{
  "publisher": "YieldStack",
  "month": "2026-09",
  "url": "https://yieldstack.ai/rates/2026-09",
  "json": "https://yieldstack.ai/rates/2026-09.json",
  "csv": "https://yieldstack.ai/rates/2026-09.csv",
  "frozenAt": "2026-10-06T19:30:39.267Z",
  "sources": [
    {
      "publisher": "U.S. Department of the Treasury",
      "url": "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/daily-treasury-rates.csv/2026/all?type=daily_treasury_yield_curve&field_tdr_date_value=2026&page&_format=csv",
      "series": [
        "1Y_TREASURY",
        "5Y_TREASURY",
        "7Y_TREASURY",
        "10Y_TREASURY",
        "30Y_TREASURY"
      ]
    },
    {
      "publisher": "U.S. Department of the Treasury",
      "url": "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/daily-treasury-rates.csv/2026/all?type=daily_treasury_real_yield_curve&field_tdr_date_value=2026&page&_format=csv",
      "series": [
        "5Y_TIPS"
      ]
    },
    {
      "publisher": "Federal Reserve Bank of New York",
      "url": "https://markets.newyorkfed.org/api/rates/secured/sofr/search.json?startDate=2026-08-22&endDate=2026-10-10",
      "series": [
        "SOFR"
      ]
    },
    {
      "publisher": "Federal Reserve Bank of New York",
      "url": "https://markets.newyorkfed.org/api/rates/secured/sofrai/search.json?startDate=2026-08-22&endDate=2026-10-10",
      "series": [
        "SOFR30DAYAVG",
        "SOFR90DAYAVG",
        "SOFR180DAYAVG"
      ]
    },
    {
      "publisher": "Federal Reserve Bank of New York",
      "url": "https://markets.newyorkfed.org/api/rates/unsecured/effr/search.json?startDate=2026-08-22&endDate=2026-10-10",
      "series": [
        "DFEDTARU",
        "DFF"
      ]
    },
    {
      "publisher": "Federal Reserve Bank of St. Louis (FRED)",
      "url": "https://fred.stlouisfed.org/graph/fredgraph.csv?id=DPRIME&cosd=2026-08-22&coed=2026-10-10",
      "series": [
        "PRIME"
      ]
    }
  ],
  "howToCite": "<publisher and series>, observation dated <date>, as republished at yieldstack.ai/rates/2026-09",
  "notices": [
    "Source: Federal Reserve Bank of New York, reference rates (SOFR, SOFR Averages, EFFR).",
    "Bank prime loan rate retrieved from FRED, Federal Reserve Bank of St. Louis. YieldStack is not affiliated with the Federal Reserve System or the Federal Reserve Bank of St. Louis.",
    "Source: U.S. Department of the Treasury, Daily Treasury Par Yield Curve Rates.",
    "Source: U.S. Department of the Treasury, Daily Treasury Par Real Yield Curve Rates."
  ],
  "series": [
    {
      "type": "SOFR",
      "fredId": "SOFR",
      "label": "SOFR (overnight)",
      "source": "NY Fed · SOFR",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 3.66
        },
        {
          "date": "2026-09-02",
          "value": 3.65
        },
        {
          "date": "2026-09-03",
          "value": 3.66
        },
        {
          "date": "2026-09-04",
          "value": 3.65
        },
        {
          "date": "2026-09-08",
          "value": 3.64
        },
        {
          "date": "2026-09-09",
          "value": 3.64
        },
        {
          "date": "2026-09-10",
          "value": 3.62
        },
        {
          "date": "2026-09-11",
          "value": 3.62
        },
        {
          "date": "2026-09-14",
          "value": 3.62
        },
        {
          "date": "2026-09-15",
          "value": 3.64
        },
        {
          "date": "2026-09-16",
          "value": 3.62
        },
        {
          "date": "2026-09-17",
          "value": 3.85
        },
        {
          "date": "2026-09-18",
          "value": 3.85
        },
        {
          "date": "2026-09-21",
          "value": 3.85
        },
        {
          "date": "2026-09-22",
          "value": 3.87
        },
        {
          "date": "2026-09-23",
          "value": 3.87
        },
        {
          "date": "2026-09-24",
          "value": 3.88
        },
        {
          "date": "2026-09-25",
          "value": 3.9
        },
        {
          "date": "2026-09-28",
          "value": 3.9
        },
        {
          "date": "2026-09-29",
          "value": 3.88
        },
        {
          "date": "2026-09-30",
          "value": 3.9
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 3.9
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 3.66
      },
      "changeBp": 24
    },
    {
      "type": "SOFR30DAYAVG",
      "fredId": "SOFR30DAYAVG",
      "label": "SOFR 30-day average",
      "source": "NY Fed · SOFR 30-day average",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 3.64586
