[Overview of Mainstream Perp DEXs: Most Platforms' Open Interest Falls Below $1 Billion, Trading Volume Declines Again Compared to Yesterday] BlockBeats News, February 28, according to DefiLlama data, in the past 24 hours, trading volumes across mainstream Perp DEXs have declined again compared to yesterday. Except for Hyperliquid and Aster, the open interest on other platforms has fallen below $1 billion. The current ranking of major Perp DEXs by trading volume is as follows: Hyperliquid: 24-hour trading volume approximately $5.42 billion, TVL approximately $4.22 billion, open interest approximately $5.38 billion; Aster: 24-hour trading volume approximately $2.62 billion, TVL approximately $1.04 billion, open interest approximately $1.95 billion; EdgeX: 24-hour trading volume approximately $2.47 billion, TVL approximately $181 million, open interest approximately $984 million; Lighter: 24-hour trading volume approximately $2.16 billion, TVL approximately $871 million, open interest approximately $693 million; Grvt: 24-hour trading volume approximately $1.43 billion, TVL approximately $96.09 million, open interest approximately $397 million; Pacifica: 24-hour trading volume approximately $320 million, TVL approximately $36.02 million, open interest approximately $57.85 million.