5Y/2Y, Yield Curves, 2015-2018

Use the date slider to explore the five-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 five-year bonds.

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var data = [
  {
    "date": "01/02/15",
    "R_2Y": 0.66,
    "R_5Y": 1.61
  },
  {
    "date": "01/05/15",
    "R_2Y": 0.68,
    "R_5Y": 1.57
  },
  {
    "date": "01/06/15",
    "R_2Y": 0.65,
    "R_5Y": 1.5
  },
  {
    "date": "01/07/15",
    "R_2Y": 0.62,
    "R_5Y": 1.47
  },
  {
    "date": "01/08/15",
    "R_2Y": 0.62,
    "R_5Y": 1.5
  },
  {
    "date": "01/09/15",
    "R_2Y": 0.59,
    "R_5Y": 1.45
  },
  {
    "date": "01/12/15",
    "R_2Y": 0.56,
    "R_5Y": 1.39
  },
  {
    "date": "01/13/15",
    "R_2Y": 0.54,
    "R_5Y": 1.37
  },
  {
    "date": "01/14/15",
    "R_2Y": 0.51,
    "R_5Y": 1.33
  },
  {
    "date": "01/15/15",
    "R_2Y": 0.44,
    "R_5Y": 1.22
  },
  {
    "date": "01/16/15",
    "R_2Y": 0.49,
    "R_5Y": 1.29
  },
  {
    "date": "01/20/15",
    "R_2Y": 0.53,
    "R_5Y": 1.31
  },
  {
    "date": "01/21/15",
    "R_2Y": 0.53,
    "R_5Y": 1.35
  },
  {
    "date": "01/22/15",
    "R_2Y": 0.53,
    "R_5Y": 1.39
  },
  {
    "date": "01/23/15",
    "R_2Y": 0.52,
    "R_5Y": 1.33
  },
  {
    "date": "01/26/15",
    "R_2Y": 0.54,
    "R_5Y": 1.36
  },
  {
    "date": "01/27/15",
    "R_2Y": 0.54,
    "R_5Y": 1.34
  },
  {
    "date": "01/28/15",
    "R_2Y": 0.5,
    "R_5Y": 1.25
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  {
    "date": "01/29/15",
    "R_2Y": 0.51,
    "R_5Y": 1.28
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  {
    "date": "01/30/15",
    "R_2Y": 0.47,
    "R_5Y": 1.18
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  {
    "date": "02/02/15",
    "R_2Y": 0.49,
    "R_5Y": 1.19
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  {
    "date": "02/03/15",
    "R_2Y": 0.52,
    "R_5Y": 1.28
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    "date": "02/04/15",
    "R_2Y": 0.52,
    "R_5Y": 1.29
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    "R_2Y": 0.52,
    "R_5Y": 1.3
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    "R_2Y": 0.65,
    "R_5Y": 1.48
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    "date": "02/09/15",
    "R_2Y": 0.65,
    "R_5Y": 1.49
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    "R_2Y": 0.67,
    "R_5Y": 1.52
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    "R_2Y": 0.67,
    "R_5Y": 1.53
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  {
    "date": "02/12/15",
    "R_2Y": 0.61,
    "R_5Y": 1.5
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  {
    "date": "02/13/15",
    "R_2Y": 0.66,
    "R_5Y": 1.53
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  {
    "date": "02/17/15",
    "R_2Y": 0.7,
    "R_5Y": 1.62
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  {
    "date": "02/18/15",
    "R_2Y": 0.62,
    "R_5Y": 1.52
  },
  {
    "date": "02/19/15",
    "R_2Y": 0.67,
    "R_5Y": 1.58
  },
  {
    "date": "02/20/15",
    "R_2Y": 0.67,
    "R_5Y": 1.61
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  {
    "date": "02/23/15",
    "R_2Y": 0.64,
