Its depend on market behavior.Specially bitcoin,bitcoin is high volatile than USD. If you want profits you can choose bitcoin(after do a full analyze before buying) you can choose bitcoin. Bitcoin has higher growth rate.In 2009 bitcoin sold at 0.001 USD. But today same bitcoin sold at +10K. You save a kept a 1 USD in bank,with all the profits ect ect you now can get 10$.Ok lets say 20$. But what if you kept 1 bitcoin,its +10K. What if you invest that 1 USD on bitcoin.?