Valuation history

• on March 9, 2017
• $18B on February 1, 2017
• $18B on January 1, 2017
• $18B on December 1, 2016
• $18B on November 1, 2016
• $30B on September 22, 2016
• $18B on September 1, 2016
• $18B on August 1, 2016
• $18B on July 1, 2016
• $17.6B on June 1, 2016
• $17.8B on May 1, 2016
• $17.8B on April 1, 2016
• $17.8B on March 1, 2016
• $17.8B on February 1, 2016
• $25.5B on December 8, 2015
• $25.5B on November 20, 2015
• $17.3B on November 1, 2015
• $17B on October 1, 2015
• $16.9B on September 1, 2015
• $16.9B on August 1, 2015
• $25.5B on June 28, 2015
• $10B on April 16, 2014