This article is a summary of the closing milestones of the Nasdaq Composite, a United States stock market index. Since first opening at 100.00 on February 5, 1971, the Nasdaq Composite has increased, despite several periods of decline, most recently after the financial crisis.

The following is a list of the milestone closing levels of the Nasdaq Composite. Threshold for milestones is as follows: 10-point increments are used up to the 500-point level; 20 to 1,000; 50 to 3,000; 100 to 10,000; and 200-point increments thereafter. Bold formatting is applied to every 4 or 5 milestones, excluding peaks.

• Closing milestones of the Dow Jones Industrial Average
• Closing milestones of the S&P 500
• List of largest daily changes in the Nasdaq Composite
• Market trend
• Stock market bubble
• Stock market crash

¹This was the Nasdaq's very first close on February 5, 1971.
²This was the Nasdaq's close at the peak on January 11, 1973.
³This was the Nasdaq's close at the peak on August 27, 1987.
⁴This was the Nasdaq's close at the peak on March 10, 2000.
⁵This was the Nasdaq's close at the peak on October 31, 2007.
⁶The Nasdaq first traded above 5,100 on March 10, 2000; however, it took over 15 years for the Nasdaq to finally close above 5,100.
⁷This was the Nasdaq's all-time intraday high on March 10, 2000, which was finally broken on June 18, 2015.
⁸This was the Nasdaq's close at the peak on July 20, 2015, before the 2015-16 stock market selloff.
⁹The Nasdaq first traded above 5,400 during the session on Tuesday, November 29, 2016, but dropped below before the closing. Over the next few days, Nasdaq returned its post-election gains; however, the Nasdaq finally closed above 5,400 on Thursday, December 8, 2016.
¹⁰The Nasdaq first exceeded 5,500 intraday on Tuesday, December 27, 2016, before falling back below before closing and then retreated for the next two days, throwing away some of its recent gains. However, it took until January 6 of next year when the Nasdaq finally closed above 5,500.
¹¹Since first reaching 5,000 on March 7, 2000, the Nasdaq slowly crawled its way towards 6,000 with major setbacks over the course of 17 years before finally trading above 6,000 (intraday and closing) on April 25, 2017.
¹²The Nasdaq first hit 7,000 during the trading session on Monday, December 18, 2017, before falling back underneath the millenary milestone at closing time and then flirted with it the next day before retreating. January 2, 2018 the first trading day of 2018 was when the Nasdaq first closed above 7,000.
¹³Although the Nasdaq first reached 7,300 intraday on Tuesday, January 16, 2018, the COMP has flirted with the milestone all week and then closed above it three days later.
¹⁴The Nasdaq first reached 7,600 on Monday, March 12, 2018, before falling back below it for the close. This was repeated the next trading day before another major pullback for the year. It took until Monday, June 4, 2018 (nearly three months) for the Nasdaq to finally close above 7,600.
¹⁵The Nasdaq first topped 7,800 on Wednesday, June 20, 2018, before falling back underneath at closing time before another pullback took place. It took until July 12, 2018, to finally close above this milestone.
¹⁶After peaking on February 19, 2020, the Nasdaq Composite rapidly fell into correction later that same month and into bear market territory in the next month amid the COVID-19 pandemic.