    "R_5Y": 1.56
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  {
    "date": "02/24/15",
    "R_2Y": 0.6,
    "R_5Y": 1.47
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  {
    "date": "02/25/15",
    "R_2Y": 0.61,
    "R_5Y": 1.47
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    "date": "02/26/15",
    "R_2Y": 0.66,
    "R_5Y": 1.54
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  {
    "date": "02/27/15",
    "R_2Y": 0.63,
    "R_5Y": 1.5
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  {
    "date": "03/02/15",
    "R_2Y": 0.66,
    "R_5Y": 1.57
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  {
    "date": "03/03/15",
    "R_2Y": 0.68,
    "R_5Y": 1.61
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  {
    "date": "03/04/15",
    "R_2Y": 0.66,
    "R_5Y": 1.6
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  {
    "date": "03/05/15",
    "R_2Y": 0.65,
    "R_5Y": 1.57
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  {
    "date": "03/06/15",
    "R_2Y": 0.73,
    "R_5Y": 1.7
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    "date": "03/09/15",
    "R_2Y": 0.7,
    "R_5Y": 1.66
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    "date": "03/10/15",
    "R_2Y": 0.7,
    "R_5Y": 1.62
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    "R_2Y": 0.7,
    "R_5Y": 1.6
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    "R_2Y": 0.67,
    "R_5Y": 1.59
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    "R_2Y": 0.68,
    "R_5Y": 1.6
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    "R_2Y": 0.66,
    "R_5Y": 1.57
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    "R_2Y": 0.7,
    "R_5Y": 1.56
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    "R_2Y": 0.57,
    "R_5Y": 1.41
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    "date": "03/19/15",
    "R_2Y": 0.63,
    "R_5Y": 1.48
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    "date": "03/20/15",
    "R_2Y": 0.6,
    "R_5Y": 1.42
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    "date": "03/23/15",
    "R_2Y": 0.6,
    "R_5Y": 1.41
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  {
    "date": "03/24/15",
    "R_2Y": 0.58,
    "R_5Y": 1.37
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    "date": "03/25/15",
    "R_2Y": 0.59,
    "R_5Y": 1.41
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    "date": "03/26/15",
    "R_2Y": 0.61,
    "R_5Y": 1.47
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    "date": "03/27/15",
    "R_2Y": 0.58,
    "R_5Y": 1.42
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    "date": "03/30/15",
    "R_2Y": 0.58,
    "R_5Y": 1.41
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    "date": "03/31/15",
    "R_2Y": 0.56,
    "R_5Y": 1.37
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  {
    "date": "04/01/15",
    "R_2Y": 0.55,
    "R_5Y": 1.32
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  {
    "date": "04/02/15",
    "R_2Y": 0.55,
    "R_5Y": 1.35
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  {
    "date": "04/03/15",
    "R_2Y": 0.49,
    "R_5Y": 1.26
