Decentralized exchange (DEX) trading volume set a new all‑time high in October 2025, reaching about $613–620 billion in spot DEX volume and representing roughly 20% of centralized exchange (CEX) spot volume, according to DefiLlama data and industry recaps. At the same time, decentralized perpetual futures DEXs crossed the $1 trillion monthly volume threshold for the first time, with estimates around $1.18–1.36 trillion in October 2025 depending on methodology, underscoring a broader structural shift in crypto trading toward onchain venues.

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