        },
        {
          "date": "2026-09-02",
          "value": 3.64586
        },
        {
          "date": "2026-09-03",
          "value": 3.64586
        },
        {
          "date": "2026-09-04",
          "value": 3.64586
        },
        {
          "date": "2026-09-08",
          "value": 3.64817
        },
        {
          "date": "2026-09-09",
          "value": 3.64883
        },
        {
          "date": "2026-09-10",
          "value": 3.64917
        },
        {
          "date": "2026-09-11",
          "value": 3.6485
        },
        {
          "date": "2026-09-14",
          "value": 3.64849
        },
        {
          "date": "2026-09-15",
          "value": 3.6485
        },
        {
          "date": "2026-09-16",
          "value": 3.64917
        },
        {
          "date": "2026-09-17",
          "value": 3.64783
        },
        {
          "date": "2026-09-18",
          "value": 3.65452
        },
        {
          "date": "2026-09-21",
          "value": 3.67623
        },
        {
          "date": "2026-09-22",
          "value": 3.68293
        },
        {
          "date": "2026-09-23",
          "value": 3.69029
        },
        {
          "date": "2026-09-24",
          "value": 3.69764
        },
        {
          "date": "2026-09-25",
          "value": 3.705
        },
        {
          "date": "2026-09-28",
          "value": 3.73072
        },
        {
          "date": "2026-09-29",
          "value": 3.73909
        },
        {
          "date": "2026-09-30",
          "value": 3.74678
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 3.74678
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 3.64586
      },
      "changeBp": 10.1
    },
    {
      "type": "SOFR90DAYAVG",
      "fredId": "SOFR90DAYAVG",
      "label": "SOFR 90-day average",
      "source": "NY Fed · SOFR 90-day average",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 3.64447
        },
        {
          "date": "2026-09-02",
          "value": 3.64503
        },
        {
          "date": "2026-09-03",
          "value": 3.64537
        },
        {
          "date": "2026-09-04",
          "value": 3.64571
        },
        {
          "date": "2026-09-08",
          "value": 3.64692
        },
        {
          "date": "2026-09-09",
          "value": 3.64748
        },
        {
          "date": "2026-09-10",
          "value": 3.64793
        },
        {
          "date": "2026-09-11",
          "value": 3.64761
        },
        {
          "date": "2026-09-14",
          "value": 3.64614
        },
        {
          "date": "2026-09-15",
          "value": 3.64603
        },
        {
          "date": "2026-09-16",
          "value": 3.64614
        },
        {
          "date": "2026-09-17",
          "value": 3.64615
        },
        {
          "date": "2026-09-18",
          "value": 3.64874
        },
        {
          "date": "2026-09-21",
          "value": 3.65658
        },
        {
          "date": "2026-09-22",
          "value": 3.65916
        },
        {
          "date": "2026-09-23",
          "value": 3.66196
        },
        {
          "date": "2026-09-24",
          "value": 3.66454
        },
        {
          "date": "2026-09-25",
          "value": 3.66746
        },
        {
          "date": "2026-09-28",
          "value": 3.67687
        },
        {
          "date": "2026-09-29",
          "value": 3.67933
        },
        {
          "date": "2026-09-30",
          "value": 3.6818
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 3.6818
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 3.64447
      },
      "changeBp": 3.7
    },
    {
      "type": "SOFR180DAYAVG",
      "fredId": "SOFR180DAYAVG",
      "label": "SOFR 180-day average",
      "source": "NY Fed · SOFR 180-day average",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 3.65858
        },
        {
          "date": "2026-09-02",
          "value": 3.65858
        },
        {
          "date": "2026-09-03",
          "value": 3.65859
        },
        {
          "date": "2026-09-04",
          "value": 3.65865
        },
        {
          "date": "2026-09-08",
          "value": 3.65875
        },
        {
          "date": "2026-09-09",
          "value": 3.65869
        },
        {
          "date": "2026-09-10",
          "value": 3.65864
        },
        {
          "date": "2026-09-11",
          "value": 3.65847
        },
        {
