{
  "updated": "2026-04-19",
  "label": "纳斯达克100 年内最大回撤 vs 全年涨幅（1986+）",
  "source": "ndx_daily.json (^NDX 日频)",
  "ticker": "^NDX",
  "summary": {
    "year_range": "1985-2026",
    "n_years": 42,
    "avg_dd": -0.1951,
    "avg_tr": 0.1797,
    "positive_years": 35,
    "positive_years_pct": 0.833,
    "deepest_dd": {
      "year": 2001,
      "dd": -0.5872,
      "tr": -0.3265,
      "trough_date": "2001-09-21",
      "year_end_close": 1577.05,
      "year_end_date": "2001-12-31",
      "ongoing": false,
      "ath": 0
    }
  },
  "annual": [
    {
      "year": 1985,
      "dd": -0.0444,
      "tr": 0.1797,
      "trough_date": "1985-10-08",
      "year_end_close": 132.29,
      "year_end_date": "1985-12-31",
      "ongoing": false,
      "ath": 28
    },
    {
      "year": 1986,
      "dd": -0.1797,
      "tr": 0.0689,
      "trough_date": "1986-09-15",
      "year_end_close": 141.4,
      "year_end_date": "1986-12-31",
      "ongoing": false,
      "ath": 41
    },
    {
      "year": 1987,
      "dd": -0.3993,
      "tr": 0.105,
      "trough_date": "1987-10-26",
      "year_end_close": 156.25,
      "year_end_date": "1987-12-31",
      "ongoing": false,
      "ath": 37
    },
    {
      "year": 1988,
      "dd": -0.1463,
      "tr": 0.1354,
      "trough_date": "1988-11-21",
      "year_end_close": 177.41,
      "year_end_date": "1988-12-30",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 1989,
      "dd": -0.1095,
      "tr": 0.2617,
      "trough_date": "1989-12-18",
      "year_end_close": 223.84,
      "year_end_date": "1989-12-29",
      "ongoing": false,
      "ath": 21
    },
    {
      "year": 1990,
      "dd": -0.3289,
      "tr": -0.1041,
      "trough_date": "1990-10-11",
      "year_end_close": 200.53,
      "year_end_date": "1990-12-31",
      "ongoing": false,
      "ath": 7
    },
    {
      "year": 1991,
      "dd": -0.1147,
      "tr": 0.6499,
      "trough_date": "1991-06-24",
      "year_end_close": 330.86,
      "year_end_date": "1991-12-31",
      "ongoing": false,
      "ath": 34
    },
    {
      "year": 1992,
      "dd": -0.1853,
      "tr": 0.0886,
      "trough_date": "1992-06-26",
      "year_end_close": 360.18,
      "year_end_date": "1992-12-31",
      "ongoing": false,
      "ath": 11
    },
    {
      "year": 1993,
      "dd": -0.1418,
      "tr": 0.1058,
      "trough_date": "1993-04-26",
      "year_end_close": 398.28,
      "year_end_date": "1993-12-31",
      "ongoing": false,
      "ath": 13
    },
    {
      "year": 1994,
      "dd": -0.1594,
      "tr": 0.015,
      "trough_date": "1994-06-24",
      "year_end_close": 404.27,
      "year_end_date": "1994-12-30",
      "ongoing": false,
      "ath": 9
    },
    {
      "year": 1995,
      "dd": -0.1185,
      "tr": 0.4254,
      "trough_date": "1995-12-18",
      "year_end_close": 576.23,
      "year_end_date": "1995-12-29",
      "ongoing": false,
      "ath": 48
    },
    {
      "year": 1996,
      "dd": -0.1444,
      "tr": 0.4254,
      "trough_date": "1996-07-23",
      "year_end_close": 821.36,
      "year_end_date": "1996-12-31",
      "ongoing": false,
      "ath": 38
    },
    {
      "year": 1997,
      "dd": -0.1822,
      "tr": 0.2063,
      "trough_date": "1997-12-24",
      "year_end_close": 990.83,
      "year_end_date": "1997-12-31",
      "ongoing": false,
      "ath": 28
    },
    {
      "year": 1998,
      "dd": -0.2299,
      "tr": 0.853,
      "trough_date": "1998-10-08",
      "year_end_close": 1836.01,
      "year_end_date": "1998-12-31",
      "ongoing": false,
      "ath": 45
    },
    {
      "year": 1999,
      "dd": -0.1202,
      "tr": 1.0195,
      "trough_date": "1999-08-10",
      "year_end_close": 3707.83,
      "year_end_date": "1999-12-31",
      "ongoing": false,
      "ath": 61
    },
    {
      "year": 2000,
      "dd": -0.5302,
      "tr": -0.3684,
      "trough_date": "2000-12-20",
      "year_end_close": 2341.7,
      "year_end_date": "2000-12-29",
      "ongoing": false,
      "ath": 22
    },
    {
      "year": 2001,
      "dd": -0.5872,
      "tr": -0.3265,
      "trough_date": "2001-09-21",
      "year_end_close": 1577.05,
      "year_end_date": "2001-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2002,
      "dd": -0.5196,
      "tr": -0.3758,
      "trough_date": "2002-10-07",
      "year_end_close": 984.37,
      "year_end_date": "2002-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2003,
      "dd": -0.1306,
      "tr": 0.4912,
      "trough_date": "2003-02-13",
      "year_end_close": 1467.92,
      "year_end_date": "2003-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2004,
      "dd": -0.1604,
      "tr": 0.1044,
      "trough_date": "2004-08-12",
