DEX spot volume reaches 24% of CEX trading

Decentralized exchange spot trading rose to about 24% of centralized exchange volume in July 2026, according to The Block's current DEX-to-CEX data series.

Summary

• July's DEX-to-CEX spot ratio reached about 24%, according to The Block's current data series estimate.
• DefiLlama's trailing data ranked Solana, BNB Chain and Ethereum among the largest spot ecosystems globally.
• Robinhood Chain added July activity after Uniswap deployed four protocol versions from its first day.

The reading was described as the strongest shown in the current series and continued a broader rise in onchain market share since 2024.

The Block calculates the measure by dividing monthly DEX volume by volume on a selected group of centralized exchanges. Its dashboard includes the top 30 decentralized exchanges by volume from DefiLlama. Therefore, the figure does not mean DEXs handled 24% of combined spot trading. It means DEX activity equaled roughly 24% of the covered CEX total.

The July figure followed a faster expansion that began in 2025. The ratio remained below 10% for much of 2024 before rising as traders increasingly used permissionless markets for memecoins, newly issued assets and products unavailable on large centralized platforms.

However, the reading also came during a weaker period for centralized spot trading. Talos reported that total exchange spot volume fell 28% quarter over quarter to $2.32 trillion in the second quarter of 2026. Lower CEX activity can lift the ratio even when DEX volume does not reach an absolute record.

Current DefiLlama data shows that activity remains spread across several networks. Its Aug. 2 trailing 30-day rankings listed Solana at about $49.86 billion, BNB Chain at $31.04 billion, Ethereum at $28.84 billion and Base at $22.38 billion in spot DEX volume. Robinhood Chain added another $14.48 billion over the same rolling period.

Robinhood Chain was one of July's clearest new sources of DEX activity. Uniswap Labs announced that Uniswap v2, v3, v4 and UniswapX went live on the network on July 2, one day after its public mainnet launch. The deployment supported crypto assets and Robinhood Stock Tokens through Uniswap's web app, wallet and API.

CoinDesk Data later estimated that Robinhood Chain averaged about $690 million in daily DEX and aggregator volume over a seven-day period. Activity peaked at $943.6 million on July 11, while Uniswap accounted for about 99.5% of the network's seven-day DEX volume.

The stock tokens were available in more than 120 countries but were not offered to U.S. users. Early trading also included memecoins rather than being limited to tokenized equities and other real-world assets.

As crypto.news reported, Robinhood Chain drove a sharp increase in Uniswap activity and passed $1 billion in cumulative swap volume during its first ten days. However, the role of speculative tokens makes sustained activity more important than launch-week totals.

Other ecosystems entered July with established onchain liquidity. Solana DEX volume exceeded $800 billion during the first part of 2025, while Jupiter remained a major routing layer for trades.

The claim that July produced the "highest level since tracking began in 2019" requires qualification. The Block's current chart supports the reported July reading, but older reports from the same publisher described higher figures under earlier versions of its data.

In June 2025, The Block reported that DEXs reached 25% of CEX spot volume during May. One month later, it reported a 29% ratio for June. Both historical figures are above July 2026's roughly 24% reading.

The difference may reflect historical data revisions, changes in the exchanges counted or adjustments to volume filtering. However, the public description on the current dashboard does not explain why its historical readings differ from the publisher's earlier articles.

A separate CoinGecko study used a different group of exchanges. It placed DEX spot share at 24.5% in June 2025 before the measure returned to about 13%--14% by January 2026. CoinGecko linked the earlier peak partly to Binance Alpha 2.0 routing trades through PancakeSwap.

CoinGecko's top-20 exchange coverage and The Block's current top-30-DEX methodology are not directly interchangeable. July can therefore be described safely as the highest reading in the current cited series. Calling it an uncontested market-wide record would go beyond the available methodology disclosures.

The August reading will show whether the ratio can remain near one-quarter of covered CEX volume after July's new-chain activity settles. Traders will also watch whether Robinhood Chain retains its early volume and whether Solana, BNB Chain, Ethereum and Base maintain their current pace.

Absolute volume will matter alongside market share. A rising ratio caused mainly by falling CEX activity would describe a different market structure from one driven by growing DEX liquidity, more users and deeper trading pools. Changes to protocol coverage or the exchanges included in the calculation could also revise historical readings.

No verified token-price move can be attributed solely to July's ratio. The data shows where spot trades occurred, not why individual assets moved. The next completed monthly datasets should provide a clearer test of whether July marked a durable change or a temporary peak connected to new products and network launches.

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