          "date": "2026-09-14",
          "value": 3.65767
        },
        {
          "date": "2026-09-15",
          "value": 3.65767
        },
        {
          "date": "2026-09-16",
          "value": 3.65779
        },
        {
          "date": "2026-09-17",
          "value": 3.65779
        },
        {
          "date": "2026-09-18",
          "value": 3.65909
        },
        {
          "date": "2026-09-21",
          "value": 3.66293
        },
        {
          "date": "2026-09-22",
          "value": 3.66412
        },
        {
          "date": "2026-09-23",
          "value": 3.66537
        },
        {
          "date": "2026-09-24",
          "value": 3.66673
        },
        {
          "date": "2026-09-25",
          "value": 3.66814
        },
        {
          "date": "2026-09-28",
          "value": 3.67244
        },
        {
          "date": "2026-09-29",
          "value": 3.67385
        },
        {
          "date": "2026-09-30",
          "value": 3.6751
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 3.6751
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 3.65858
      },
      "changeBp": 1.7
    },
    {
      "type": "PRIME",
      "fredId": "DPRIME",
      "label": "Prime rate",
      "source": "FRED · DPRIME (bank prime loan rate, H.15)",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 6.75
        },
        {
          "date": "2026-09-02",
          "value": 6.75
        },
        {
          "date": "2026-09-03",
          "value": 6.75
        },
        {
          "date": "2026-09-04",
          "value": 6.75
        },
        {
          "date": "2026-09-07",
          "value": 6.75
        },
        {
          "date": "2026-09-08",
          "value": 6.75
        },
        {
          "date": "2026-09-09",
          "value": 6.75
        },
        {
          "date": "2026-09-10",
          "value": 6.75
        },
        {
          "date": "2026-09-11",
          "value": 6.75
        },
        {
          "date": "2026-09-14",
          "value": 6.75
        },
        {
          "date": "2026-09-15",
          "value": 6.75
        },
        {
          "date": "2026-09-16",
          "value": 6.75
        },
        {
          "date": "2026-09-17",
          "value": 7
        },
        {
          "date": "2026-09-18",
          "value": 7
        },
        {
          "date": "2026-09-21",
          "value": 7
        },
        {
          "date": "2026-09-22",
          "value": 7
        },
        {
          "date": "2026-09-23",
          "value": 7
        },
        {
          "date": "2026-09-24",
          "value": 7
        },
        {
          "date": "2026-09-25",
          "value": 7
        },
        {
          "date": "2026-09-28",
          "value": 7
        },
        {
          "date": "2026-09-29",
          "value": 7
        },
        {
          "date": "2026-09-30",
          "value": 7
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 7
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 6.75
      },
      "changeBp": 25
    },
    {
      "type": "1Y_TREASURY",
      "fredId": "DGS1",
      "label": "1-year Treasury",
      "source": "U.S. Treasury · 1 Yr par yield",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 4.18
        },
        {
          "date": "2026-09-02",
          "value": 4.16
        },
        {
          "date": "2026-09-03",
          "value": 4.11
        },
        {
          "date": "2026-09-04",
          "value": 4.13
        },
        {
          "date": "2026-09-08",
          "value": 4.15
        },
        {
          "date": "2026-09-09",
          "value": 4.17
        },
        {
          "date": "2026-09-10",
          "value": 4.28
        },
        {
          "date": "2026-09-11",
          "value": 4.35
        },
        {
          "date": "2026-09-14",
          "value": 4.37
        },
        {
          "date": "2026-09-15",
          "value": 4.39
        },
        {
          "date": "2026-09-16",
          "value": 4.45
        },
        {
          "date": "2026-09-17",
          "value": 4.4
        },
        {
          "date": "2026-09-18",
          "value": 4.44
        },
        {
          "date": "2026-09-21",
          "value": 4.45
        },
        {
          "date": "2026-09-22",
          "value": 4.43
        },
        {
          "date": "2026-09-23",
          "value": 4.49
        },
        {
          "date": "2026-09-24",
          "value": 4.51
        },
        {
