{
  "page": "compare",
  "query": {
    "a": "CSTIX",
    "b": "CTRAX"
  },
  "retrieved_at": "2026-07-07T16:28:04+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": "Calamos Short-Term Bond Fund",
    "ticker": "CSTIX",
    "slug": "CSTIX",
    "series_id": "S000062995",
    "html_url": "https://fundwatcher.app/funds/CSTIX/"
  },
  "fund_b": {
    "name": "Calamos Total Return Bond Fund",
    "ticker": "CTRAX",
    "slug": "CTRAX",
    "series_id": "S000017871",
    "html_url": "https://fundwatcher.app/funds/CTRAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.09870479384005289085203375901",
    "coverage_b_by_a": "0.09870479384005289085203375900",
    "shared_count": 36,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
        "value": "17887137.50",
        "weight": "0.04179795",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "6109453.14",
        "weight": "0.01427633",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5098437.50",
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        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3979531.24",
        "weight": "0.00929921",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "3732720.73",
        "weight": "0.00872247",
        "shared": false
      },
      {
        "name": "Alloya Auto Receivables Trust 2025-1",
        "value": "3011023.59",
        "weight": "0.00703604",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2981367.18",
        "weight": "0.00696674",
        "shared": false
      },
      {
        "name": "GS MTG SECS CORP TR 2023-SHIP A VAR 09/06/2026 144A",
        "value": "2649580.60",
        "weight": "0.00619143",
        "shared": false
      },
      {
        "name": "CNH 2024-B A3",
        "value": "2422421.50",
        "weight": "0.00566062",
        "shared": false
      },
      {
        "name": "SoFi Consumer Loan Program Trust, Series 2025-1, Class B",
        "value": "2191406.44",
        "weight": "0.00512079",
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      },
      {
        "name": "AMXCA 2024-2 A",
        "value": "2082143.58",
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      },
      {
        "name": "SCCU AUTO RECEIVABLES TRUST 2023 1",
        "value": "2053600.66",
        "weight": "0.00479877",
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      },
      {
        "name": "FORDR 2024-1 A 144A FRN 08-15-36",
        "value": "2048640.98",
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      },
      {
        "name": "Toyota Auto Loan Extended Note Trust, Series 2023-1A, Class A",
        "value": "2045047.96",
        "weight": "0.00477879",
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      },
      {
        "name": "DLLAA LLC, Series 2025-1A, Class A3",
        "value": "2034149.06",
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      },
      {
        "name": "GMF FLOORPLAN OWNER REVOLVING TRUST SER 2024-4A CL A1 REGD 144A P/P 4.73000000",
        "value": "2029073.46",
        "weight": "0.00474146",
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      },
      {
        "name": "CyrusOne Data Centers Issuer I LLC, Series 2023-2A, Class A2",
        "value": "2020766.94",
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      },
      {
        "name": "GREATAMERICA LEASING RECEIVABL GALC 2025 1 A3 144A",
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      },
      {
        "name": "WHEELS FLEET LEASE FUNDING LLC WFLF 2025 2A A1 144A",
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      },
      {
        "name": "Credit Acceptance Auto Loan Trust, Series 2024-1A, Class A",
        "value": "2015447.42",
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      },
      {
        "name": "AMERICAN HERITAGE AUTO RECEIVABLES ISSUER TRUST 20 AHART 2025-1A A3",
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      },
      {
        "name": "Compass Datacenters Issuer II LLC, Series 2024-1A, Class A1",
        "value": "2009664.58",
        "weight": "0.00469610",
        "shared": false
      },
      {
        "name": "Tesla Auto Lease Trust, Series 2024-B, Class A3",
        "value": "2007701.56",
        "weight": "0.00469152",
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      },
      {
        "name": "BMWLT 2024-2 A3",
        "value": "2005051.90",
        "weight": "0.00468533",
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      },
      {
        "name": "PNFED 2025-A A3 144A 4.03% 07-15-30",
        "value": "2004878.04",
        "weight": "0.00468492",
        "shared": false
      },
      {
        "name": "APARK 2025-A A2 144A 4.43% 04-20-35",
        "value": "1974012.29",
        "weight": "0.00461279",
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      },
      {
        "name": "ADC 2021-1A A2",
        "value": "1970961.20",
        "weight": "0.00460566",
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      },
      {
        "name": "ASIAN DEV BANK",
        "value": "1969380.00",
        "weight": "0.00460197",
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      },
      {
        "name": "HYPER 2025-1A A2",
        "value": "1968391.60",
        "weight": "0.00459966",
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      {