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  {
    "date": "04/06/15",
    "R_2Y": 0.51,
    "R_5Y": 1.31
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  {
    "date": "04/07/15",
    "R_2Y": 0.52,
    "R_5Y": 1.32
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  {
    "date": "04/08/15",
    "R_2Y": 0.54,
    "R_5Y": 1.35
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  {
    "date": "04/09/15",
    "R_2Y": 0.56,
    "R_5Y": 1.4
  },
  {
    "date": "04/10/15",
    "R_2Y": 0.57,
    "R_5Y": 1.41
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  {
    "date": "04/13/15",
    "R_2Y": 0.54,
    "R_5Y": 1.38
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  {
    "date": "04/14/15",
    "R_2Y": 0.53,
    "R_5Y": 1.34
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    "date": "04/15/15",
    "R_2Y": 0.51,
    "R_5Y": 1.33
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    "date": "04/16/15",
    "R_2Y": 0.5,
    "R_5Y": 1.31
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    "date": "04/17/15",
    "R_2Y": 0.51,
    "R_5Y": 1.31
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    "date": "04/20/15",
    "R_2Y": 0.55,
    "R_5Y": 1.33
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    "date": "04/21/15",
    "R_2Y": 0.55,
    "R_5Y": 1.35
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    "date": "04/22/15",
    "R_2Y": 0.57,
    "R_5Y": 1.41
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    "date": "04/23/15",
    "R_2Y": 0.55,
    "R_5Y": 1.37
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  {
    "date": "04/24/15",
    "R_2Y": 0.54,
    "R_5Y": 1.34
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  {
    "date": "04/27/15",
    "R_2Y": 0.54,
    "R_5Y": 1.36
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  {
    "date": "04/28/15",
    "R_2Y": 0.56,
    "R_5Y": 1.39
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  {
    "date": "04/29/15",
    "R_2Y": 0.56,
    "R_5Y": 1.43
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  {
    "date": "04/30/15",
    "R_2Y": 0.58,
    "R_5Y": 1.43
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  {
    "date": "05/01/15",
    "R_2Y": 0.6,
    "R_5Y": 1.5
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  {
    "date": "05/04/15",
    "R_2Y": 0.6,
    "R_5Y": 1.51
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  {
    "date": "05/05/15",
    "R_2Y": 0.62,
    "R_5Y": 1.54
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    "date": "05/06/15",
    "R_2Y": 0.65,
    "R_5Y": 1.58
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    "date": "05/07/15",
    "R_2Y": 0.63,
    "R_5Y": 1.55
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    "date": "05/08/15",
    "R_2Y": 0.59,
    "R_5Y": 1.5
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    "date": "05/11/15",
    "R_2Y": 0.62,
    "R_5Y": 1.59
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    "date": "05/12/15",
    "R_2Y": 0.61,
    "R_5Y": 1.58
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  {
    "date": "05/13/15",
    "R_2Y": 0.59,
    "R_5Y": 1.57
