BlockBeats News, January 21st, according to DefiLlama data, in the past 24 hours in the Perp DEX, the open interest of each platform has again slightly decreased compared to yesterday, while the trading volume has also seen a rebound. Hyperliquid ranked first with a $8.9 billion trading volume, with open interest decreasing by 6%. The current partial Perp DEX trading volumes are as follows:Hyperliquid 24-hour trading volume approximately $89.7 billion, TVL approximately $45.1 billion, open interest approximately $81.8 billion;Aster 24-hour trading volume approximately $61.0 billion, TVL approximately $12.3 billion, open interest approximately $24.6 billion;Lighter 24-hour trading volume approximately $49.2 billion, TVL approximately $10.6 billion, open interest approximately $12.2 billion;EdgeX 24-hour trading volume approximately $45.9 billion, TVL approximately $4.22 billion, open interest approximately $10.6 billion;Paradex 24-hour trading volume approximately $17.6 billion, TVL approximately $2.21 billion, open interest approximately $6.28 billion;Pacifica 24-hour trading volume approximately $8.32 billion, TVL approximately $46.21 million, open interest approximately $78.80 million.