Bitcoins prices in march since launch

March 2010: $0.003
March 2011: $1
March 2012: $5
March 2013: $80
March 2014: $600
March 2015: $250
March 2016: $400
March 2017: $950
March 2018: $8,500

If you invest for an year or more, there are less chances of being in loss.