It's not completely going to go up 100% in december even though it's down to $20k because bitcoin is still in support at $16k today it's slightly inclined to go up to $17k but it doesn't last long and it's below that again which is clear I predict still under $20k in the month ahead.
Bitcoin increased to $17000 and decreased below it recently, it also happened two days ago, but before we entered into the new month, it increased slightly above $17000 which may be the support price now. If bitcoin is still less than $20000 this month but around $18000 or $19000 is still better, even a slight increase is what would give people confidence that will lead to bull run. Only what I am not expecting is the furtherance of bear market.
december will be a bullish month for bitcoin because we have seen the price of bitcoin holding at $ 15k and making strong support.
And there is a possibility that bitcoin will try to breakout again from $ 20k at the end of this year, yes the negative sentiment has also slowly disappeared and good news is starting to come,
don't sell cheap, buy gradually at a price of $ 14k to $ 16k is the right way.