Bitcoins volume-weighted pricetag on the Bitstamp exchange rose 24.4% in the 4 weeks of February. Year-to-date, bitcoin has treasured 23.9%. An investment 12 months ago would definitely return 2.7 times ones investment
It is correct that we had a massive bull run in the last 12 months. But you are looking at a time frame which suits you.
For it to be a remarkable investment, you must look at multiple 12 month periods, including the drop 3 years ago.