          "date": "2026-09-25",
          "value": 4.5
        },
        {
          "date": "2026-09-28",
          "value": 4.59
        },
        {
          "date": "2026-09-29",
          "value": 4.58
        },
        {
          "date": "2026-09-30",
          "value": 4.54
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 4.54
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 4.18
      },
      "changeBp": 36
    },
    {
      "type": "5Y_TREASURY",
      "fredId": "DGS5",
      "label": "5-year Treasury",
      "source": "U.S. Treasury · 5 Yr par yield",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 4.55
        },
        {
          "date": "2026-09-02",
          "value": 4.54
        },
        {
          "date": "2026-09-03",
          "value": 4.52
        },
        {
          "date": "2026-09-04",
          "value": 4.54
        },
        {
          "date": "2026-09-08",
          "value": 4.57
        },
        {
          "date": "2026-09-09",
          "value": 4.61
        },
        {
          "date": "2026-09-10",
          "value": 4.75
        },
        {
          "date": "2026-09-11",
          "value": 4.78
        },
        {
          "date": "2026-09-14",
          "value": 4.8
        },
        {
          "date": "2026-09-15",
          "value": 4.83
        },
        {
          "date": "2026-09-16",
          "value": 4.86
        },
        {
          "date": "2026-09-17",
          "value": 4.78
        },
        {
          "date": "2026-09-18",
          "value": 4.86
        },
        {
          "date": "2026-09-21",
          "value": 4.83
        },
        {
          "date": "2026-09-22",
          "value": 4.83
        },
        {
          "date": "2026-09-23",
          "value": 4.99
        },
        {
          "date": "2026-09-24",
          "value": 5.03
        },
        {
          "date": "2026-09-25",
          "value": 4.98
        },
        {
          "date": "2026-09-28",
          "value": 5.06
        },
        {
          "date": "2026-09-29",
          "value": 5.06
        },
        {
          "date": "2026-09-30",
          "value": 5.09
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 5.09
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 4.55
      },
      "changeBp": 54
    },
    {
      "type": "7Y_TREASURY",
      "fredId": "DGS7",
      "label": "7-year Treasury",
      "source": "U.S. Treasury · 7 Yr par yield",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 4.66
        },
        {
          "date": "2026-09-02",
          "value": 4.66
        },
        {
          "date": "2026-09-03",
          "value": 4.63
        },
        {
          "date": "2026-09-04",
          "value": 4.65
        },
        {
          "date": "2026-09-08",
          "value": 4.68
        },
        {
          "date": "2026-09-09",
          "value": 4.71
        },
        {
          "date": "2026-09-10",
          "value": 4.84
        },
        {
          "date": "2026-09-11",
          "value": 4.87
        },
        {
          "date": "2026-09-14",
          "value": 4.88
        },
        {
          "date": "2026-09-15",
          "value": 4.91
        },
        {
          "date": "2026-09-16",
          "value": 4.94
        },
        {
          "date": "2026-09-17",
          "value": 4.86
        },
        {
          "date": "2026-09-18",
          "value": 4.93
        },
        {
          "date": "2026-09-21",
          "value": 4.89
        },
        {
          "date": "2026-09-22",
          "value": 4.89
        },
        {
          "date": "2026-09-23",
          "value": 5.05
        },
        {
          "date": "2026-09-24",
          "value": 5.1
        },
        {
          "date": "2026-09-25",
          "value": 5.06
        },
        {
          "date": "2026-09-28",
          "value": 5.15
        },
        {
          "date": "2026-09-29",
          "value": 5.16
        },
        {
          "date": "2026-09-30",
          "value": 5.19
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 5.19
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 4.66
      },
      "changeBp": 53
    },
    {
      "type": "10Y_TREASURY",
      "fredId": "DGS10",
      "label": "10-year Treasury",
      "source": "U.S. Treasury · 10 Yr par yield",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 4.79
        },
        {
          "date": "2026-09-02",
          "value": 4.79
        },
        {
          "date": "2026-09-03",
          "value": 4.77
        },
