Supermicro Puts Preliminary Fiscal Q1 Revenue at $18.5B–$19.5B, Above Its $14.5B–$15.5B Guidance
Super Micro Computer said on Oct. 20 that preliminary, unaudited revenue for the quarter ended Sept. 30 is estimated at $18.5B–$19.5B against guidance of $14.5B–$15.5B, primarily on demand for AI platforms. Investing.com reported the shares up 12% in premarket trading on Oct. 21. Final results come on Nov. 3.
The AI-demand number markets latched onto this week is an estimate, not a reported result. On Tuesday, October 20, Super Micro Computer said preliminary revenue for its fiscal first quarter, ended September 30, is estimated at $18.5 billion to $19.5 billion, against its guidance of $14.5 billion to $15.5 billion, "primarily due to increased demand for AI platforms." By our arithmetic, the midpoint of the new range is about $4 billion above the midpoint of the guidance.
Supermicro also estimated gross margin at 12.0% to 12.5%, against guidance of 10.4% to 10.8%, which it attributed mainly to customer and product mix. The company says the figures are unaudited, based on management's estimates and subject to revision as it closes its books, and that its auditor has performed no procedures on them. It will report results on a call on Tuesday, November 3.
Investing.com, via Yahoo Finance, reported the shares up 12% in premarket trading on Wednesday, October 21, and said the midpoint of the range is well above an analyst consensus of $14.99 billion. It noted that in July Supermicro had said fiscal fourth-quarter revenue would come in near the low end of its forecast. In Seoul, Yonhap cited Super Micro's "better-than-expected earnings" among the reasons chip stocks rallied on October 21; we track that session in our AI financing rout coverage.
Limits
- The revenue and margin figures are company estimates, not audited or reported results, and can change before November 3.
- The share move cited is premarket; the regular-session close was not available when this was published.
Sources
- Super Micro Computer: First Quarter of Fiscal Year 2027 Preliminary Business Update (October 20, 2026)
- Investing.com via Yahoo Finance: Supermicro stock surges 12% after raising revenue outlook on AI demand (October 21, 2026)
- Yonhap: Seoul stocks rebound over 3 pct on eased AI spending woes (October 21, 2026)
- Times of AI: AI financing rout coverage (updated October 21, 2026)