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    "date": "05/14/15",
    "R_2Y": 0.56,
    "R_5Y": 1.51
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    "date": "05/15/15",
    "R_2Y": 0.55,
    "R_5Y": 1.46
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    "date": "05/18/15",
    "R_2Y": 0.58,
    "R_5Y": 1.54
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    "date": "05/19/15",
    "R_2Y": 0.63,
    "R_5Y": 1.6
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    "date": "05/20/15",
    "R_2Y": 0.6,
    "R_5Y": 1.57
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    "date": "05/21/15",
    "R_2Y": 0.6,
    "R_5Y": 1.53
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    "date": "05/22/15",
    "R_2Y": 0.64,
    "R_5Y": 1.57
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    "R_2Y": 0.64,
    "R_5Y": 1.54
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    "R_2Y": 0.64,
    "R_5Y": 1.53
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    "date": "05/28/15",
    "R_2Y": 0.62,
    "R_5Y": 1.51
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    "date": "05/29/15",
    "R_2Y": 0.61,
    "R_5Y": 1.49
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    "date": "06/01/15",
    "R_2Y": 0.64,
    "R_5Y": 1.55
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  {
    "date": "06/02/15",
    "R_2Y": 0.64,
    "R_5Y": 1.61
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  {
    "date": "06/03/15",
    "R_2Y": 0.69,
    "R_5Y": 1.69
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  {
    "date": "06/04/15",
    "R_2Y": 0.66,
    "R_5Y": 1.65
  },
  {
    "date": "06/05/15",
    "R_2Y": 0.73,
    "R_5Y": 1.75
  },
  {
    "date": "06/08/15",
    "R_2Y": 0.7,
    "R_5Y": 1.72
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  {
    "date": "06/09/15",
    "R_2Y": 0.72,
    "R_5Y": 1.74
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  {
    "date": "06/10/15",
    "R_2Y": 0.75,
    "R_5Y": 1.8
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    "date": "06/11/15",
    "R_2Y": 0.73,
    "R_5Y": 1.74
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  {
    "date": "06/12/15",
    "R_2Y": 0.74,
    "R_5Y": 1.75
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  {
    "date": "06/15/15",
    "R_2Y": 0.72,
    "R_5Y": 1.71
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  {
    "date": "06/16/15",
    "R_2Y": 0.71,
    "R_5Y": 1.68
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  {
    "date": "06/17/15",
    "R_2Y": 0.67,
    "R_5Y": 1.63
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  {
    "date": "06/18/15",
    "R_2Y": 0.66,
    "R_5Y": 1.65
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  {
    "date": "06/19/15",
    "R_2Y": 0.65,
    "R_5Y": 1.59
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  {
    "date": "06/22/15",
    "R_2Y": 0.68,
    "R_5Y": 1.68
  },
  {
    "date": "06/23/15",
    "R_2Y": 0.7,
    "R_5Y": 1.71
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  {
    "date": "06/24/15",
    "R_2Y": 0.68,
    "R_5Y": 1.69
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  {
    "date": "06/25/15",
