10Y/2Y Yield Curves, 2015-2018

Use the date slider to explore the ten-year/two-year yield curve historically.

Data from U.S. Treasury. Daily trading data, Jan. 1, 2015 through Dec. 24, 2018, for two-year and ten-year bonds.

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  {
    "date": "2015-01-02",
    "R_2Y": 0.66,
    "R_10Y": 2.12
  },
  {
    "date": "2015-01-05",
    "R_2Y": 0.68,
    "R_10Y": 2.04
  },
  {
    "date": "2015-01-06",
    "R_2Y": 0.65,
    "R_10Y": 1.97
  },
  {
    "date": "2015-01-07",
    "R_2Y": 0.62,
    "R_10Y": 1.96
  },
  {
    "date": "2015-01-08",
    "R_2Y": 0.62,
    "R_10Y": 2.03
  },
  {
    "date": "2015-01-09",
    "R_2Y": 0.59,
    "R_10Y": 1.98
  },
  {
    "date": "2015-01-12",
    "R_2Y": 0.56,
    "R_10Y": 1.92
  },
  {
    "date": "2015-01-13",
    "R_2Y": 0.54,
    "R_10Y": 1.91
  },
  {
    "date": "2015-01-14",
    "R_2Y": 0.51,
    "R_10Y": 1.86
  },
  {
    "date": "2015-01-15",
    "R_2Y": 0.44,
    "R_10Y": 1.77
  },
  {
    "date": "2015-01-16",
    "R_2Y": 0.49,
    "R_10Y": 1.83
  },
  {
    "date": "2015-01-20",
    "R_2Y": 0.53,
    "R_10Y": 1.82
  },
  {
    "date": "2015-01-21",
    "R_2Y": 0.53,
    "R_10Y": 1.87
  },
  {
    "date": "2015-01-22",
    "R_2Y": 0.53,
    "R_10Y": 1.9
  },
  {
    "date": "2015-01-23",
    "R_2Y": 0.52,
    "R_10Y": 1.81
  },
  {
    "date": "2015-01-26",
    "R_2Y": 0.54,
    "R_10Y": 1.83
  },
  {
    "date": "2015-01-27",
    "R_2Y": 0.54,
    "R_10Y": 1.83
  },
  {
    "date": "2015-01-28",
    "R_2Y": 0.5,
    "R_10Y": 1.73
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  {
    "date": "2015-01-29",
    "R_2Y": 0.51,
    "R_10Y": 1.77
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  {
    "date": "2015-01-30",
    "R_2Y": 0.47,
    "R_10Y": 1.68
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  {
    "date": "2015-02-02",
    "R_2Y": 0.49,
    "R_10Y": 1.68
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    "date": "2015-02-03",
    "R_2Y": 0.52,
    "R_10Y": 1.79
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    "date": "2015-02-04",
    "R_2Y": 0.52,
    "R_10Y": 1.81
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    "date": "2015-02-05",
    "R_2Y": 0.52,
    "R_10Y": 1.83
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    "date": "2015-02-06",
    "R_2Y": 0.65,
    "R_10Y": 1.95
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    "date": "2015-02-09",
    "R_2Y": 0.65,
    "R_10Y": 1.96
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    "date": "2015-02-10",
    "R_2Y": 0.67,
    "R_10Y": 2.01
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    "date": "2015-02-11",
    "R_2Y": 0.67,
    "R_10Y": 2
  },
  {
    "date": "2015-02-12",
    "R_2Y": 0.61,
    "R_10Y": 1.99
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  {
    "date": "2015-02-13",
    "R_2Y": 0.66,
    "R_10Y": 2.02
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  {
    "date": "2015-02-17",
    "R_2Y": 0.7,
    "R_10Y": 2.14
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  {
    "date": "2015-02-18",
    "R_2Y": 0.62,
    "R_10Y": 2.07
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  {
    "date": "2015-02-19",
    "R_2Y": 0.67,
    "R_10Y": 2.11
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  {
    "date": "2015-02-20",
    "R_2Y": 0.67,
    "R_10Y": 2.13
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  {
    "date": "2015-02-23",