        "name": "PEAC Solutions Receivables LLC, Series 2025-1A, Class A2",
        "value": "1909143.44",
        "weight": "0.00446121",
        "shared": false
      },
      {
        "name": "SCF Equipment Leasing LLC, Series 2025-2A, Class A3",
        "value": "1902452.92",
        "weight": "0.00444558",
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      },
      {
        "name": "MMAF EQUIPMENT FINANCE LLC 2023 A",
        "value": "1900418.82",
        "weight": "0.00444082",
        "shared": false
      },
      {
        "name": "USAA AUTO OWNER TRUST USAOT 2024 A A3 144A",
        "value": "1841142.91",
        "weight": "0.00430231",
        "shared": true
      },
      {
        "name": "Enterprise Fleet Financing LLC, Series 2024-2, Class A3",
        "value": "1524406.98",
        "weight": "0.00356217",
        "shared": false
      },
      {
        "name": "Avis Budget Rental Car Funding AESOP LLC, Series 2023-3A, Class A",
        "value": "1517259.74",
        "weight": "0.00354547",
        "shared": false
      },
      {
        "name": "NEXTGEAR FLOORPLAN MASTER OWNER TRUST SER 2023-1A CL A2 REGD 144A P/P 5.74000000",
        "value": "1503063.92",
        "weight": "0.00351230",
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      },
      {
        "name": "Veros Auto Receivables Trust, Series 2026-1, Class A",
        "value": "1500091.92",
        "weight": "0.00350536",
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      {
        "name": "DPABS 2021-1A A2I",
        "value": "1389576.95",
        "weight": "0.00324711",
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      },
      {
        "name": "DISCOVER FIN SVS",
        "value": "1251300.00",
        "weight": "0.00292399",
        "shared": false
      },
      {
        "name": "Murphy USA Inc Term Loan B",
        "value": "1159313.21",
        "weight": "0.00270904",
        "shared": false
      },
      {
        "name": "Bank of America Auto Trust, Series 2023-2A, Class A4",
        "value": "1145982.01",
        "weight": "0.00267789",
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      },
      {
        "name": "CRH SMW FINANCE",
        "value": "1134144.00",
        "weight": "0.00265022",
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      },
      {
        "name": "AXIS 2024-1A A2 144A 5.38% 01-21-31",
        "value": "1115588.37",
        "weight": "0.00260686",
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      },
      {
        "name": "EATON CAPITAL",
        "value": "1109361.00",
        "weight": "0.00259231",
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      },
      {
        "name": "VOLVO FINANCIAL EQUIPMENT LLC SERIES 2024 1",
        "value": "1096741.99",
        "weight": "0.00256282",
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      {
        "name": "ALK 4.8 08/15/27 144A",
        "value": "1096376.79",
        "weight": "0.00256197",
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      },
      {
        "name": "United Airlines Pass-Through Trust, Series 2019-2, Class A",
        "value": "1062622.25",
        "weight": "0.00248309",
        "shared": false
      },
      {
        "name": "GS Mortgage-Backed Securities Corp. Trust 2021-PJ4",
        "value": "1061424.66",
        "weight": "0.00248029",
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      },
      {
        "name": "ENACT HOLDINGS",
        "value": "1048380.00",
        "weight": "0.00244981",
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      },
      {
        "name": "ESSENT GROUP LTD",
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        "weight": "0.00244684",
        "shared": true
      }
    ],
    "b_top": [
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        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
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      {
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "FN MA5107",
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      {
        "name": "Uniform Mortgage-Backed Securities",
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      {
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      {
        "name": "UMBS, 30 Year",
        "value": "574069.90",
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      {
        "name": "US TREASURY N/B",
        "value": "498609.38",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
        "value": "493613.28",
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      {
        "name": "US TREASURY N/B",
        "value": "489687.50",
        "weight": "0.01975162",
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      },
      {
        "name": "FN MA3990",
        "value": "435724.67",
        "weight": "0.01757502",
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      },
      {
        "name": "UMBS",
        "value": "434696.89",
        "weight": "0.01753356",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "398890.62",
        "weight": "0.01608931",
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      },
      {
        "name": "FN MA4805",
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        "weight": "0.01580633",
