TQQQ xStock (TQQQx) is a tracker certificate issued as Solana SPL and ERC-20 tokens. TQQQx tracks the price of ProShares UltraPro QQQ (the underlying). TQQQx is designed to give eligible cryptocurrency market participants regulatory-compliant access to the ETF price of ProShares UltraPro QQQ, whilst maintaining the benefits of blockchain technology. ProShares UltraPro QQQ (TQQQ) is a leveraged exchange-traded fund designed to deliver three times the daily performance of the Nasdaq-100 Index.