It is possible to cross more than $20k but how long it is going to take nobody don't know because the market situation and from the news makes the piece of bitcoin more stable. It is a very good sign for bitcoin to hold them as long as possible to increase the price.
The possibility of returning to that price certainly still exists, moreover the development of bitcoin is still going on. but we don't know when it will happen because price changes are influenced by many things, we dont know what will come in the future, all we do is believe and wait..