According to DefiLlama data, on January 15th, Hyperliquid's open interest on Perp DEX climbed to $9.645 billion in the past 24 hours, reaching a near three-month high. The previous three-month high was approximately $9.658 billion, and its trading volume ranked first. The current trading volumes for some Perp DEXs are as follows: Hyperliquid: approximately $8.82 billion in 24-hour trading volume, $4.36 billion in TVL, and $9.65 billion in open interest; Aster: approximately $6.47 billion in 24-hour trading volume, $1.25 billion in TVL, and $2.79 billion in open interest; Lighter: approximately $4.75 billion in 24-hour trading volume, $1.19 billion in TVL, and $1.5 billion in open interest; EdgeX: approximately $3.87 billion in 24-hour trading volume, $416 million in TVL, and $1.21 billion in open interest; Variational: approximately $1.89 billion in 24-hour trading volume, $66.18 million in TVL, and $1.1 billion in open interest; Extended: approximately... $1.87 billion in trading volume, with TVL of approximately $191 million and open interest of approximately $295 million; Pacifica's 24-hour trading volume was approximately $948 million, with TVL of approximately $45.81 million and open interest of $88 million.