    "R_2Y": 0.68,
    "R_5Y": 1.7
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    "date": "06/26/15",
    "R_2Y": 0.72,
    "R_5Y": 1.75
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  {
    "date": "06/29/15",
    "R_2Y": 0.64,
    "R_5Y": 1.62
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    "date": "06/30/15",
    "R_2Y": 0.64,
    "R_5Y": 1.63
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  {
    "date": "07/01/15",
    "R_2Y": 0.69,
    "R_5Y": 1.7
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  {
    "date": "07/02/15",
    "R_2Y": 0.64,
    "R_5Y": 1.64
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  {
    "date": "07/06/15",
    "R_2Y": 0.6,
    "R_5Y": 1.56
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  {
    "date": "07/07/15",
    "R_2Y": 0.58,
    "R_5Y": 1.55
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  {
    "date": "07/08/15",
    "R_2Y": 0.55,
    "R_5Y": 1.5
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  {
    "date": "07/09/15",
    "R_2Y": 0.6,
    "R_5Y": 1.58
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  {
    "date": "07/10/15",
    "R_2Y": 0.65,
    "R_5Y": 1.68
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  {
    "date": "07/13/15",
    "R_2Y": 0.69,
    "R_5Y": 1.71
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  {
    "date": "07/14/15",
    "R_2Y": 0.66,
    "R_5Y": 1.67
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  {
    "date": "07/15/15",
    "R_2Y": 0.64,
    "R_5Y": 1.63
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    "date": "07/16/15",
    "R_2Y": 0.67,
    "R_5Y": 1.66
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  {
    "date": "07/17/15",
    "R_2Y": 0.68,
    "R_5Y": 1.67
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  {
    "date": "07/20/15",
    "R_2Y": 0.71,
    "R_5Y": 1.72
  },
  {
    "date": "07/21/15",
    "R_2Y": 0.71,
    "R_5Y": 1.69
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  {
    "date": "07/22/15",
    "R_2Y": 0.75,
    "R_5Y": 1.69
  },
  {
    "date": "07/23/15",
    "R_2Y": 0.71,
    "R_5Y": 1.65
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  {
    "date": "07/24/15",
    "R_2Y": 0.7,
    "R_5Y": 1.64
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  {
    "date": "07/27/15",
    "R_2Y": 0.68,
    "R_5Y": 1.58
  },
  {
    "date": "07/28/15",
    "R_2Y": 0.69,
    "R_5Y": 1.61
  },
  {
    "date": "07/29/15",
    "R_2Y": 0.7,
    "R_5Y": 1.62
  },
  {
    "date": "07/30/15",
    "R_2Y": 0.72,
    "R_5Y": 1.62
  },
  {
    "date": "07/31/15",
    "R_2Y": 0.67,
    "R_5Y": 1.54
  },
  {
    "date": "08/03/15",
    "R_2Y": 0.68,
    "R_5Y": 1.52
  },
  {
    "date": "08/04/15",
    "R_2Y": 0.74,
    "R_5Y": 1.6
  },
  {
    "date": "08/05/15",
    "R_2Y": 0.73,
    "R_5Y": 1.65
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  {
    "date": "08/06/15",
    "R_2Y": 0.71,
    "R_5Y": 1.62
  },
  {
    "date": "08/07/15",
    "R_2Y": 0.73,
    "R_5Y": 1.59
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  {
    "date": "08/10/15",
    "R_2Y": 0.73,
    "R_5Y": 1.62
  },
  {
    "date": "08/11/15",
