It began in March 2009, and at 5.75 years of age, it is longer than the 3.8 - year average bull market duration of the past 80 years. (etf.com)
We think 2018 will add another year to this longer - than - average bull market, but we believe we are moving to the third period of this cycle. (edwardjones.ca)
Since 1926, the average bull market has lasted nine years and delivered a total return (dividends included) of 480 %, per First Trust Portfolios LP. (investopedia.com)