Ethereum has done very well for the past three weeks and I expect this to continue till the end of this year. I have been saying that ethereum is going to get to $1000 by 2018 and I  think it is very close to that forecast now than were it used to be last month. To me now provide the best time to buy if you are a long term investors but if you are a short term investors, I  will advise you to wait until  price pull back to $400 before buying again.