Yes, I'll be optimistic that Bitcoin will be more profitable in the upcoming years. The factor that made it less profitable at this exact month is due to a lot of sellers cashing out all of their earnings for Christmas. In general, it is because of the holidays or season. Let's take this opportunity also to buy bitcoins because the price in the market dropped recently. There is no doubt that when the upcoming year starts, it's price will go skyrocket as the year goes. It is another ride to 20k USD