        {
          "date": "2026-09-04",
          "value": 4.78
        },
        {
          "date": "2026-09-08",
          "value": 4.8
        },
        {
          "date": "2026-09-09",
          "value": 4.83
        },
        {
          "date": "2026-09-10",
          "value": 4.95
        },
        {
          "date": "2026-09-11",
          "value": 4.96
        },
        {
          "date": "2026-09-14",
          "value": 4.97
        },
        {
          "date": "2026-09-15",
          "value": 5
        },
        {
          "date": "2026-09-16",
          "value": 5.01
        },
        {
          "date": "2026-09-17",
          "value": 4.94
        },
        {
          "date": "2026-09-18",
          "value": 5.01
        },
        {
          "date": "2026-09-21",
          "value": 4.96
        },
        {
          "date": "2026-09-22",
          "value": 4.96
        },
        {
          "date": "2026-09-23",
          "value": 5.11
        },
        {
          "date": "2026-09-24",
          "value": 5.18
        },
        {
          "date": "2026-09-25",
          "value": 5.17
        },
        {
          "date": "2026-09-28",
          "value": 5.24
        },
        {
          "date": "2026-09-29",
          "value": 5.26
        },
        {
          "date": "2026-09-30",
          "value": 5.29
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 5.29
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 4.79
      },
      "changeBp": 50
    },
    {
      "type": "30Y_TREASURY",
      "fredId": "DGS30",
      "label": "30-year Treasury",
      "source": "U.S. Treasury · 30 Yr par yield",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 5.27
        },
        {
          "date": "2026-09-02",
          "value": 5.27
        },
        {
          "date": "2026-09-03",
          "value": 5.25
        },
        {
          "date": "2026-09-04",
          "value": 5.24
        },
        {
          "date": "2026-09-08",
          "value": 5.25
        },
        {
          "date": "2026-09-09",
          "value": 5.28
        },
        {
          "date": "2026-09-10",
          "value": 5.37
        },
        {
          "date": "2026-09-11",
          "value": 5.35
        },
        {
          "date": "2026-09-14",
          "value": 5.34
        },
        {
          "date": "2026-09-15",
          "value": 5.36
        },
        {
          "date": "2026-09-16",
          "value": 5.35
        },
        {
          "date": "2026-09-17",
          "value": 5.29
        },
        {
          "date": "2026-09-18",
          "value": 5.34
        },
        {
          "date": "2026-09-21",
          "value": 5.29
        },
        {
          "date": "2026-09-22",
          "value": 5.29
        },
        {
          "date": "2026-09-23",
          "value": 5.4
        },
        {
          "date": "2026-09-24",
          "value": 5.47
        },
        {
          "date": "2026-09-25",
          "value": 5.49
        },
        {
          "date": "2026-09-28",
          "value": 5.56
        },
        {
          "date": "2026-09-29",
          "value": 5.59
        },
        {
          "date": "2026-09-30",
          "value": 5.64
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 5.64
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 5.27
      },
      "changeBp": 37
    },
    {
      "type": "5Y_TIPS",
      "fredId": "DFII5",
      "label": "5-year TIPS (real)",
      "source": "U.S. Treasury · 5 YR par real yield",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 2.18
        },
        {
          "date": "2026-09-02",
          "value": 2.19
        },
        {
          "date": "2026-09-03",
          "value": 2.15
        },
        {
          "date": "2026-09-04",
          "value": 2.17
        },
        {
          "date": "2026-09-08",
          "value": 2.17
        },
        {
          "date": "2026-09-09",
          "value": 2.2
        },
        {
          "date": "2026-09-10",
          "value": 2.29
        },
        {
          "date": "2026-09-11",
          "value": 2.38
        },
        {
          "date": "2026-09-14",
          "value": 2.4
        },
        {
          "date": "2026-09-15",
          "value": 2.42
        },
        {
          "date": "2026-09-16",
          "value": 2.51
        },
        {
          "date": "2026-09-17",
          "value": 2.46
        },
        {
          "date": "2026-09-18",
          "value": 2.55
        },
        {
