"Ethereum is great and very Innovative altcoin in crypto-space today and i'm very positive about the $2500 mark value in the last quarter of 2018 and its almost 5 months left and counting so we better buy and HODL now like I do, Ethereum will dominate the growth in coinmarket capitalization second only to bitcoin.
Still possible but I don't think your prediction is going to be real. In 2019 ETH may see a new All-time high with a new bull run. As you now our all time high 1400-1500 USD at the moment for ETH.