[Overview of Mainstream Perp DEXs: Recent Decline in Open Interest Across Platforms, Hyperliquid Down 36.2% Week-on-Week] BlockBeats News, February 4th, according to DefiLlama data, the open interest across platforms over the past seven days has shown a continuous downward trend. Hyperliquid's open interest has dropped approximately 36.2% week-on-week, while its trading volume has risen again, possibly due to market fluctuations in the past 24 hours leading to frequent adjustments in existing positions, resulting in 'passive volume growth.' The current trading volume of major Perp DEXs is as follows: Hyperliquid: 24-hour trading volume approximately $13.08 billion, TVL approximately $4.36 billion, open interest approximately $5.82 billion; Aster: 24-hour trading volume approximately $5.66 billion, TVL approximately $1.14 billion, open interest approximately $2.00 billion; EdgeX: 24-hour trading volume approximately $5.20 billion, TVL approximately $195 million, open interest approximately $869 million; Lighter: 24-hour trading volume approximately $4.46 billion, TVL approximately $974 million, open interest approximately $1.05 billion; Extended: 24-hour trading volume approximately $2.43 billion, TVL approximately $218 million, open interest approximately $309 million; Pacifica: 24-hour trading volume approximately $776 million, TVL approximately $41.93 million, open interest approximately $59.77 million.