The yearly returns of the NASDAQ Composite Index for every year back to 1975. The 2018 NASDAQ return was -4.36% calculated from opening and closing prices. Using a superior calculation factoring in dividend reinvestment, the NASDAQ returned -3.33% in 2018. The 2018 NASDAQ Return: Reinvest Your Dividends. The above numbers assume you bought the NASDAQ index at the open on January 2nd, 2018 and sold at the close on December 31, 2018. Get historical data for the NASDAQ Composite Total Return I (^XCMP) on Yahoo Finance. View and download daily, weekly or monthly data to help your investment decisions.