Derivatives: Solana holds 5.8% of fees
91 Safe priority A-Across all chains, Derivatives protocols took $194.1M in fees over 30 days; Solana's share was $11.3M. Each extra 5 points of share is about $9.7M a month in user fees on Solana (arithmetic on current totals, not a forecast).
Sources: DefiLlama fees overview (all chains), DefiLlama fees overview (Solana)