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      {
        "name": "FN MA3991",
        "value": "383984.67",
        "weight": "0.01548808",
        "shared": false
      },
      {
        "name": "FN MA4842",
        "value": "375020.81",
        "weight": "0.01512652",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "348995.12",
        "weight": "0.01407677",
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      {
        "name": "US TREASURY N/B",
        "value": "342423.83",
        "weight": "0.01381171",
        "shared": false
      },
      {
        "name": "FN MA3992",
        "value": "318363.98",
        "weight": "0.01284126",
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      {
        "name": "US TREASURY N/B",
        "value": "299500.00",
        "weight": "0.01208038",
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      {
        "name": "US TREASURY N/B",
        "value": "292304.69",
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      },
      {
        "name": "SMBC AVIATION CAPITAL FI REGD 144A P/P 1.90000000",
        "value": "246207.50",
        "weight": "0.00993082",
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      },
      {
        "name": "PROGRESS RESIDENTIAL TRUST",
        "value": "234239.58",
        "weight": "0.00944809",
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      },
      {
        "name": "FNMA 30YR 4.5% 06/01/2052#MA4684",
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        "weight": "0.00869803",
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      },
      {
        "name": "LSEG FINANCE",
        "value": "191764.00",
        "weight": "0.00773483",
        "shared": false
      },
      {
        "name": "FN MA2670",
        "value": "191508.96",
        "weight": "0.00772454",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "189703.13",
        "weight": "0.00765170",
        "shared": false
      },
      {
        "name": "USAA Capital Corporation 2.125%, Due 05/01/2030",
        "value": "184058.00",
        "weight": "0.00742401",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "182562.50",
        "weight": "0.00736368",
        "shared": false
      },
      {
        "name": "BROOKFIELD FIN",
        "value": "160599.25",
        "weight": "0.00647779",
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      },
      {
        "name": "ADC 2021-1A A2",
        "value": "147822.09",
        "weight": "0.00596243",
        "shared": true
      },
      {
        "name": "Hertz Vehicle Financing LP, Series 2021-2A, Class A",
        "value": "147568.24",
        "weight": "0.00595219",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "139156.25",
        "weight": "0.00561289",
        "shared": false
      },
      {
        "name": "BANK OF MONTREAL",
        "value": "135295.50",
        "weight": "0.00545716",
        "shared": false
      },
      {
        "name": "APPLE INC",
        "value": "133114.50",
        "weight": "0.00536919",
        "shared": false
      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "131454.00",
        "weight": "0.00530222",
        "shared": false
      },
      {
        "name": "COF V2.359 07/29/32",
        "value": "131328.00",
        "weight": "0.00529713",
        "shared": false
      },
      {
        "name": "INTACT FINL CORP 5.459% 09/22/2032 144A",
        "value": "129866.25",
        "weight": "0.00523817",
        "shared": false
      },
      {
        "name": "TORCHMARK CORP",
        "value": "126353.75",
        "weight": "0.00509650",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "125610.77",
        "weight": "0.00506653",
        "shared": false
      },
      {
        "name": "BERKSHIRE HATH",
        "value": "125188.50",
        "weight": "0.00504950",
        "shared": false
      },
      {
        "name": "JPM V3.65 PERP KK",
        "value": "124856.25",
        "weight": "0.00503609",
        "shared": false
      },
      {
        "name": "BPLN V4.875 PERP",
        "value": "124320.00",
        "weight": "0.00501447",
        "shared": false
      },
      {
        "name": "SOUTHERN CO",
        "value": "124022.50",
        "weight": "0.00500247",
        "shared": false
      },
      {
        "name": "ANHEUSER-BUSCH",
        "value": "122192.50",
        "weight": "0.00492865",
        "shared": false
      },
      {
        "name": "ARCHER-DANIELS",
        "value": "120763.75",
        "weight": "0.00487102",
        "shared": false
      },
      {
        "name": "BERKSHIRE HATHAW",
        "value": "114925.50",
        "weight": "0.00463554",
        "shared": false
      },
      {
        "name": "DUKE ENERGY CAR",
        "value": "114301.50",
        "weight": "0.00461037",
        "shared": false
      },
      {
        "name": "COSTCO COMPANIES",
        "value": "113426.25",
        "weight": "0.00457506",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-034396",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/826732/000141036826034396/0001410368-26-034396-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-034391",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/826732/000141036826034391/0001410368-26-034391-index.htm"
    }
  ]
}