Polkadot price today is $42.95 USD with a 24-hour trading volume of $2,394,640,541 USD. We update our DOT to USD price in real-time. Polkadot is down 3.05% in the last 24 hours. The current CoinMarketCap ranking is #8, with a live market cap of $42,413,359,054 USD. It has a circulating supply of 987,579,315 DOT coins and the max.