT",
        "value": "235303.22",
        "weight": "0.00306440",
        "shared": true
      },
      {
        "name": "NY ST UDC PIT REV 20A 3.0% 03-15-50",
        "value": "228955.55",
        "weight": "0.00298173",
        "shared": false
      },
      {
        "name": "New York (City of), NY, Series 2024 C, GO Bonds",
        "value": "227049.90",
        "weight": "0.00295691",
        "shared": false
      },
      {
        "name": "PROSPER TX ISD 5% 2/15/2029",
        "value": "226950.17",
        "weight": "0.00295561",
        "shared": false
      },
      {
        "name": "NEW JERSEY ST EDUCTNL FACS AUT REGD N/C B/E 5.00000000",
        "value": "223377.36",
        "weight": "0.00290908",
        "shared": false
      },
      {
        "name": "STATE OF CALIFORNIA 3.0% 11-01-50",
        "value": "223146.61",
        "weight": "0.00290608",
        "shared": false
      },
      {
        "name": "NYC NY 5.25% 2/1/53",
        "value": "222488.34",
        "weight": "0.00289751",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Fidelity Municipal Cash Central Fund",
        "value": "158021763.87",
        "weight": "0.05452223",
        "shared": true
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "39132195.22",
        "weight": "0.01350178",
        "shared": false
      },
      {
        "name": "WISCONSIN ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "26901471.34",
        "weight": "0.00928181",
        "shared": false
      },
      {
        "name": "WA ST HLTH CAR 5% 10/1/2035",
        "value": "21534540.30",
        "weight": "0.00743006",
        "shared": false
      },
      {
        "name": "MTRO WA DC ARPT 5% 10/1/2028 @",
        "value": "21508335.55",
        "weight": "0.00742102",
        "shared": false
      },
      {
        "name": "NYC NY 5% 8/1/2028",
        "value": "19720940.63",
        "weight": "0.00680431",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "19250469.37",
        "weight": "0.00664199",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Revenue Bonds Cooperative District Energy Supply Series 2024C",
        "value": "19209510.73",
        "weight": "0.00662786",
        "shared": false
      },
      {
        "name": "WA ST HLTH CAR 5% MT",
        "value": "17844626.17",
        "weight": "0.00615693",
        "shared": false
      },
      {
        "name": "WISCONSIN ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "17483841.22",
        "weight": "0.00603245",
        "shared": false
      },
      {
        "name": "WA ST HLTH CAR 5% 10/1/2030",
        "value": "17232398.40",
        "weight": "0.00594569",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% MT",
        "value": "17160844.64",
        "weight": "0.00592100",
        "shared": false
      },
      {
        "name": "WHITING IN ENVRNMNTL FACS REVE REGD V/R B/E AMT 5.00000000",
        "value": "16040723.71",
        "weight": "0.00553453",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "15174726.00",
        "weight": "0.00523573",
        "shared": false
      },
      {
        "name": "School District of Broward County, Series 2025A",
        "value": "14703540.60",
        "weight": "0.00507316",
        "shared": false
      },
      {
        "name": "OKLAHOMA CTY OK 3% 7/1/2026",
        "value": "14534165.71",
        "weight": "0.00501472",
        "shared": false
      },
      {
        "name": "CHICAGO IL BRD OF EDU",
        "value": "14124221.75",
        "weight": "0.00487328",
        "shared": false
      },
      {
        "name": "DFW ARPT 5% 11/1/2050 MT @",
        "value": "14043718.00",
        "weight": "0.00484550",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority",
        "value": "13772313.10",
        "weight": "0.00475186",
        "shared": false
      },
      {
        "name": "WISCONSIN ST HLTH & EDUCTNL FACS AUTH REVENUE",
        "value": "13760202.76",
        "weight": "0.00474768",
        "shared": false
      },
      {
        "name": "NYC NY 5% 8/1/2027",
        "value": "13618665.11",
        "weight": "0.00469885",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "13472482.14",
        "weight": "0.00464841",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 12/1/2026 @",
