Uniswap turns eight, says DEXs now hold 40% of exchange market share

The decentralized exchange marked its anniversary by pointing to how far onchain trading has come since its 2018 launch Uniswap turned eight on November 2, 2026. Its anniversary message was a single statistic: decentralized exchanges have gone from 0% of exchange market share to 40% since the protocol launched. Uniswap went live on Ethereum mainnet on November 2, 2018. Back then, decentralized exchanges barely registered against centralized giants. The company’s anniversary post put that starting point at 0%. Founder Hayden Adams pointed to the same figure. By his account, DEXs now handle 40% of total exchange volume. A quick translation for anyone outside the DeFi bubble. A centralized exchange holds your funds and matches your trades, like a bank with a trading desk. A decentralized exchange lets you swap tokens straight from your own wallet through smart contracts, with no middleman holding the keys. The 40% number deserves context. Market share figures for DEXs vary depending on which data provider you ask and how each one slices the market. ARK Invest, for example, estimated the DEX-to-CEX spot share at approximately 27.4% in Q1 2026. That is well below Uniswap’s figure, but i...