    "R_2Y": 0.64,
    "R_10Y": 2.06
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  {
    "date": "2015-02-24",
    "R_2Y": 0.6,
    "R_10Y": 1.99
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  {
    "date": "2015-02-25",
    "R_2Y": 0.61,
    "R_10Y": 1.96
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    "date": "2015-02-26",
    "R_2Y": 0.66,
    "R_10Y": 2.03
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  {
    "date": "2015-02-27",
    "R_2Y": 0.63,
    "R_10Y": 2
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  {
    "date": "2015-03-02",
    "R_2Y": 0.66,
    "R_10Y": 2.08
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  {
    "date": "2015-03-03",
    "R_2Y": 0.68,
    "R_10Y": 2.12
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  {
    "date": "2015-03-04",
    "R_2Y": 0.66,
    "R_10Y": 2.12
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  {
    "date": "2015-03-05",
    "R_2Y": 0.65,
    "R_10Y": 2.11
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  {
    "date": "2015-03-06",
    "R_2Y": 0.73,
    "R_10Y": 2.24
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    "date": "2015-03-09",
    "R_2Y": 0.7,
    "R_10Y": 2.2
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    "date": "2015-03-10",
    "R_2Y": 0.7,
    "R_10Y": 2.14
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    "date": "2015-03-11",
    "R_2Y": 0.7,
    "R_10Y": 2.11
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    "date": "2015-03-12",
    "R_2Y": 0.67,
    "R_10Y": 2.1
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    "date": "2015-03-13",
    "R_2Y": 0.68,
    "R_10Y": 2.13
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    "date": "2015-03-16",
    "R_2Y": 0.66,
    "R_10Y": 2.1
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    "date": "2015-03-17",
    "R_2Y": 0.7,
    "R_10Y": 2.06
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    "date": "2015-03-18",
    "R_2Y": 0.57,
    "R_10Y": 1.93
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    "date": "2015-03-19",
    "R_2Y": 0.63,
    "R_10Y": 1.98
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    "date": "2015-03-20",
    "R_2Y": 0.6,
    "R_10Y": 1.93
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    "date": "2015-03-23",
    "R_2Y": 0.6,
    "R_10Y": 1.92
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    "date": "2015-03-24",
    "R_2Y": 0.58,
    "R_10Y": 1.88
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    "date": "2015-03-25",
    "R_2Y": 0.59,
    "R_10Y": 1.93
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    "date": "2015-03-26",
    "R_2Y": 0.61,
    "R_10Y": 2.01
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    "date": "2015-03-27",
    "R_2Y": 0.58,
    "R_10Y": 1.95
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    "date": "2015-03-30",
    "R_2Y": 0.58,
    "R_10Y": 1.96
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    "date": "2015-03-31",
    "R_2Y": 0.56,
    "R_10Y": 1.94
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  {
    "date": "2015-04-01",
    "R_2Y": 0.55,
    "R_10Y": 1.87
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  {
    "date": "2015-04-02",
    "R_2Y": 0.55,
    "R_10Y": 1.92
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  {
    "date": "2015-04-03",
    "R_2Y": 0.49,
    "R_10Y": 1.85
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  {
