The live Proton price today is $0.00318 USD with a 24-hour trading volume of 12,340,997 USD. We update our Proton to USD price in real-time. Proton is -13.73% in the last 24 hours. The current SoSoValue marketcap ranking is # 228, with a live market cap of $ 88,398,343 USD. It has a circulating supply of 27,798,221,183 XPR coins and a max supply of ∞ XPR coins.