Broadcom's soaring stock is getting cheaper. Here's the math on how that's possible

Broadcom shares surged nearly 11% to an all-time high following strong fiscal Q3 results and, critically, CEO Hock Tan's conference call commentary, which unveiled a fourth major custom AI chip customer (believed to be OpenAI) securing over $10 billion in orders and a significantly improved FY2026 AI revenue outlook. This unexpected announcement triggered substantial upward revisions in analyst earnings estimates, effectively maintaining or even lowering Broadcom's forward P/E multiple despite the stock's rally, a dynamic akin to Nvidia's past performance. Investor confidence was further bolstered by Tan's contract extension through 2030 and a robust $110 billion backlog, signaling sustained growth and long-term visibility in the AI segment.

Analysis

Broadcom's (AVGO) nearly 11% stock surge to an all-time high is primarily attributable not to its strong fiscal Q3 results, but to new, forward-looking information revealed on its earnings call. The key catalyst was CEO Hock Tan's announcement of a fourth custom AI chip (XPU) customer, reportedly OpenAI, which has already secured over $10 billion in orders. This development, a surprise to the market, fundamentally alters the company's growth trajectory and triggered significant upward revisions to fiscal 2026 earnings estimates. Consequently, despite the stock price appreciation, Broadcom's forward P/E multiple has remained largely stable, moving from 37.2x to just 37.5x on revised FY26 consensus estimates. This dynamic, reminiscent of Nvidia's 2023 performance, suggests the rally is supported by fundamentals rather than multiple expansion. Confidence is further reinforced by a robust $110 billion backlog, providing strong multi-year visibility, and CEO Hock Tan’s contract extension through 2030, signaling management's conviction in the long-term strategy.

Key Decisions for Investors

• Investors should recognize that the stock's valuation has not materially increased despite its significant price rally, as FY2026 earnings per share estimates are rising commensurately, justifying the new price level.
• Consider any near-term pullbacks driven by profit-taking as potential buying opportunities, given the stock's improved fundamental outlook and strong long-term visibility provided by the $110 billion backlog.
• Monitor the velocity of upward analyst estimate revisions for FY2026, as the current consensus likely still lags behind the full impact of the new AI customer win, suggesting further upside potential as models are updated.