Mainstream Perp DEX Overview: Hyperliquid's Open Interest Surges Over $8 Billion, Aster Leads in Trading Volume

**Jan 5 (DefiLlama) — Perpetual DEX Volume Rebounds; Hyperliquid Open Interest Hits 30-Day High** Perpetual decentralized exchange (Perp DEX) total trading volume saw a modest rebound over the past 24 hours, with Aster leading at ~$38.8 billion in 24-hour volume. Concurrently, Hyperliquid’s open interest (OI) continued climbing, rising ~15% week-over-week to a nearly 30-day high — a sign of elevated short-term risk. Key Perp DEX Metrics (24h Volume | TVL | Open Interest): - Aster: ~$38.8B | ~$12.5B | ~$26.3B - Hyperliquid: ~$34.8B | ~$42.3B | ~$81.7B - Lighter: ~$33.9B | ~$12.6B | ~$14B - EdgeX: ~$28.3B | ~$3.58B | ~$8.88B - Paradex: ~$17.8B | ~$1.72B | ~$8.16B - Variational: ~$16.1B | ~$66.18M | ~$8.4B - Pacifica: ~$6.77B | ~$43.11M | ~$77.34M *(Note: All figures from DefiLlama, 24h as of Jan 5)*