    "date": "2015-04-06",
    "R_2Y": 0.51,
    "R_10Y": 1.92
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  {
    "date": "2015-04-07",
    "R_2Y": 0.52,
    "R_10Y": 1.89
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  {
    "date": "2015-04-08",
    "R_2Y": 0.54,
    "R_10Y": 1.92
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    "date": "2015-04-09",
    "R_2Y": 0.56,
    "R_10Y": 1.97
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  {
    "date": "2015-04-10",
    "R_2Y": 0.57,
    "R_10Y": 1.96
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  {
    "date": "2015-04-13",
    "R_2Y": 0.54,
    "R_10Y": 1.94
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    "date": "2015-04-14",
    "R_2Y": 0.53,
    "R_10Y": 1.9
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    "date": "2015-04-15",
    "R_2Y": 0.51,
    "R_10Y": 1.91
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    "date": "2015-04-16",
    "R_2Y": 0.5,
    "R_10Y": 1.9
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    "date": "2015-04-17",
    "R_2Y": 0.51,
    "R_10Y": 1.87
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    "date": "2015-04-20",
    "R_2Y": 0.55,
    "R_10Y": 1.9
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    "date": "2015-04-21",
    "R_2Y": 0.55,
    "R_10Y": 1.92
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    "date": "2015-04-22",
    "R_2Y": 0.57,
    "R_10Y": 1.99
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    "date": "2015-04-23",
    "R_2Y": 0.55,
    "R_10Y": 1.96
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    "date": "2015-04-24",
    "R_2Y": 0.54,
    "R_10Y": 1.93
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    "date": "2015-04-27",
    "R_2Y": 0.54,
    "R_10Y": 1.94
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  {
    "date": "2015-04-28",
    "R_2Y": 0.56,
    "R_10Y": 2
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  {
    "date": "2015-04-29",
    "R_2Y": 0.56,
    "R_10Y": 2.06
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  {
    "date": "2015-04-30",
    "R_2Y": 0.58,
    "R_10Y": 2.05
  },
  {
    "date": "2015-05-01",
    "R_2Y": 0.6,
    "R_10Y": 2.12
  },
  {
    "date": "2015-05-04",
    "R_2Y": 0.6,
    "R_10Y": 2.16
  },
  {
    "date": "2015-05-05",
    "R_2Y": 0.62,
    "R_10Y": 2.19
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  {
    "date": "2015-05-06",
    "R_2Y": 0.65,
    "R_10Y": 2.25
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  {
    "date": "2015-05-07",
    "R_2Y": 0.63,
    "R_10Y": 2.18
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    "date": "2015-05-08",
    "R_2Y": 0.59,
    "R_10Y": 2.16
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    "date": "2015-05-11",
    "R_2Y": 0.62,
    "R_10Y": 2.28
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    "date": "2015-05-12",
    "R_2Y": 0.61,
    "R_10Y": 2.28
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    "date": "2015-05-13",
    "R_2Y": 0.59,
    "R_10Y": 2.27
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    "date": "2015-05-14",
    "R_2Y": 0.56,
    "R_10Y": 2.23
  },
  {
    "date": "2015-05-15",
    "R_2Y": 0.55,
    "R_10Y": 2.14
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    "date": "2015-05-18",
    "R_2Y": 0.58,
    "R_10Y": 2.23
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    "date": "2015-05-19",
