List of mainstream Perp DEX: Hyperliquid and Lighter trading volumes have significantly declined, with Aster ranking first with $9 billion BlockBeats News: On November 17th, according to Defilama data, the 24-hour trading volume of mainstream Perp DEX has declined to varying degrees compared to last Friday. Hyperliquid and Lighter have both fallen by more than 35%, and Aster ranks first with a trading volume of 9.07 billion. The current trading volume of Perp DEX is as follows: Aster's 24-hour trading volume is approximately 9.07 billion US dollars, TVL is approximately 1.46 billion US dollars, and open contracts are 2.3 billion US dollars; The 24-hour trading volume of Lighter is about 7.94 billion US dollars, TVL is about 1.19 billion US dollars, and open contracts are 1.78 billion US dollars; EdgeX's 24-hour trading volume is approximately $7.44 billion, TVL is approximately $484 million, and open contracts are $722 million; The 24-hour trading volume of Hyperliquid is about 6.9 billion US dollars, TVL is about 4.547 billion US dollars, and open contracts are 7.94 billion US dollars; The 24-hour trading volume of Apex is about 3 billion US dollars, TVL is about 50.8 million US dollars, and open contracts are 35.19 million US dollars; The 24-hour trading volume of Backpack is approximately 1.81 billion US dollars, with TVL yet to be disclosed and open contracts worth 199 million US dollars; Variational's 24-hour trading volume is approximately $1 billion, TVL is approximately $69.46 million, and open contracts are $419 million; The 24-hour trading volume of Pacifica is approximately $930 million, TVL is approximately $40.65 million, and open contracts are $51.39 million.