**[Overview of Mainstream Perp DEXs: Overall Trading Volume Declines Across Platforms, Pacifica's Volume Drops Below $600 Million]** BlockBeats News, November 27, according to DefiLlama data, the past 24 hours have seen a slight decline in trading volume across Perp DEXs. Lighter currently ranks first, while Hyperliquid and Aster have seen a continuous increase in open interest over the past 7 days. Current trading volumes for some Perp DEXs are as follows: - **Lighter**: 24-hour trading volume approximately $8.87 billion, TVL around $1.2 billion, open interest $1.74 billion; - **Aster**: 24-hour trading volume approximately $8.48 billion, TVL around $1.35 billion, open interest $2.33 billion; - **Hyperliquid**: 24-hour trading volume approximately $7.13 billion, TVL around $4.44 billion, open interest $6.7 billion; - **EdgeX**: 24-hour trading volume approximately $4.62 billion, TVL around $431 million, open interest $817 million; - **ApeX**: 24-hour trading volume approximately $3 billion, TVL around $48.71 million, open interest $34.6 million; - **Variational**: 24-hour trading volume approximately $1.48 billion, TVL around $71.23 million, open interest $400 million; - **Backpack**: 24-hour trading volume approximately $1.32 billion, TVL not yet disclosed, open interest $200 million; - **Pacifica**: 24-hour trading volume approximately $561 million, TVL around $41.6 million, open interest $58 million.