The derivatives market is going through a quiet but meaningful reshaping. Onchain perpetual futures platforms now account for roughly 14.9% of total perp trading volume, a share that has climbed steadily over the past 18 months as centralized exchange activity softens.
CEX volumes hit a rough patch
Combined trading volumes across major centralized exchanges fell to $4.41 trillion in May 2026, the lowest figure recorded since September 2024. Spot markets on CEXs hit 25-month lows in April 2026, with derivatives activity following a similar trajectory across multiple months.
Onchain platforms are not immune to this dynamic, but their volume has declined at a slower rate. That relative resilience is what pushed the market share figure from low single digits to nearly 15% over roughly an 18-month window.
Hyperliquid leads, but competition is building
Hyperliquid remains the dominant force in onchain perps by a wide margin. The platform has reported 30-day trading volumes ranging between $180B and $245B, and at its peak commanded more than 70% of total onchain perp volume.
That dominance is starting to attract challengers. Platforms like Aster and Lighter have emerged as credible competitors, carving out meaningful portions of weekly onchain volume. Aster, for instance, reached approximately 14.9% of weekly onchain trading volumes in a snapshot from September 2025.
What this market share shift actually signals
Data aggregation from DefiLlama and analysis from Pantera Capital have both tracked this shift, lending institutional credibility to what might otherwise be dismissed as a bull market quirk.
The custody question is also part of the story. Non-custodial trading means users retain control of their funds throughout the lifecycle of a trade, which became a more salient concern after several high-profile CEX failures in previous market cycles.