{"_license": "Reuse with attribution is welcome; copying the work is not. Data (/api/**.json): CC BY 4.0. Charts, share images, embeds and quotes: free to reuse when credited \"History of Market · 美股编年史 (historyofmarket.com)\" with a link. No derivative or look-alike sites, no use of the brand names, no citation without the source. Terms: https://historyofmarket.com/license/", "_attribution": "History of Market · 美股编年史 (historyofmarket.com)", "_canonical": "https://historyofmarket.com/api/ndx/annual-tr.json", "_terms": "https://historyofmarket.com/license/", "updated": "2026-09-06", "ticker": "^NDX", "source": {"name": "Yahoo Finance", "ticker": "^NDX"}, "latestYear": 2026, "latestDate": "2026-09-04", "latestIsYtd": true, "average": 18.28, "positiveYears": 33, "negativeYears": 7, "flatYears": 0, "totalYears": 40, "completeYears": 40, "withinAvgPlusMinus2": 5, "best": {"year": 1999, "value": 101.95}, "worst": {"year": 2008, "value": -41.89}, "buckets": [{"key": "lt_-40", "label": "<-40%", "min": -999, "max": -40, "years": [2008]}, {"key": "-40_-30", "label": "-40%~-30%", "min": -40, "max": -30, "years": [2000, 2001, 2002, 2022]}, {"key": "-30_-20", "label": "-30%~-20%", "min": -30, "max": -20, "years": []}, {"key": "-20_-10", "label": "-20%~-10%", "min": -20, "max": -10, "years": [1990]}, {"key": "-10_0", "label": "-10%~0%", "min": -10, "max": 0, "years": [2018]}, {"key": "0_10", "label": "0%~10%", "min": 0, "max": 10, "years": [1986, 1992, 1994, 2005, 2006, 2011, 2015, 2016]}, {"key": "10_20", "label": "10%~20%", "min": 10, "max": 20, "years": [1987, 1988, 1993, 2004, 2007, 2010, 2012, 2014, 2026]}, {"key": "20_30", "label": "20%~30%", "min": 20, "max": 30, "years": [1989, 1997, 2021, 2024, 2025]}, {"key": "30_40", "label": "30%~40%", "min": 30, "max": 40, "years": [2013, 2017, 2019]}, {"key": "40_50", "label": "40%~50%", "min": 40, "max": 50, "years": [1995, 1996, 2003, 2020]}, {"key": "gt_50", "label": ">50%", "min": 50, "max": 999, "years": [1991, 1998, 1999, 2009, 2023]}], "series": [{"year": 1986, "value": 6.89}, {"year": 1987, "value": 10.5}, {"year": 1988, "value": 13.54}, {"year": 1989, "value": 26.17}, {"year": 1990, "value": -10.41}, {"year": 1991, "value": 64.99}, {"year": 1992, "value": 8.86}, {"year": 1993, "value": 10.58}, {"year": 1994, "value": 1.5}, {"year": 1995, "value": 42.54}, {"year": 1996, "value": 42.54}, {"year": 1997, "value": 20.63}, {"year": 1998, "value": 85.3}, {"year": 1999, "value": 101.95}, {"year": 2000, "value": -36.84}, {"year": 2001, "value": -32.65}, {"year": 2002, "value": -37.58}, {"year": 2003, "value": 49.12}, {"year": 2004, "value": 10.44}, {"year": 2005, "value": 1.49}, {"year": 2006, "value": 6.79}, {"year": 2007, "value": 18.67}, {"year": 2008, "value": -41.89}, {"year": 2009, "value": 53.54}, {"year": 2010, "value": 19.22}, {"year": 2011, "value": 2.7}, {"year": 2012, "value": 16.82}, {"year": 2013, "value": 34.99}, {"year": 2014, "value": 17.94}, {"year": 2015, "value": 8.43}, {"year": 2016, "value": 5.89}, {"year": 2017, "value": 31.52}, {"year": 2018, "value": -1.04}, {"year": 2019, "value": 37.96}, {"year": 2020, "value": 47.58}, {"year": 2021, "value": 26.63}, {"year": 2022, "value": -32.97}, {"year": 2023, "value": 53.81}, {"year": 2024, "value": 24.88}, {"year": 2025, "value": 20.17}, {"year": 2026, "value": 17.01, "ytd": true}]}