    "R_2Y": 0.63,
    "R_10Y": 2.27
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  {
    "date": "2015-05-20",
    "R_2Y": 0.6,
    "R_10Y": 2.26
  },
  {
    "date": "2015-05-21",
    "R_2Y": 0.6,
    "R_10Y": 2.19
  },
  {
    "date": "2015-05-22",
    "R_2Y": 0.64,
    "R_10Y": 2.21
  },
  {
    "date": "2015-05-26",
    "R_2Y": 0.64,
    "R_10Y": 2.14
  },
  {
    "date": "2015-05-27",
    "R_2Y": 0.64,
    "R_10Y": 2.14
  },
  {
    "date": "2015-05-28",
    "R_2Y": 0.62,
    "R_10Y": 2.13
  },
  {
    "date": "2015-05-29",
    "R_2Y": 0.61,
    "R_10Y": 2.12
  },
  {
    "date": "2015-06-01",
    "R_2Y": 0.64,
    "R_10Y": 2.19
  },
  {
    "date": "2015-06-02",
    "R_2Y": 0.64,
    "R_10Y": 2.27
  },
  {
    "date": "2015-06-03",
    "R_2Y": 0.69,
    "R_10Y": 2.38
  },
  {
    "date": "2015-06-04",
    "R_2Y": 0.66,
    "R_10Y": 2.31
  },
  {
    "date": "2015-06-05",
    "R_2Y": 0.73,
    "R_10Y": 2.41
  },
  {
    "date": "2015-06-08",
    "R_2Y": 0.7,
    "R_10Y": 2.39
  },
  {
    "date": "2015-06-09",
    "R_2Y": 0.72,
    "R_10Y": 2.42
  },
  {
    "date": "2015-06-10",
    "R_2Y": 0.75,
    "R_10Y": 2.5
  },
  {
    "date": "2015-06-11",
    "R_2Y": 0.73,
    "R_10Y": 2.39
  },
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    "date": "2015-06-12",
    "R_2Y": 0.74,
    "R_10Y": 2.39
  },
  {
    "date": "2015-06-15",
    "R_2Y": 0.72,
    "R_10Y": 2.36
  },
  {
    "date": "2015-06-16",
    "R_2Y": 0.71,
    "R_10Y": 2.32
  },
  {
    "date": "2015-06-17",
    "R_2Y": 0.67,
    "R_10Y": 2.32
  },
  {
    "date": "2015-06-18",
    "R_2Y": 0.66,
    "R_10Y": 2.35
  },
  {
    "date": "2015-06-19",
    "R_2Y": 0.65,
    "R_10Y": 2.26
  },
  {
    "date": "2015-06-22",
    "R_2Y": 0.68,
    "R_10Y": 2.37
  },
  {
    "date": "2015-06-23",
    "R_2Y": 0.7,
    "R_10Y": 2.42
  },
  {
    "date": "2015-06-24",
    "R_2Y": 0.68,
    "R_10Y": 2.38
  },
  {
    "date": "2015-06-25",
    "R_2Y": 0.68,
    "R_10Y": 2.4
  },
  {
    "date": "2015-06-26",
    "R_2Y": 0.72,
    "R_10Y": 2.49
  },
  {
    "date": "2015-06-29",
    "R_2Y": 0.64,
    "R_10Y": 2.33
  },
  {
    "date": "2015-06-30",
    "R_2Y": 0.64,
    "R_10Y": 2.35
  },
  {
    "date": "2015-07-01",
    "R_2Y": 0.69,
    "R_10Y": 2.43
  },
  {
    "date": "2015-07-02",
    "R_2Y": 0.64,
    "R_10Y": 2.4
  },
  {
    "date": "2015-07-06",
    "R_2Y": 0.6,
    "R_10Y": 2.3
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  {
    "date": "2015-07-07",
    "R_2Y": 0.58,
    "R_10Y": 2.27
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  {
    "date": "2015-07-08",
    "R_2Y": 0.55,
    "R_10Y": 2.22
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  {
    "date": "2015-07-09",
    "R_2Y": 0.6,
    "R_10Y": 2.32
  },
  {
    "date": "2015-07-10",
    "R_2Y": 0.65,
    "R_10Y": 2.42
  },
  {
    "date": "2015-07-13",
    "R_2Y": 0.69,
    "R_10Y": 2.44
  },
  {
    "date": "2015-07-14",
    "R_2Y": 0.66,
    "R_10Y": 2.41
  },
  {
    "date": "2015-07-15",
    "R_2Y": 0.64,
    "R_10Y": 2.36
  },
  {
    "date": "2015-07-16",
    "R_2Y": 0.67,
    "R_10Y": 2.36
  },
  {
    "date": "2015-07-17",
    "R_2Y": 0.68,
    "R_10Y": 2.34
  },
  {
    "date": "2015-07-20",
    "R_2Y": 0.71,
    "R_10Y": 2.38
  },
  {
    "date": "2015-07-21",
    "R_2Y": 0.71,
    "R_10Y": 2.35
  },
  {
    "date": "2015-07-22",
    "R_2Y": 0.75,
    "R_10Y": 2.33
  },
  {
    "date": "2015-07-23",
