Memory chips enter supercycle amid FOMO surge

The memory chip sector is experiencing an explosive rally that has captured the attention of momentumThe empirical fact that winners keep winning over the medium term. traders and institutions alike. Micron, SanDisk, and other DRAM producers jumped sharply after weeks of underperformance, with some stocks nearly doubling from their lows. The catalyst is a dramatic repricing of earnings expectations: analysts now project margin expansion and pricing power lasting through 2027 as AI data centers compete for memory capacity. This marks a complete narrative reversal from just weeks ago when these stocks were labeled "undervalued large caps" trading at depressed forward valuations.

The move has drawn comparisons to prior semiconductor supercycles. Traders note that memory chip stocks have historically run parabolic during capacity shortages, and the current AI buildout may be creating that dynamic. Goldman Sachs noted that dealer gammaThe rate of change of delta - the option's curvature. has surged to near-record highs, a signal that options markets are now pricing in continued upside. Cerebras' IPOInitial Public Offering - a company's first public sale of stock., repriced higher to the $150-$160 range, has added fuel to the narrative that infrastructure and chip companies are set for a multi-year tailwind. Multiple social media posts celebrate the move as a "supercycle" that could drive valuations substantially higher through the end of 2026 and into 2027.

However, contrarian voices are growing louder. Skeptics note that the sector has been flooded with retail inflows and that the move from $30 to $70 on some names feels disconnected from fundamentals. The rally has attracted pump-and-dump accusations, with some traders warning of an inevitable "exhaustion gap" and panic sellingMass selling driven by fear, often at the worst possible time.. Industry insiders acknowledge that Chinese competition in lower-cost memory and potential demand cycles could undermine the supercycle thesis. Valuation concerns linger despite the newfound optimism: some analysts have flagged that SanDisk trades at elevated multiples relative to traditional chip peers like IBM and Cisco despite lower near-term earnings.

The breadth of the rally is what worries some investors. Rather than a focused move in true capacity-constrained players, the entire memory sector and even tangential names have surged. This suggests a speculative wave driven more by momentumThe empirical fact that winners keep winning over the medium term. and fear of missing out than by differentiated fundamental conviction.