{
  "retrievedDate": "2026-10-24",
  "treasuryYields": {
    "title": "U.S. Treasury yields: ten and thirty years",
    "source": "U.S. Department of the Treasury, Daily Treasury Par Yield Curve Rates",
    "sourceURL": "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/TextView?type=daily_treasury_yield_curve&field_tdr_date_value=2026",
    "downloadURLs": [
      "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/pages/xml?data=daily_treasury_yield_curve&field_tdr_date_value=2025",
      "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/pages/xml?data=daily_treasury_yield_curve&field_tdr_date_value=2026"
    ],
    "unit": "Percent per year",
    "frequency": "Daily published observations",
    "observationStart": "2025-01-02",
    "observationEnd": "2026-10-23",
    "notes": "Treasury par yield curve rates for constant maturities. Not a total-return index or the government's average cost on its existing debt. Only published dates are included. Connect points for display without inventing observations. FRED's latest value on retrieval lagged Treasury by one day.",
    "license": "U.S. government public data; source attribution requested",
    "rows": [
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        "date": "2025-01-02",
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        "thirtyYear": 4.79
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      {
        "date": "2025-01-03",
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        "thirtyYear": 4.82
      },
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        "date": "2025-01-06",
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        "thirtyYear": 4.85
      },
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        "date": "2025-01-07",
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        "thirtyYear": 4.91
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  "mortgageRates": {
    "title": "The rate facing new mortgage borrowers",
    "source": "Freddie Mac Primary Mortgage Market Survey (PMMS)",
    "sourceURL": "https://www.freddiemac.com/pmms/archive",
    "downloadURL": "https://www.freddiemac.com/pmms/docs/PMMS_history.csv",
    "unit": "Percent per year",
    "frequency": "Weekly",
    "observationStart": "2025-01-02",
    "observationEnd": "2026-10-22",
    "notes": "National weekly average rates for conventional conforming fully amortizing home-purchase loans for borrowers with 20% down and excellent credit. Survey averages are not an APR, a personalised quote, or a daily yield. No interpolation. Existing fixed-rate loans do not reset when these rates move.",
    "license": "Freddie Mac data; use with proper attribution. Preserve numeric values and dates.",
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        "date": "2026-09-03",
        "thirtyYear": 6.71,
        "fifteenYear": 6.04
      },
      {
        "date": "2026-09-10",
        "thirtyYear": 6.76,
        "fifteenYear": 6.09
      },
      {
        "date": "2026-09-17",
        "thirtyYear": 6.95,
        "fifteenYear": 6.26
      },
      {
        "date": "2026-09-24",
        "thirtyYear": 7.03,
        "fifteenYear": 6.42
      },
      {
        "date": "2026-10-01",
        "thirtyYear": 7.28,
        "fifteenYear": 6.6
      },
      {
        "date": "2026-10-08",
        "thirtyYear": 7.4,
        "fifteenYear": 6.73
      },
      {
        "date": "2026-10-15",
        "thirtyYear": 7.4,
        "fifteenYear": 6.71
      },
      {
        "date": "2026-10-22",
        "thirtyYear": 7.32,
        "fifteenYear": 6.68
      }
    ]
  },
  "federalNetInterest": {
    "title": "The federal interest bill",
    "source": "U.S. Treasury, Monthly Treasury Statement, Table 9",
    "sourceURL": "https://fiscaldata.treasury.gov/datasets/monthly-treasury-statement/receipts-and-outlays-by-function-of-government",
    "downloadURL": "https://api.fiscaldata.treasury.gov/services/api/fiscal_service/v1/accounting/mts/mts_table_9?filter=record_date:gte:2019-09-30,record_date:lte:2026-09-30&sort=-record_date&page[size]=10000",
    "unit": "Current U.S. dollars; chart may display billions",
    "frequency": "Fiscal year, actual",
    "observationEnd": "2026-09-30",