    "R_2Y": 0.71,
    "R_10Y": 2.28
  },
  {
    "date": "2015-07-24",
    "R_2Y": 0.7,
    "R_10Y": 2.27
  },
  {
    "date": "2015-07-27",
    "R_2Y": 0.68,
    "R_10Y": 2.23
  },
  {
    "date": "2015-07-28",
    "R_2Y": 0.69,
    "R_10Y": 2.26
  },
  {
    "date": "2015-07-29",
    "R_2Y": 0.7,
    "R_10Y": 2.29
  },
  {
    "date": "2015-07-30",
    "R_2Y": 0.72,
    "R_10Y": 2.28
  },
  {
    "date": "2015-07-31",
    "R_2Y": 0.67,
    "R_10Y": 2.2
  },
  {
    "date": "2015-08-03",
    "R_2Y": 0.68,
    "R_10Y": 2.16
  },
  {
    "date": "2015-08-04",
    "R_2Y": 0.74,
    "R_10Y": 2.23
  },
  {
    "date": "2015-08-05",
    "R_2Y": 0.73,
    "R_10Y": 2.28
  },
  {
    "date": "2015-08-06",
    "R_2Y": 0.71,
    "R_10Y": 2.23
  },
  {
    "date": "2015-08-07",
    "R_2Y": 0.73,
    "R_10Y": 2.18
  },
  {
    "date": "2015-08-10",
    "R_2Y": 0.73,
    "R_10Y": 2.24
  },
  {
    "date": "2015-08-11",
    "R_2Y": 0.68,
    "R_10Y": 2.15
  },
  {
    "date": "2015-08-12",
    "R_2Y": 0.67,
    "R_10Y": 2.14
  },
  {
    "date": "2015-08-13",
    "R_2Y": 0.72,
    "R_10Y": 2.19
  },
  {
    "date": "2015-08-14",
    "R_2Y": 0.73,
    "R_10Y": 2.2
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  {
    "date": "2015-08-17",
    "R_2Y": 0.72,
    "R_10Y": 2.16
  },
  {
    "date": "2015-08-18",
    "R_2Y": 0.74,
    "R_10Y": 2.2
  },
  {
    "date": "2015-08-19",
    "R_2Y": 0.67,
    "R_10Y": 2.12
  },
  {
    "date": "2015-08-20",
    "R_2Y": 0.69,
    "R_10Y": 2.09
  },
  {
    "date": "2015-08-21",
    "R_2Y": 0.64,
    "R_10Y": 2.05
  },
  {
    "date": "2015-08-24",
    "R_2Y": 0.59,
    "R_10Y": 2.01
  },
  {
    "date": "2015-08-25",
    "R_2Y": 0.67,
    "R_10Y": 2.12
  },
  {
    "date": "2015-08-26",
    "R_2Y": 0.67,
    "R_10Y": 2.18
  },
  {
    "date": "2015-08-27",
    "R_2Y": 0.68,
    "R_10Y": 2.18
  },
  {
    "date": "2015-08-28",
    "R_2Y": 0.72,
    "R_10Y": 2.19
  },
  {
    "date": "2015-08-31",
    "R_2Y": 0.74,
    "R_10Y": 2.21
  },
  {
    "date": "2015-09-01",
    "R_2Y": 0.7,
    "R_10Y": 2.17
  },
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    "date": "2018-07-09",
    "R_2Y": 2.57,
    "R_10Y": 2.86
  },
  {
    "date": "2018-07-10",
    "R_2Y": 2.59,
    "R_10Y": 2.87
  },
  {
    "date": "2018-07-11",
    "R_2Y": 2.58,
    "R_10Y": 2.85
  },
  {
    "date": "2018-07-12",
    "R_2Y": 2.6,
    "R_10Y": 2.85
  },
  {
    "date": "2018-07-13",
    "R_2Y": 2.59,
    "R_10Y": 2.83
  },
  {
    "date": "2018-07-16",
    "R_2Y": 2.59,
    "R_10Y": 2.85
  },
  {
    "date": "2018-07-17",
    "R_2Y": 2.62,
    "R_10Y": 2.86
  },
  {
    "date": "2018-07-18",
    "R_2Y": 2.6,
    "R_10Y": 2.88
  },
  {
    "date": "2018-07-19",
    "R_2Y": 2.6,
    "R_10Y": 2.84
  },
  {
    "date": "2018-07-20",
    "R_2Y": 2.6,
    "R_10Y": 2.89
  },
  {
    "date": "2018-07-23",
    "R_2Y": 2.64,
    "R_10Y": 2.96
  },
  {
    "date": "2018-07-24",
    "R_2Y": 2.63,
    "R_10Y": 2.95
  },
  {
    "date": "2018-07-25",
    "R_2Y": 2.66,
    "R_10Y": 2.94
  },
  {
    "date": "2018-07-26",
    "R_2Y": 2.69,
    "R_10Y": 2.98
  },
  {
    "date": "2018-07-27",
    "R_2Y": 2.67,
    "R_10Y": 2.96
  },
  {
    "date": "2018-07-30",
    "R_2Y": 2.66,
    "R_10Y": 2.98
  },
  {
    "date": "2018-07-31",
    "R_2Y": 2.67,
    "R_10Y": 2.96
  },
  {
    "date": "2018-08-01",
    "R_2Y": 2.67,
    "R_10Y": 3
  },
  {
    "date": "2018-08-02",
    "R_2Y": 2.66,
