Woofun AI data shows that stock-based RWA perpetual contract open interest reached $1.3 billion in June, marking a 7.9-fold increase from the $166 million recorded at the start of the year. This volume accounted for 35% of total RWA perpetual OI, surpassing commodity-based contracts which held $1.2 billion. The expansion was primarily fueled by trading activity in memory sector firms including SK Hynix, Micron, and SanDisk.