    "notes": "Net interest, not gross interest expense on Treasury debt. Fiscal years run October 1 through September 30. For each completed year, use the latest available September statement's current or prior fiscal-year-to-date figure; source record and field are retained per row. Nominal dollars, not inflation-adjusted. These are actual completed-year outlays, not forecasts.",
    "rows": [
      {
        "fiscalYear": 2019,
        "periodEnd": "2019-09-30",
        "netInterestDollars": 375604788169.83,
        "netInterestBillions": 375.60478816983004,
        "sourceRecordDate": "2020-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2020,
        "periodEnd": "2020-09-30",
        "netInterestDollars": 344704683968.99,
        "netInterestBillions": 344.70468396898997,
        "sourceRecordDate": "2021-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2021,
        "periodEnd": "2021-09-30",
        "netInterestDollars": 352264012863.77,
        "netInterestBillions": 352.26401286377,
        "sourceRecordDate": "2022-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2022,
        "periodEnd": "2022-09-30",
        "netInterestDollars": 475120812162.87,
        "netInterestBillions": 475.12081216287,
        "sourceRecordDate": "2023-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2023,
        "periodEnd": "2023-09-30",
        "netInterestDollars": 659182313583.33,
        "netInterestBillions": 659.1823135833299,
        "sourceRecordDate": "2024-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2024,
        "periodEnd": "2024-09-30",
        "netInterestDollars": 881019516352.72,
        "netInterestBillions": 881.01951635272,
        "sourceRecordDate": "2025-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2025,
        "periodEnd": "2025-09-30",
        "netInterestDollars": 970358886994.32,
        "netInterestBillions": 970.35888699432,
        "sourceRecordDate": "2026-09-30",
        "sourceField": "prior_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      },
      {
        "fiscalYear": 2026,
        "periodEnd": "2026-09-30",
        "netInterestDollars": 1051753969311.11,
        "netInterestBillions": 1051.75396931111,
        "sourceRecordDate": "2026-09-30",
        "sourceField": "current_fytd_rcpt_outly_amt",
        "sourceClassification": "Net Interest"
      }
    ]
  },
  "federalBudget": {
    "title": "Receipts, outlays and deficit",
    "source": "U.S. Treasury, Monthly Treasury Statement September 2026, Table 1",
    "sourceURL": "https://fiscaldata.treasury.gov/static-data/published-reports/mts/MonthlyTreasuryStatement_202609.pdf",
    "downloadURL": "https://api.fiscaldata.treasury.gov/services/api/fiscal_service/v1/accounting/mts/mts_table_1?filter=record_date:eq:2026-09-30",
    "unit": "Current U.S. dollars",
    "frequency": "Fiscal year, actual",
    "observationEnd": "2026-09-30",
    "notes": "September statement Year-to-Date rows for FY2025 and FY2026. Positive deficit means outlays exceed receipts. The API's field names say current_month but these selected rows explicitly contain Year-to-Date totals.",
    "rows": [
      {
        "fiscalYear": 2025,
        "periodEnd": "2025-09-30",
        "receiptsDollars": 5234616472030.91,
        "outlaysDollars": 7009985661849.26,
        "deficitDollars": 1775369189818.35,
        "sourceRecordDate": "2026-09-30"
      },
      {
        "fiscalYear": 2026,
        "periodEnd": "2026-09-30",
        "receiptsDollars": 5403326758960.81,
        "outlaysDollars": 7395799983313.23,
        "deficitDollars": 1992473224352.42,
        "sourceRecordDate": "2026-09-30"
      }
    ]
  },
  "mortgagePaymentIllustration": {
    "label": "Illustrative new 30-year fixed mortgage on the same $300,000 principal",
    "principalDollars": 300000,
    "termMonths": 360,
    "formula": "P*(annual_rate/100/12)/(1-(1+annual_rate/100/12)^(-360))",
    "earlier": {
      "observationDate": "2025-10-23",
      "ratePercent": 6.19,
      "monthlyPrincipalAndInterestDollars": 1835.46
    },
    "latest": {
      "observationDate": "2026-10-22",
      "ratePercent": 7.32,
      "monthlyPrincipalAndInterestDollars": 2060.79
    },
    "monthlyDifferenceDollars": 225.33,
    "notes": "An illustration, not a quote or an observed borrower outcome. Excludes taxes, insurance, fees and mortgage insurance. Compares two national weekly survey averages. Existing fixed-rate loans do not reset to these rates."
  }
}