Memory chipmakers must prove they’ve escaped the boom-and-bust curse

Memory chipmakers SK Hynix, Micron Technology, and Samsung Electronics are riding a surge in AI-driven demand for high-bandwidth memory, but investors remain skeptical that the industry has broken free from its historic boom-and-bust cycle. The three dominant DRAM manufacturers have locked in multiyear contracts with AI customers, providing revenue visibility through 2028, yet risks from capacity expansion and potential margin compression threaten to repeat past downturns.

Memory chipmakers must prove they’ve escaped the boom-and-bust curse AI demand has supercharged the memory chip industry, but investors need more than hype to believe this cycle is different from every other one The three companies that dominate the world’s memory chip supply, SK Hynix, Micron Technology, and Samsung Electronics, are sitting on one of the hottest trades in semiconductors. AI has turned their products into liquid gold, with Micron’s shares soaring over 296% on the back of surging demand for AI-related memory. A history written in red ink For decades, the industry has followed a grimly predictable pattern: booms lasting roughly 4 to 7 quarters, followed by busts stretching 4 to 8 quarters. During the downturns, revenues typically crater by 25-40%, and stock prices get cut in half or worse, with declines of 50-60% being entirely normal. The mechanics are almost boringly simple. When prices rise, chipmakers rush to build new fabrication plants. By the time those fabs come online, demand has cooled, supply floods the market, and prices collapse. Rinse, repeat, for about three decades straight. What makes the current moment different, at least on paper, is consolidation. The number of significant DRAM manufacturers has shrunk from over 20 in the early 1990s to just three today. The AI argument for structural change High-bandwidth memory, the specialized DRAM that powers AI accelerators and training clusters, has become the most sought-after commodity in semiconductors. HBM capacity has been completely sold out through 2026, with tight supply conditions expected to persist into 2027 and possibly 2028. AI applications are forecast to consume nearly 20% of global DRAM wafer capacity in 2026. SK Hynix, Micron, and Samsung have all locked in multiyear contracts worth billions of dollars with major AI customers. These are binding commitments that provide revenue visibility stretching years into the future. The ghost of fabs yet to come There’s also the question of whether HBM’s premium pricing can hold as more capacity comes online. Samsung, which has lagged behind SK Hynix in HBM market share, is aggressively investing to close the gap. More competition in HBM could compress the very margins that make the current cycle look so attractive. What investors should actually watch Watch for signals in capital expenditure guidance from all three major players. If spending plans accelerate beyond what contracted demand can absorb, that’s the early warning sign that the old cycle might be reasserting itself. The long-term contract structure matters too. As long as a significant share of HBM output is locked into multi-year deals at predetermined prices, the industry has a buffer against sudden demand swings. But those contracts have expiration dates, and when they come up for renewal, pricing power could shift depending on how much new capacity is online. Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy https://cryptobriefing.com/editorial-policy/ .