Core Insights - In October, the total trading volume of perpetual decentralized exchanges (perp DEX) reached a record high of $1.2 trillion, doubling from the previous month, primarily driven by incentive programs and a large-scale liquidation event on October 10 [1] Group 1: Market Performance - Lighter, Aster, EdgeX, Pacifica, and ApeX all set monthly trading records, with Lighter's market share rising to 27%, becoming the market leader [1] - Hyperliquid's market share declined to 10%, down from 33%, indicating a significant contraction [1]