Solana (SOL) has surpassed its all-time high, reaching over $260.Increased interest in Solana ETFs is seen as multiple companies file for ETF listings.Chicago Board Options Exchange (CBOE) has filed for Solana ETFs from VanEck, 21Shares, Canary Capital, and Bitwise.Solana's market capitalization rose to $124 billion, with a trading volume of $11.3 billion.