Solana (SOL) surges nearly 13% in the past 24 hours on the back of ETF optimism and strong on-chain metrics.VanEck claims a Solana ETF may be launched by the end of 2025, citing the likely departure of SEC Chair Gary Gensler as a potential catalyst.DEXs on Solana recorded nearly 1/3rd of all transaction volume in November, surpassing Ethereum's market share of around 17.5%.Speculation on a potential Solana ETF and its increasing market share in decentralized exchange volume contribute to the surge in SOL price.