SanDisk Corp.'s stock price surged 5.22% during Tuesday's intraday trading session, marking a significant upward movement for the storage technology company.

The sharp rise appears to be driven by the company's strategic announcement regarding long-term supply agreements and technological advancements. SanDisk has secured five long-term contracts with customers that are projected to account for over one-third of its NAND bit shipments in fiscal year 2027, with CEO David Goeckeler indicating this proportion could potentially "exceed 50%." These agreements include substantial financial safeguards, with three contracts signed in the third quarter alone representing approximately $42 billion in minimum contract revenue, featuring mechanisms like minimum revenue guarantees and customer-posted collateral.

Further contributing to investor optimism is SanDisk's progress in High Bandwidth Flash (HBF) development, with the company actively establishing a prototype production line ecosystem targeting a launch in the second half of the year. The company also recently participated in a $2.5 billion private placement in Nanya Technology, securing priority DRAM supply rights as part of its strategic expansion.