A overview of major Perp DEXs: Trading volume generally increased on most platforms, but Lighter's trading volume declined instead of increasing due to lower expectations for its token launch this year.

According to Mars Finance, on December 18th, data from DefiLlama showed that trading volume on most mainstream Perp DEXs increased in the past 24 hours. However, Lighter's CEO's ambiguous statements lowered market expectations for its token launch this year, resulting in a decrease in its trading volume, placing it third. Hyperliquid rebounded to the top spot. Meanwhile, TVL (Total Value Limit) saw limited changes on most platforms, with some platforms experiencing a decline in open interest compared to the previous day. Hyperliquid's 24-hour trading volume was approximately $7.91 billion, TVL was approximately $4.16 billion, and open interest was $6.67 billion; Aster's 24-hour trading volume was approximately $7.63 billion, TVL was approximately $1.3 billion, and open interest was $2.41 billion; Lighter's 24-hour trading volume was approximately $7.32 billion, TVL was approximately $1.46 billion, and open interest was $1.65 billion; EdgeX's 24-hour trading volume was approximately $4.9 billion, TVL was approximately $386 million, and open interest was $748 million; ApeX's 24-hour trading volume was approximately $2.44 billion, TVL was approximately $46.15 million, and open interest was $140 million; Backpack's 24-hour trading volume was approximately $1.38 billion, TVL was not disclosed, and open interest was $198 million; Variational's 24-hour trading volume was approximately $1.02 billion. The total trading volume was $631 million, with TVL of approximately $66.18 million and open interest of $331 million; Pacifica's 24-hour trading volume was approximately $631 million, with TVL of approximately $41.46 million and open interest of $56.96 million.