You should buy bitcoin now because maybe later price will go up. Buy or trade bitxoin now.
Edit:Here is a chart.
Yes, the right time to buy bitcoin as well as other crypto coins. This is the right time to market for purchase. Think of ICOs as well. Get into more Ann threads and look for successful ICOs. List out best ICOs from sites. Choose cheapest coins to invest including best ICOs. I would better choose bitcoin, cheapest coins and successful ICOs.