Coming days the price might get settled around $450. The price around it looks to be stable like the days when the price of bitcoin was around $385 for a long time, which suddenly boosted to a big price increase.
That could well happen. From the Core Development road map, the SegWit was supposed to be released in April, it could be release in the near future.
That could be the reason for the big rise recently. The big block size will also more transactions to go through.