    "R_10Y": 2.98
  },
  {
    "date": "2018-08-03",
    "R_2Y": 2.63,
    "R_10Y": 2.95
  },
  {
    "date": "2018-08-06",
    "R_2Y": 2.64,
    "R_10Y": 2.94
  },
  {
    "date": "2018-08-07",
    "R_2Y": 2.68,
    "R_10Y": 2.98
  },
  {
    "date": "2018-08-08",
    "R_2Y": 2.68,
    "R_10Y": 2.96
  },
  {
    "date": "2018-08-09",
    "R_2Y": 2.64,
    "R_10Y": 2.93
  },
  {
    "date": "2018-08-10",
    "R_2Y": 2.61,
    "R_10Y": 2.87
  },
  {
    "date": "2018-08-13",
    "R_2Y": 2.61,
    "R_10Y": 2.88
  },
  {
    "date": "2018-08-14",
    "R_2Y": 2.63,
    "R_10Y": 2.89
  },
  {
    "date": "2018-08-15",
    "R_2Y": 2.61,
    "R_10Y": 2.86
  },
  {
    "date": "2018-08-16",
    "R_2Y": 2.63,
    "R_10Y": 2.87
  },
  {
    "date": "2018-08-17",
    "R_2Y": 2.61,
    "R_10Y": 2.87
  },
  {
    "date": "2018-08-20",
    "R_2Y": 2.6,
    "R_10Y": 2.82
  },
  {
    "date": "2018-08-21",
    "R_2Y": 2.61,
    "R_10Y": 2.85
  },
  {
    "date": "2018-08-22",
    "R_2Y": 2.6,
    "R_10Y": 2.82
  },
  {
    "date": "2018-08-23",
    "R_2Y": 2.61,
    "R_10Y": 2.82
  },
  {
    "date": "2018-08-24",
    "R_2Y": 2.63,
    "R_10Y": 2.82
  },
  {
    "date": "2018-08-27",
    "R_2Y": 2.67,
    "R_10Y": 2.85
  },
  {
    "date": "2018-08-28",
    "R_2Y": 2.67,
    "R_10Y": 2.88
  },
  {
    "date": "2018-08-29",
    "R_2Y": 2.67,
    "R_10Y": 2.89
  },
  {
    "date": "2018-08-30",
    "R_2Y": 2.64,
    "R_10Y": 2.86
  },
  {
    "date": "2018-08-31",
    "R_2Y": 2.62,
    "R_10Y": 2.86
  },
  {
    "date": "2018-09-04",
    "R_2Y": 2.66,
    "R_10Y": 2.9
  },
  {
    "date": "2018-09-05",
    "R_2Y": 2.66,
    "R_10Y": 2.9
  },
  {
    "date": "2018-09-06",
    "R_2Y": 2.64,
    "R_10Y": 2.88
  },
  {
    "date": "2018-09-07",
    "R_2Y": 2.71,
    "R_10Y": 2.94
  },
  {
    "date": "2018-09-10",
    "R_2Y": 2.73,
    "R_10Y": 2.94
  },
  {
    "date": "2018-09-11",
    "R_2Y": 2.76,
    "R_10Y": 2.98
  },
  {
    "date": "2018-09-12",
    "R_2Y": 2.74,
    "R_10Y": 2.97
  },
  {
    "date": "2018-09-13",
    "R_2Y": 2.76,
    "R_10Y": 2.97
  },
  {
    "date": "2018-09-14",
    "R_2Y": 2.78,
    "R_10Y": 2.99
  },
  {
    "date": "2018-09-17",
    "R_2Y": 2.78,
    "R_10Y": 2.99
  },
  {
    "date": "2018-09-18",
    "R_2Y": 2.81,
    "R_10Y": 3.05
  },
  {
    "date": "2018-09-19",
    "R_2Y": 2.81,
    "R_10Y": 3.08
  },
  {
    "date": "2018-09-20",
    "R_2Y": 2.81,
    "R_10Y": 3.07
  },
  {
    "date": "2018-09-21",
    "R_2Y": 2.81,
    "R_10Y": 3.07
  },
  {
    "date": "2018-09-24",
    "R_2Y": 2.83,
    "R_10Y": 3.08
  },
  {
    "date": "2018-09-25",
    "R_2Y": 2.83,
    "R_10Y": 3.1
  },
  {
    "date": "2018-09-26",
    "R_2Y": 2.83,
    "R_10Y": 3.06
  },
  {
    "date": "2018-09-27",
    "R_2Y": 2.83,
    "R_10Y": 3.06
  },
  {
    "date": "2018-09-28",
    "R_2Y": 2.81,
    "R_10Y": 3.05
  },
  {
    "date": "2018-10-01",
    "R_2Y": 2.82,
    "R_10Y": 3.09
  },
  {
    "date": "2018-10-02",
    "R_2Y": 2.82,
    "R_10Y": 3.05
  },
  {
    "date": "2018-10-03",
    "R_2Y": 2.85,
    "R_10Y": 3.15
  },
  {
    "date": "2018-10-04",
    "R_2Y": 2.87,
    "R_10Y": 3.19
  },
  {
    "date": "2018-10-05",
    "R_2Y": 2.88,
    "R_10Y": 3.23
  },
  {
    "date": "2018-10-09",
    "R_2Y": 2.88,
    "R_10Y": 3.21
  },
  {
    "date": "2018-10-10",
    "R_2Y": 2.88,
    "R_10Y": 3.22
  },
  {
    "date": "2018-10-11",
    "R_2Y": 2.85,
    "R_10Y": 3.14
  },
  {
    "date": "2018-10-12",
