Polka Dot is at 9th position on the coinmarketcap right now but the price has been plummetting since the Bitcoin crash. There are many new projects are launching on the Polka Starter platform and we might see a boom like ETH in the future if the development and support are going at good speed.
All crypto also been plummet after bitcoin crash, how do you expect DOT will be rise when others also got affected by bitcoin? DOT is one of best investment in crypto, the price isn't got huge dump just like other shitcoin