Distribution of Stock Bubbles (IMAGE) Columbia University Caption In a 13-year analysis of 3,500 stocks, the researchers found that stock bubbles were relatively long-lived, with the median bubble lasting 206 days, or about six months. Credit Courtesy of Shihao Yang Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.