{
  "page": "compare",
  "query": {
    "a": "CSTIX",
    "b": "PIASX"
  },
  "retrieved_at": "2026-07-07T14:19:17+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": "PIA Short-Term Securities Fund",
    "ticker": "PIASX",
    "slug": "PIASX",
    "series_id": "S000005065",
    "html_url": "https://fundwatcher.app/funds/PIASX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.05250753039590817353412940919",
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    "as_of": {
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      "b": "2026-02-28"
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      {
        "name": "US TREASURY N/B",
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      {
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      },
      {
        "name": "Fannie Mae Pool",
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      },
      {
        "name": "Alloya Auto Receivables Trust 2025-1",
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      {
        "name": "US TREASURY N/B",
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      },
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        "name": "GS MTG SECS CORP TR 2023-SHIP A VAR 09/06/2026 144A",
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        "weight": "0.00619143",
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      },
      {
        "name": "CNH 2024-B A3",
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  "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"
    },
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}