Gate News reports that on March 12, according to DefiLlama data, the overall trading volume of on-chain perpetual contract DEXs continues to decline, but the open interest remains high, and leverage funds have not yet significantly exited the market. Hyperliquid’s open interest has risen again, reaching a near one-month high. The current ranking of major perpetual contract DEX trading volumes is as follows: Hyperliquid with approximately $6.48 billion in 24-hour trading volume and about $6.41 billion in open interest; Aster with approximately $2.43 billion in 24-hour trading volume and about $1.94 billion in open interest; EdgeX with approximately $1.96 billion in 24-hour trading volume and about $1.08 billion in open interest; Lighter with approximately $1.86 billion in 24-hour trading volume and about $676 million in open interest; Grvt with approximately $1.50 billion in 24-hour trading volume and about $491 million in open interest; Pacifica with approximately $454 million in 24-hour trading volume and about $67.83 million in open interest.