The live Proton price today is $0.00496 USD with a 24-hour trading volume of 4,228,883 USD. We update our Proton to USD price in real-time. Proton is -0.97% in the last 24 hours. The current SoSoValue marketcap ranking is # 283, with a live market cap of $ 138,288,791 USD. It has a circulating supply of 27,880,804,605 XPR coins and a max supply of ∞ XPR coins.