    "R_2Y": 0.68,
    "R_5Y": 1.53
  },
  {
    "date": "08/12/15",
    "R_2Y": 0.67,
    "R_5Y": 1.52
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  {
    "date": "08/13/15",
    "R_2Y": 0.72,
    "R_5Y": 1.58
  },
  {
    "date": "08/14/15",
    "R_2Y": 0.73,
    "R_5Y": 1.61
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  {
    "date": "08/17/15",
    "R_2Y": 0.72,
    "R_5Y": 1.58
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  {
    "date": "08/18/15",
    "R_2Y": 0.74,
    "R_5Y": 1.6
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  {
    "date": "08/19/15",
    "R_2Y": 0.67,
    "R_5Y": 1.5
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  {
    "date": "08/20/15",
    "R_2Y": 0.69,
    "R_5Y": 1.5
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  {
    "date": "08/21/15",
    "R_2Y": 0.64,
    "R_5Y": 1.44
  },
  {
    "date": "08/24/15",
    "R_2Y": 0.59,
    "R_5Y": 1.39
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  {
    "date": "08/25/15",
    "R_2Y": 0.67,
    "R_5Y": 1.48
  },
  {
    "date": "08/26/15",
    "R_2Y": 0.67,
    "R_5Y": 1.49
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  {
    "date": "08/27/15",
    "R_2Y": 0.68,
    "R_5Y": 1.49
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  {
    "date": "08/28/15",
    "R_2Y": 0.72,
    "R_5Y": 1.52
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  {
    "date": "08/31/15",
    "R_2Y": 0.74,
    "R_5Y": 1.54
  },
  {
    "date": "09/01/15",
    "R_2Y": 0.7,
    "R_5Y": 1.49
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    "date": "07/09/18",
    "R_2Y": 2.57,
    "R_5Y": 2.75
  },
  {
    "date": "07/10/18",
    "R_2Y": 2.59,
    "R_5Y": 2.77
  },
  {
    "date": "07/11/18",
    "R_2Y": 2.58,
    "R_5Y": 2.74
  },
  {
    "date": "07/12/18",
    "R_2Y": 2.6,
    "R_5Y": 2.75
  },
  {
    "date": "07/13/18",
    "R_2Y": 2.59,
    "R_5Y": 2.73
  },
  {
    "date": "07/16/18",
    "R_2Y": 2.59,
    "R_5Y": 2.75
  },
  {
    "date": "07/17/18",
    "R_2Y": 2.62,
    "R_5Y": 2.76
  },
  {
    "date": "07/18/18",
    "R_2Y": 2.6,
    "R_5Y": 2.77
  },
  {
    "date": "07/19/18",
    "R_2Y": 2.6,
    "R_5Y": 2.74
  },
  {
    "date": "07/20/18",
    "R_2Y": 2.6,
    "R_5Y": 2.77
  },
  {
    "date": "07/23/18",
    "R_2Y": 2.64,
    "R_5Y": 2.83
  },
  {
    "date": "07/24/18",
    "R_2Y": 2.63,
    "R_5Y": 2.83
  },
  {
    "date": "07/25/18",
    "R_2Y": 2.66,
    "R_5Y": 2.82
  },
  {
    "date": "07/26/18",
    "R_2Y": 2.69,
    "R_5Y": 2.86
  },
  {
    "date": "07/27/18",
    "R_2Y": 2.67,
    "R_5Y": 2.84
  },
  {
    "date": "07/30/18",
    "R_2Y": 2.66,
    "R_5Y": 2.85
  },
  {
    "date": "07/31/18",
    "R_2Y": 2.67,
    "R_5Y": 2.85
  },
  {
    "date": "08/01/18",
    "R_2Y": 2.67,
    "R_5Y": 2.87
  },
  {
    "date": "08/02/18",
    "R_2Y": 2.66,
    "R_5Y": 2.85
  },
  {
    "date": "08/03/18",
    "R_2Y": 2.63,
    "R_5Y": 2.82
  },
  {
    "date": "08/06/18",
    "R_2Y": 2.64,
    "R_5Y": 2.8
  },
  {
    "date": "08/07/18",
    "R_2Y": 2.68,
    "R_5Y": 2.84
  },
  {
    "date": "08/08/18",
    "R_2Y": 2.68,
    "R_5Y": 2.83
  },
  {
    "date": "08/09/18",