    "R_2Y": 2.85,
    "R_10Y": 3.15
  },
  {
    "date": "2018-10-15",
    "R_2Y": 2.85,
    "R_10Y": 3.16
  },
  {
    "date": "2018-10-16",
    "R_2Y": 2.87,
    "R_10Y": 3.16
  },
  {
    "date": "2018-10-17",
    "R_2Y": 2.89,
    "R_10Y": 3.19
  },
  {
    "date": "2018-10-18",
    "R_2Y": 2.87,
    "R_10Y": 3.17
  },
  {
    "date": "2018-10-19",
    "R_2Y": 2.92,
    "R_10Y": 3.2
  },
  {
    "date": "2018-10-22",
    "R_2Y": 2.92,
    "R_10Y": 3.2
  },
  {
    "date": "2018-10-23",
    "R_2Y": 2.89,
    "R_10Y": 3.17
  },
  {
    "date": "2018-10-24",
    "R_2Y": 2.84,
    "R_10Y": 3.1
  },
  {
    "date": "2018-10-25",
    "R_2Y": 2.86,
    "R_10Y": 3.14
  },
  {
    "date": "2018-10-26",
    "R_2Y": 2.81,
    "R_10Y": 3.08
  },
  {
    "date": "2018-10-29",
    "R_2Y": 2.81,
    "R_10Y": 3.08
  },
  {
    "date": "2018-10-30",
    "R_2Y": 2.84,
    "R_10Y": 3.12
  },
  {
    "date": "2018-10-31",
    "R_2Y": 2.87,
    "R_10Y": 3.15
  },
  {
    "date": "2018-11-01",
    "R_2Y": 2.84,
    "R_10Y": 3.14
  },
  {
    "date": "2018-11-02",
    "R_2Y": 2.91,
    "R_10Y": 3.22
  },
  {
    "date": "2018-11-05",
    "R_2Y": 2.91,
    "R_10Y": 3.2
  },
  {
    "date": "2018-11-06",
    "R_2Y": 2.93,
    "R_10Y": 3.22
  },
  {
    "date": "2018-11-07",
    "R_2Y": 2.96,
    "R_10Y": 3.22
  },
  {
    "date": "2018-11-08",
    "R_2Y": 2.98,
    "R_10Y": 3.24
  },
  {
    "date": "2018-11-09",
    "R_2Y": 2.94,
    "R_10Y": 3.19
  },
  {
    "date": "2018-11-13",
    "R_2Y": 2.89,
    "R_10Y": 3.14
  },
  {
    "date": "2018-11-14",
    "R_2Y": 2.86,
    "R_10Y": 3.12
  },
  {
    "date": "2018-11-15",
    "R_2Y": 2.86,
    "R_10Y": 3.11
  },
  {
    "date": "2018-11-16",
    "R_2Y": 2.81,
    "R_10Y": 3.08
  },
  {
    "date": "2018-11-19",
    "R_2Y": 2.79,
    "R_10Y": 3.06
  },
  {
    "date": "2018-11-20",
    "R_2Y": 2.79,
    "R_10Y": 3.06
  },
  {
    "date": "2018-11-21",
    "R_2Y": 2.81,
    "R_10Y": 3.06
  },
  {
    "date": "2018-11-23",
    "R_2Y": 2.81,
    "R_10Y": 3.05
  },
  {
    "date": "2018-11-26",
    "R_2Y": 2.84,
    "R_10Y": 3.07
  },
  {
    "date": "2018-11-27",
    "R_2Y": 2.83,
    "R_10Y": 3.06
  },
  {
    "date": "2018-11-28",
    "R_2Y": 2.81,
    "R_10Y": 3.06
  },
  {
    "date": "2018-11-29",
    "R_2Y": 2.81,
    "R_10Y": 3.03
  },
  {
    "date": "2018-11-30",
    "R_2Y": 2.8,
    "R_10Y": 3.01
  },
  {
    "date": "2018-12-03",
    "R_2Y": 2.83,
    "R_10Y": 2.98
  },
  {
    "date": "2018-12-04",
    "R_2Y": 2.8,
    "R_10Y": 2.91
  },
  {
    "date": "2018-12-06",
    "R_2Y": 2.75,
    "R_10Y": 2.87
  },
  {
    "date": "2018-12-07",
    "R_2Y": 2.72,
    "R_10Y": 2.85
  },
  {
    "date": "2018-12-10",
    "R_2Y": 2.72,
    "R_10Y": 2.85
  },
  {
    "date": "2018-12-11",
    "R_2Y": 2.78,
    "R_10Y": 2.89
  },
  {
    "date": "2018-12-12",
    "R_2Y": 2.77,
    "R_10Y": 2.91
  },
  {
    "date": "2018-12-13",
    "R_2Y": 2.75,
    "R_10Y": 2.91
  },
  {
    "date": "2018-12-14",
    "R_2Y": 2.73,
    "R_10Y": 2.89
  },
  {
    "date": "2018-12-17",
    "R_2Y": 2.7,
    "R_10Y": 2.86
  },
  {
    "date": "2018-12-18",
    "R_2Y": 2.65,
    "R_10Y": 2.82
  },
  {
    "date": "2018-12-19",
    "R_2Y": 2.63,
    "R_10Y": 2.77
  },
  {
    "date": "2018-12-20",
    "R_2Y": 2.67,
    "R_10Y": 2.79
  },
  {
    "date": "2018-12-21",
    "R_2Y": 2.63,
    "R_10Y": 2.79
  },
  {
    "date": "2018-12-24",
    "R_2Y": 2.55,
    "R_10Y": 2.74
  }
]

