Roundhill Memory ETF (DRAM) surged 5.01% in pre-market trading, reflecting heightened investor interest in the memory sector amid tightening supply conditions and soaring prices.

The rally comes as South Korean customs data revealed a significant monthly spike in memory prices, with bare DRAM chip prices rising over 20% month-over-month and approaching 500% year-over-year. NAND flash product prices surged 63.1% monthly, highlighting structural supply-demand imbalances driven by AI-related demand. Market research indicates NAND prices could accumulate increases of 70-75% within the current quarter.

Adding to supply concerns, Samsung Electronics faces a potential 18-day strike starting May 21, with negotiations having broken down. As the world's largest memory chipmaker, any production disruption at Samsung could further tighten global memory supply, benefiting competitors and memory-focused investment vehicles. The Roundhill Memory ETF has gained popularity among retail investors seeking exposure to the memory sector's strong fundamentals amid the AI boom.