from the first pump in 2012 to its high was 9575%, from 2016 halvening the high was 2918%. divide those percents you get 3.24. so lets divide 2918/3.24 and you get 900%. bitcoin halvening is may 11th and im going to estimate the price will be in the 7000-8200 range. 900% from 7500 is in the 78,000 range. yes im that bored