According to the source, Aster recorded $10.6B in 24-hour perpetual DEX trading volume, followed by Lighter at $10.1B and Hyperliquid at $8B, ranking them first, second, and third for the referenced window, source: X post dated Oct 21, 2025. The source specifies a 24-hour period and presents a venue-level leaderboard for perp DEX volumes, source: X post dated Oct 21, 2025. The source post does not provide asset-level breakdowns or methodology, indicating these are headline venue totals for that day, source: X post dated Oct 21, 2025.