    "R_2Y": 2.64,
    "R_5Y": 2.8
  },
  {
    "date": "08/10/18",
    "R_2Y": 2.61,
    "R_5Y": 2.75
  },
  {
    "date": "08/13/18",
    "R_2Y": 2.61,
    "R_5Y": 2.75
  },
  {
    "date": "08/14/18",
    "R_2Y": 2.63,
    "R_5Y": 2.77
  },
  {
    "date": "08/15/18",
    "R_2Y": 2.61,
    "R_5Y": 2.73
  },
  {
    "date": "08/16/18",
    "R_2Y": 2.63,
    "R_5Y": 2.75
  },
  {
    "date": "08/17/18",
    "R_2Y": 2.61,
    "R_5Y": 2.75
  },
  {
    "date": "08/20/18",
    "R_2Y": 2.6,
    "R_5Y": 2.7
  },
  {
    "date": "08/21/18",
    "R_2Y": 2.61,
    "R_5Y": 2.73
  },
  {
    "date": "08/22/18",
    "R_2Y": 2.6,
    "R_5Y": 2.7
  },
  {
    "date": "08/23/18",
    "R_2Y": 2.61,
    "R_5Y": 2.72
  },
  {
    "date": "08/24/18",
    "R_2Y": 2.63,
    "R_5Y": 2.72
  },
  {
    "date": "08/27/18",
    "R_2Y": 2.67,
    "R_5Y": 2.74
  },
  {
    "date": "08/28/18",
    "R_2Y": 2.67,
    "R_5Y": 2.77
  },
  {
    "date": "08/29/18",
    "R_2Y": 2.67,
    "R_5Y": 2.78
  },
  {
    "date": "08/30/18",
    "R_2Y": 2.64,
    "R_5Y": 2.75
  },
  {
    "date": "08/31/18",
    "R_2Y": 2.62,
    "R_5Y": 2.74
  },
  {
    "date": "09/04/18",
    "R_2Y": 2.66,
    "R_5Y": 2.78
  },
  {
    "date": "09/05/18",
    "R_2Y": 2.66,
    "R_5Y": 2.77
  },
  {
    "date": "09/06/18",
    "R_2Y": 2.64,
    "R_5Y": 2.76
  },
  {
    "date": "09/07/18",
    "R_2Y": 2.71,
    "R_5Y": 2.82
  },
  {
    "date": "09/10/18",
    "R_2Y": 2.73,
    "R_5Y": 2.83
  },
  {
    "date": "09/11/18",
    "R_2Y": 2.76,
    "R_5Y": 2.87
  },
  {
    "date": "09/12/18",
    "R_2Y": 2.74,
    "R_5Y": 2.87
  },
  {
    "date": "09/13/18",
    "R_2Y": 2.76,
    "R_5Y": 2.87
  },
  {
    "date": "09/14/18",
    "R_2Y": 2.78,
    "R_5Y": 2.9
  },
  {
    "date": "09/17/18",
    "R_2Y": 2.78,
    "R_5Y": 2.89
  },
  {
    "date": "09/18/18",
    "R_2Y": 2.81,
    "R_5Y": 2.94
  },
  {
    "date": "09/19/18",
    "R_2Y": 2.81,
    "R_5Y": 2.96
  },
  {
    "date": "09/20/18",
    "R_2Y": 2.81,
    "R_5Y": 2.96
  },
  {
    "date": "09/21/18",
    "R_2Y": 2.81,
    "R_5Y": 2.95
  },
  {
    "date": "09/24/18",
    "R_2Y": 2.83,
    "R_5Y": 2.96
  },
  {
    "date": "09/25/18",
    "R_2Y": 2.83,
    "R_5Y": 2.99
  },
  {
    "date": "09/26/18",
    "R_2Y": 2.83,
    "R_5Y": 2.96
  },
  {
    "date": "09/27/18",
    "R_2Y": 2.83,
    "R_5Y": 2.96
  },
  {
    "date": "09/28/18",
    "R_2Y": 2.81,
    "R_5Y": 2.94
  },
  {
    "date": "10/01/18",
    "R_2Y": 2.82,
    "R_5Y": 2.96
  },
  {
    "date": "10/02/18",
    "R_2Y": 2.82,
    "R_5Y": 2.94
  },
  {
    "date": "10/03/18",
    "R_2Y": 2.85,
    "R_5Y": 3.02
  },
  {
    "date": "10/04/18",
    "R_2Y": 2.87,
    "R_5Y": 3.05
  },
  {
    "date": "10/05/18",
    "R_2Y": 2.88,
    "R_5Y": 3.07
  },
  {
    "date": "10/09/18",
    "R_2Y": 2.88,
    "R_5Y": 3.05
  },
  {
    "date": "10/10/18",
    "R_2Y": 2.88,
    "R_5Y": 3.05
  },
  {
    "date": "10/11/18",
    "R_2Y": 2.85,
    "R_5Y": 3
  },
  {
    "date": "10/12/18",
    "R_2Y": 2.85,
    "R_5Y": 3
  },
  {
    "date": "10/15/18",
    "R_2Y": 2.85,
    "R_5Y": 3.01
  },
  {
    "date": "10/16/18",
    "R_2Y": 2.87,
    "R_5Y": 3.02
  },
  {
