S&P Upgrades Sandisk's Rating To BBB, AI Memory Demand Pushes Free Cash Flow Past $23 Billion!

S&P Global on Monday upgraded SanDisk's credit rating from "BB+" to "BBB," citing a sharp rise in demand for AI-driven memory chips and the company's robust zero-debt balance sheet. The rating agency maintains a stable outlook for the NAND flash manufacturer, emphasizing its strong cash generation capabilities and ample financial buffer space sufficient to address potential industry downside risks.

This rating upgrade stems from a period of rapid growth experienced by SanDisk amid supply-demand imbalances in the global flash memory market. Driven by exponential growth in demand for AI data center infrastructure, the company achieved a 175% year-on-year revenue increase across various industries in fiscal year 2026.

Looking ahead, S&P expects SanDisk's growth momentum to accelerate further in fiscal year 2027, forecasting revenue to double and free cash flow to exceed $23 billion. As the company accelerates mass production of low-cost technologies and benefits from high-margin contracts with content commitments and price protection clauses signed by data center customers, operating profitability is expected to continue expanding.

Although the memory market has always been cyclical and vulnerable to sudden price corrections, SanDisk's conservative and robust balance sheet structure provides a strong risk buffer. The company has repaid all interest-bearing debt early this year and expects to maintain a net cash position even amid increased capital expenditures and excess capital returns to shareholders.

Against this backdrop, long-term supply agreements signed by data center customers provide SanDisk with clearer profit visibility compared to traditional PC and mobile markets. S&P pointed out that although competitors' new supply capacity may be gradually released around 2028, SanDisk's balance sheet remains strong enough to handle future market changes.

Market Insight:

SanDisk's stock price fell further, with cautious sentiment ahead of the earnings report combined with a new wave of selling in the memory sector pushing the price below its recent trading range. The main driver of this decline was investors' concerns over the company's earnings call on October 29. Market participants questioned whether SanDisk's impressive profit margins in its NAND flash business represent a structural sustained improvement or a cyclical high that could reverse once supply discipline loosens.