          "date": "2026-09-21",
          "value": 2.5
        },
        {
          "date": "2026-09-22",
          "value": 2.51
        },
        {
          "date": "2026-09-23",
          "value": 2.65
        },
        {
          "date": "2026-09-24",
          "value": 2.7
        },
        {
          "date": "2026-09-25",
          "value": 2.64
        },
        {
          "date": "2026-09-28",
          "value": 2.73
        },
        {
          "date": "2026-09-29",
          "value": 2.72
        },
        {
          "date": "2026-09-30",
          "value": 2.73
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 2.73
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 2.18
      },
      "changeBp": 55
    },
    {
      "type": "DFEDTARU",
      "fredId": "DFEDTARU",
      "label": "Fed funds target (upper)",
      "source": "NY Fed · EFFR target range, upper bound",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 3.75
        },
        {
          "date": "2026-09-02",
          "value": 3.75
        },
        {
          "date": "2026-09-03",
          "value": 3.75
        },
        {
          "date": "2026-09-04",
          "value": 3.75
        },
        {
          "date": "2026-09-08",
          "value": 3.75
        },
        {
          "date": "2026-09-09",
          "value": 3.75
        },
        {
          "date": "2026-09-10",
          "value": 3.75
        },
        {
          "date": "2026-09-11",
          "value": 3.75
        },
        {
          "date": "2026-09-14",
          "value": 3.75
        },
        {
          "date": "2026-09-15",
          "value": 3.75
        },
        {
          "date": "2026-09-16",
          "value": 3.75
        },
        {
          "date": "2026-09-17",
          "value": 4
        },
        {
          "date": "2026-09-18",
          "value": 4
        },
        {
          "date": "2026-09-21",
          "value": 4
        },
        {
          "date": "2026-09-22",
          "value": 4
        },
        {
          "date": "2026-09-23",
          "value": 4
        },
        {
          "date": "2026-09-24",
          "value": 4
        },
        {
          "date": "2026-09-25",
          "value": 4
        },
        {
          "date": "2026-09-28",
          "value": 4
        },
        {
          "date": "2026-09-29",
          "value": 4
        },
        {
          "date": "2026-09-30",
          "value": 4
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 4
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 3.75
      },
      "changeBp": 25
    },
    {
      "type": "DFF",
      "fredId": "DFF",
      "label": "Fed funds (effective)",
      "source": "NY Fed · EFFR",
      "observations": [
        {
          "date": "2026-09-01",
          "value": 3.63
        },
        {
          "date": "2026-09-02",
          "value": 3.63
        },
        {
          "date": "2026-09-03",
          "value": 3.63
        },
        {
          "date": "2026-09-04",
          "value": 3.63
        },
        {
          "date": "2026-09-08",
          "value": 3.63
        },
        {
          "date": "2026-09-09",
          "value": 3.63
        },
        {
          "date": "2026-09-10",
          "value": 3.63
        },
        {
          "date": "2026-09-11",
          "value": 3.63
        },
        {
          "date": "2026-09-14",
          "value": 3.63
        },
        {
          "date": "2026-09-15",
          "value": 3.63
        },
        {
          "date": "2026-09-16",
          "value": 3.63
        },
        {
          "date": "2026-09-17",
          "value": 3.88
        },
        {
          "date": "2026-09-18",
          "value": 3.88
        },
        {
          "date": "2026-09-21",
          "value": 3.88
        },
        {
          "date": "2026-09-22",
          "value": 3.88
        },
        {
          "date": "2026-09-23",
          "value": 3.88
        },
        {
          "date": "2026-09-24",
          "value": 3.88
        },
        {
          "date": "2026-09-25",
          "value": 3.88
        },
        {
          "date": "2026-09-28",
          "value": 3.88
        },
        {
          "date": "2026-09-29",
          "value": 3.88
        },
        {
          "date": "2026-09-30",
          "value": 3.88
        }
      ],
      "monthEnd": {
        "date": "2026-09-30",
        "value": 3.88
      },
      "monthStart": {
        "date": "2026-09-01",
        "value": 3.63
      },
      "changeBp": 25
    }
  ]
}