    "date": "10/17/18",
    "R_2Y": 2.89,
    "R_5Y": 3.04
  },
  {
    "date": "10/18/18",
    "R_2Y": 2.87,
    "R_5Y": 3.03
  },
  {
    "date": "10/19/18",
    "R_2Y": 2.92,
    "R_5Y": 3.05
  },
  {
    "date": "10/22/18",
    "R_2Y": 2.92,
    "R_5Y": 3.05
  },
  {
    "date": "10/23/18",
    "R_2Y": 2.89,
    "R_5Y": 3.01
  },
  {
    "date": "10/24/18",
    "R_2Y": 2.84,
    "R_5Y": 2.94
  },
  {
    "date": "10/25/18",
    "R_2Y": 2.86,
    "R_5Y": 2.98
  },
  {
    "date": "10/26/18",
    "R_2Y": 2.81,
    "R_5Y": 2.91
  },
  {
    "date": "10/29/18",
    "R_2Y": 2.81,
    "R_5Y": 2.91
  },
  {
    "date": "10/30/18",
    "R_2Y": 2.84,
    "R_5Y": 2.94
  },
  {
    "date": "10/31/18",
    "R_2Y": 2.87,
    "R_5Y": 2.98
  },
  {
    "date": "11/01/18",
    "R_2Y": 2.84,
    "R_5Y": 2.96
  },
  {
    "date": "11/02/18",
    "R_2Y": 2.91,
    "R_5Y": 3.04
  },
  {
    "date": "11/05/18",
    "R_2Y": 2.91,
    "R_5Y": 3.03
  },
  {
    "date": "11/06/18",
    "R_2Y": 2.93,
    "R_5Y": 3.05
  },
  {
    "date": "11/07/18",
    "R_2Y": 2.96,
    "R_5Y": 3.07
  },
  {
    "date": "11/08/18",
    "R_2Y": 2.98,
    "R_5Y": 3.09
  },
  {
    "date": "11/09/18",
    "R_2Y": 2.94,
    "R_5Y": 3.05
  },
  {
    "date": "11/13/18",
    "R_2Y": 2.89,
    "R_5Y": 2.99
  },
  {
    "date": "11/14/18",
    "R_2Y": 2.86,
    "R_5Y": 2.95
  },
  {
    "date": "11/15/18",
    "R_2Y": 2.86,
    "R_5Y": 2.94
  },
  {
    "date": "11/16/18",
    "R_2Y": 2.81,
    "R_5Y": 2.9
  },
  {
    "date": "11/19/18",
    "R_2Y": 2.79,
    "R_5Y": 2.87
  },
  {
    "date": "11/20/18",
    "R_2Y": 2.79,
    "R_5Y": 2.88
  },
  {
    "date": "11/21/18",
    "R_2Y": 2.81,
    "R_5Y": 2.89
  },
  {
    "date": "11/23/18",
    "R_2Y": 2.81,
    "R_5Y": 2.88
  },
  {
    "date": "11/26/18",
    "R_2Y": 2.84,
    "R_5Y": 2.9
  },
  {
    "date": "11/27/18",
    "R_2Y": 2.83,
    "R_5Y": 2.89
  },
  {
    "date": "11/28/18",
    "R_2Y": 2.81,
    "R_5Y": 2.87
  },
  {
    "date": "11/29/18",
    "R_2Y": 2.81,
    "R_5Y": 2.85
  },
  {
    "date": "11/30/18",
    "R_2Y": 2.8,
    "R_5Y": 2.84
  },
  {
    "date": "12/03/18",
    "R_2Y": 2.83,
    "R_5Y": 2.83
  },
  {
    "date": "12/04/18",
    "R_2Y": 2.8,
    "R_5Y": 2.79
  },
  {
    "date": "12/06/18",
    "R_2Y": 2.75,
    "R_5Y": 2.75
  },
  {
    "date": "12/07/18",
    "R_2Y": 2.72,
    "R_5Y": 2.7
  },
  {
    "date": "12/10/18",
    "R_2Y": 2.72,
    "R_5Y": 2.71
  },
  {
    "date": "12/11/18",
    "R_2Y": 2.78,
    "R_5Y": 2.75
  },
  {
    "date": "12/12/18",
    "R_2Y": 2.77,
    "R_5Y": 2.77
  },
  {
    "date": "12/13/18",
    "R_2Y": 2.75,
    "R_5Y": 2.75
  },
  {
    "date": "12/14/18",
    "R_2Y": 2.73,
    "R_5Y": 2.73
  },
  {
    "date": "12/17/18",
    "R_2Y": 2.7,
    "R_5Y": 2.69
  },
  {
    "date": "12/18/18",
    "R_2Y": 2.65,
    "R_5Y": 2.65
  },
  {
    "date": "12/19/18",
    "R_2Y": 2.63,
    "R_5Y": 2.62
  },
  {
    "date": "12/20/18",
    "R_2Y": 2.67,
    "R_5Y": 2.65
  },
  {
    "date": "12/21/18",
    "R_2Y": 2.63,
    "R_5Y": 2.64
  },
  {
    "date": "12/24/18",
    "R_2Y": 2.55,
    "R_5Y": 2.58
  }
]

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