Current price of Bitcoin is around 30k which has been recently dump yesterday after hitting price above 31.5k, recently some good news help Bitcoin to go far above 30k but unfortunately bear are far stronger which result in dump again and again and Bitcoin retest his resistance again and again, when ever Bitcoin broke his resistance and make a support above 32k then we can expect a green ralley from Bitcoin, so it's confirmed that Bitcoin gonna hit 50k but will be take a time as ongoing things are not in favor of Bitcoin bullish,
But there is no exact time so you should avoid to sell Bitcoin as may be you wouldn't get a chance again to buy Bitcoin at cheap price... So the only best option is to hold Bitcoin as much as possible to get handsome profits.