      "year_end_close": 1621.12,
      "year_end_date": "2004-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2005,
      "dd": -0.1226,
      "tr": 0.0149,
      "trough_date": "2005-04-20",
      "year_end_close": 1645.2,
      "year_end_date": "2005-12-30",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2006,
      "dd": -0.1742,
      "tr": 0.0679,
      "trough_date": "2006-07-21",
      "year_end_close": 1756.9,
      "year_end_date": "2006-12-29",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2007,
      "dd": -0.1147,
      "tr": 0.1867,
      "trough_date": "2007-11-12",
      "year_end_close": 2084.93,
      "year_end_date": "2007-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2008,
      "dd": -0.4956,
      "tr": -0.4189,
      "trough_date": "2008-11-20",
      "year_end_close": 1211.65,
      "year_end_date": "2008-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2009,
      "dd": -0.1855,
      "tr": 0.5354,
      "trough_date": "2009-03-09",
      "year_end_close": 1860.31,
      "year_end_date": "2009-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2010,
      "dd": -0.1591,
      "tr": 0.1922,
      "trough_date": "2010-07-02",
      "year_end_close": 2217.86,
      "year_end_date": "2010-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2011,
      "dd": -0.1611,
      "tr": 0.027,
      "trough_date": "2011-08-19",
      "year_end_close": 2277.83,
      "year_end_date": "2011-12-30",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2012,
      "dd": -0.1186,
      "tr": 0.1682,
      "trough_date": "2012-11-15",
      "year_end_close": 2660.93,
      "year_end_date": "2012-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2013,
      "dd": -0.0597,
      "tr": 0.3499,
      "trough_date": "2013-06-24",
      "year_end_close": 3592.0,
      "year_end_date": "2013-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2014,
      "dd": -0.0823,
      "tr": 0.1794,
      "trough_date": "2014-10-16",
      "year_end_close": 4236.28,
      "year_end_date": "2014-12-31",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2015,
      "dd": -0.1418,
      "tr": 0.0843,
      "trough_date": "2015-08-25",
      "year_end_close": 4593.27,
      "year_end_date": "2015-12-31",
      "ongoing": false,
      "ath": 1
    },
    {
      "year": 2016,
      "dd": -0.1223,
      "tr": 0.0589,
      "trough_date": "2016-02-09",
      "year_end_close": 4863.62,
      "year_end_date": "2016-12-30",
      "ongoing": false,
      "ath": 17
    },
    {
      "year": 2017,
      "dd": -0.049,
      "tr": 0.3152,
      "trough_date": "2017-07-03",
      "year_end_close": 6396.42,
      "year_end_date": "2017-12-29",
      "ongoing": false,
      "ath": 76
    },
    {
      "year": 2018,
      "dd": -0.2299,
      "tr": -0.0104,
      "trough_date": "2018-12-24",
      "year_end_close": 6329.97,
      "year_end_date": "2018-12-31",
      "ongoing": false,
      "ath": 29
    },
    {
      "year": 2019,
      "dd": -0.1106,
      "tr": 0.3796,
      "trough_date": "2019-06-03",
      "year_end_close": 8733.07,
      "year_end_date": "2019-12-31",
      "ongoing": false,
      "ath": 37
    },
    {
      "year": 2020,
      "dd": -0.2803,
      "tr": 0.4758,
      "trough_date": "2020-03-20",
      "year_end_close": 12888.28,
      "year_end_date": "2020-12-31",
      "ongoing": false,
      "ath": 57
    },
    {
      "year": 2021,
      "dd": -0.1093,
      "tr": 0.2663,
      "trough_date": "2021-03-08",
      "year_end_close": 16320.08,
      "year_end_date": "2021-12-31",
      "ongoing": false,
      "ath": 49
    },
    {
      "year": 2022,
      "dd": -0.3528,
      "tr": -0.3297,
      "trough_date": "2022-12-28",
      "year_end_close": 10939.76,
      "year_end_date": "2022-12-30",
      "ongoing": false,
      "ath": 0
    },
    {
      "year": 2023,
      "dd": -0.1093,
      "tr": 0.5381,
      "trough_date": "2023-10-26",
      "year_end_close": 16825.93,
      "year_end_date": "2023-12-29",
      "ongoing": false,
      "ath": 5
    },
    {
      "year": 2024,
      "dd": -0.1358,
      "tr": 0.2488,
      "trough_date": "2024-08-07",
      "year_end_close": 21012.17,
      "year_end_date": "2024-12-31",
      "ongoing": false,
      "ath": 45
    },
    {
      "year": 2025,
      "dd": -0.2293,
      "tr": 0.2017,
      "trough_date": "2025-04-08",
      "year_end_close": 25249.85,
      "year_end_date": "2025-12-31",
      "ongoing": false,
      "ath": 36
    },
    {
      "year": 2026,
      "dd": -0.118,
      "tr": 0.0563,
      "trough_date": "2026-03-30",
      "year_end_close": 26672.43,
      "year_end_date": "2026-04-17",
      "ongoing": true,
      "ath": 3
    }
  ]
}