        "value": "13453616.33",
        "weight": "0.00464190",
        "shared": false
      },
      {
        "name": "UT CNTY UT HOSP 5% MT",
        "value": "13293922.47",
        "weight": "0.00458680",
        "shared": false
      },
      {
        "name": "MTRO WA DC ARPT 5% 10/1/2026@",
        "value": "13053775.29",
        "weight": "0.00450394",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 12/1/2027 @",
        "value": "12959276.13",
        "weight": "0.00447134",
        "shared": false
      },
      {
        "name": "TN TNSUTL 5 11/01/2034",
        "value": "12922186.21",
        "weight": "0.00445854",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REVENUE",
        "value": "12895617.24",
        "weight": "0.00444937",
        "shared": false
      },
      {
        "name": "TX SANUTL 02/01/2055",
        "value": "12711678.30",
        "weight": "0.00438591",
        "shared": false
      },
      {
        "name": "PORT NY NJ 5% 12/1/2028 @",
        "value": "12580493.26",
        "weight": "0.00434065",
        "shared": false
      },
      {
        "name": "KY HSG SFM 6% 7/1/2054",
        "value": "12415634.02",
        "weight": "0.00428376",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "12413840.35",
        "weight": "0.00428315",
        "shared": false
      },
      {
        "name": "LOVE FLD MOD TX 5% 11/1/2029 @",
        "value": "12412291.01",
        "weight": "0.00428261",
        "shared": false
      },
      {
        "name": "MINNEAPOLS MN 5% MT",
        "value": "12400011.18",
        "weight": "0.00427837",
        "shared": false
      },
      {
        "name": "NYC NY 5% 8/1/2028",
        "value": "12084992.42",
        "weight": "0.00416968",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "11755803.40",
        "weight": "0.00405610",
        "shared": false
      },
      {
        "name": "LOVE FLD MOD TX 5% 11/1/2028 @",
        "value": "11663622.52",
        "weight": "0.00402430",
        "shared": false
      },
      {
        "name": "OHIO HOUSING FINANCE AGENCY FNMA/GNMA/FHLMC 3.25% 03-01-51",
        "value": "11223312.44",
        "weight": "0.00387238",
        "shared": false
      },
      {
        "name": "NJ ST TRANSN TR FD",
        "value": "11043267.63",
        "weight": "0.00381026",
        "shared": true
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "10966924.66",
        "weight": "0.00378392",
        "shared": false
      },
      {
        "name": "NE CENPWR 08/01/2055",
        "value": "10834241.85",
        "weight": "0.00373814",
        "shared": false
      },
      {
        "name": "GRAND PKWY TRANSPRTN",
        "value": "10781003.92",
        "weight": "0.00371977",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "10660342.67",
        "weight": "0.00367814",
        "shared": false
      },
      {
        "name": "SAN ANTONIO TX ELEC   GAS REVE SANUTL 12/45 ADJUSTABLE VAR",
        "value": "10607678.96",
        "weight": "0.00365997",
        "shared": false
      },
      {
        "name": "HARRIS TX CED 5% MT",
        "value": "10579638.00",
        "weight": "0.00365029",
        "shared": false
      },
      {
        "name": "New Jersey Transportation Trust Fund Authority",
        "value": "10510606.00",
        "weight": "0.00362647",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENRG 5% MT",
        "value": "10494150.00",
        "weight": "0.00362080",
        "shared": true
      },
      {
        "name": "GEORGIA POWER CO (MPT) 2.9% 08-01-43",
        "value": "10412157.56",
        "weight": "0.00359251",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "10283132.04",
        "weight": "0.00354799",
        "shared": false
      },
      {
        "name": "HI ST 5% 10/1/2026",
        "value": "10037376.00",
        "weight": "0.00346319",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-25-002248",
      "as_of": "2025-09-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540225002248/0000035402-25-002248-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-003413",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35373/000003540226003413/0000035402-26-003413-index.htm"
    }
  ]
}