var margin = {top: 10, right: 50, bottom: 50, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.bottom - margin.top;
    
// Creates the SVG container
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")")
    .attr("width", width )
    .attr("height", height)

// Creates the plot area for the yield curve
var plot = svg.append("g")
    .attr("width", width )
    .attr("height", height - 20);
    
var yieldCurve = plot.append("path")
    .attr("class", "yieldcurve");

var curveX = d3.scale.linear()
                .domain([0,10])
                .range([0,width]);
var curveY = d3.scale.linear()
                .domain([0,3])
                .range([height - 50 , 0])

var curveXaxis = plot.append("g")
    .attr("class", "plot x axis")
    .attr("transform", "translate(0," + (+height - 50) + ")")
    .call(d3.svg.axis()
      .scale(curveX)
      .orient("bottom"))
      
var curveYaxis = plot.append("g")
    .attr("class", "plot y axis")
    //.attr("transform", "translate(0," + height + ")")
    .call(d3.svg.axis()
      .scale(curveY)
      .orient("left"))

// Add the text label for the x axis
    svg.append("text")
        .attr("transform", "translate(" + (width / 2) + " ," + (height + margin.bottom - 65) + ")")
        .style("text-anchor", "middle")
        .text("Bond Maturity (in years)");

// Labels the Y axis
    svg.append("text")
        .attr("transform", "rotate(-90)")
        .attr("y", 0 - margin.left)
        .attr("x",0 - (height / 2))
        .attr("dy", "1em")
        .style("text-anchor", "middle")
        .text("Percent Yield");

var line = d3.svg.line()
    .x(function(d) { return curveX(d.maturity); })
    .y(function(d) { return curveY(d.yield); });

// Creates the date slider
var x = d3.time.scale()
    .domain(d3.extent(data,function(d){return new Date(d.date)}))
    .range([0, width])
    .clamp(true);
    
var brush = d3.svg.brush()
    .x(x)
    .extent([x.domain()[0],x.domain()[0]])
    .on("brush", brushed)
    .on("brushend",brushended)

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(d3.svg.axis()
      .scale(x)
      .orient("bottom")
      .ticks(d3.time.years)
      .tickFormat(d3.time.format("%Y")))
  .select(".domain")
  .select(function() { return this.parentNode.appendChild(this.cloneNode(true)); })
    .attr("class", "halo")

var slider = svg.append("g")
    .attr("class", "slider")
    .call(brush)

slider.selectAll(".extent,.resize")
    .remove();

slider.select(".background")
    .attr("height", height);

var handle = slider.append("circle")
    .attr("class", "handle")
    .attr("transform", "translate(0," + height + ")")
    .attr("r", 9);

// Creates the animation upon loading
slider
  .call(brush.event)
  .transition()
    .duration(10000)
    .call(brush.extent([x.domain()[1],x.domain()[1]]))
    .call(brush.event);

function brushed() {
  var value;
  
  if(typeof brush.extent() !== "undefined"){
    value = brush.extent()[0];
  
    if (d3.event.sourceEvent) { //
      value = d3.time.day.offset(d3.time.month.round(x.invert(d3.mouse(this)[0])),-1);
      brush.extent([value, value]);
    }
  } else value = x.domain()[0];
    
  updateGraph( value );
  handle.attr("cx", x(value));

}

function brushended(){
  console.log("ended")
}
    
function updateGraph( value ){
  var curvedata = data.filter(function(d){return d3.time.format("%Y-%m")(new Date(d.date))== d3.time.format("%Y-%m")(value)})[0];
  
  var curvearray = [];
  
  Object.keys(curvedata).map(function(key){
    if(key !== "date"){
      curvearray.push({
        maturity : +key.replace(/(R_)([0-9]*)([M,Y])/,"$2") / +{M:12,Y:1}[key.replace(/(R_)([0-9])*([M,Y])/,"$3")] ,
        yield : curvedata[key]
      })
    }
  })
  
  yieldCurve.datum(curvearray)
    .attr("d", line)
}

</script>

Modified http://d3js.org/d3.v3.min.js to a secure url

https://d3js.org/d3.v3.min.js