Hey, mate, you can buy dogecoin in any reputable exchanger that can be found out there better buy on them, instead of buying here that has a risk when you trade here.You can buy on polo or bittrex that exchanger I trust for trading altcoin.for me, Dogecoin is a dead coin and it has lack of development .and if you see the supply of this coin are not really good that's very huge that's why the price is not increasing.