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Top Chains by DEX Volume in May

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Solana became the monthly leader with $43.9B in DEX volume, taking 24.7% of the total. Ethereum followed with $36.4B, while Base ranked third with $29.2B. BNB Chain came next with $23.0B.
Together, the top 4 chains captured 74.4% of all tracked DEX volume in May.
This shows that DEX activity remains highly concentrated around a few ecosystems with strong liquidity, active users, and mature trading infrastructure. Solana’s lead highlights its continued strength in high-frequency retail trading and memecoin-driven activity. Ethereum remains the core liquidity layer, while Base’s third-place position shows how quickly L2 ecosystems can scale when distribution, UX, and liquidity align.
The top 10 chains accounted for 90.8% of May DEX volume, leaving a long tail of ecosystems competing for a relatively small share of trading activity.