SB Energy's IPO timeline faces pressure from investor skepticism over its targeted $50 billion-plus valuation despite strong AI infrastructure tailwinds. The SoftBank-backed developer filed its S-1 on September 1, 2026, highlighting 8.8 GW of contracted data center capacity in Texas and Ohio, a $439 billion backlog tied largely to OpenAI leases, and Nvidia's $3 billion commitment, but reported widening losses and no operational facilities yet. Premarketing revealed valuation gaps, prompting a delay from a planned late-September roadshow to at least mid-to-late October while addressing SEC comments. Key swing factors include resolution of the S-1 review, broader AI spending sentiment, and execution milestones on power and compute projects; any further slippage or comparable data-center IPO pauses could extend uncertainty into year-end.