**[Overview of Mainstream Perp DEXs: Overall Trading Volume Declines, EdgeX Temporarily Ranks Second]** BlockBeats News, March 26, according to DefiLlama data, the overall trading volume of mainstream Perp DEX platforms has declined, while open interest remains at high levels. Among them, Hyperliquid's trading volume fell by approximately 11%, with little change in open interest, which continues to stay elevated. The latest trading volume rankings across platforms are as follows: - **Hyperliquid**: 24-hour trading volume approximately $7.03 billion, open interest approximately $7.06 billion; - **EdgeX**: 24-hour trading volume approximately $3.03 billion, open interest approximately $1.20 billion; - **Aster**: 24-hour trading volume approximately $2.03 billion, open interest approximately $1.92 billion; - **Lighter**: 24-hour trading volume approximately $2.00 billion, open interest approximately $690 million; - **Grvt**: 24-hour trading volume approximately $1.48 billion, open interest approximately $474 million; - **Pacifica**: 24-hour trading volume approximately $344 million, open interest approximately $74.52 million.