On October 18, 2026, rising market apprehension about a potential artificial intelligence (AI) stock bubble has led to a 5.5% decline in the Nasdaq 100, reflect
On October 18, 2026, rising market apprehension about a potential artificial intelligence (AI) stock bubble has led to a 5.5% decline in the Nasdaq 100, reflect
On October 18, 2026, rising market apprehension about a potential artificial intelligence (AI) stock bubble has led to a 5.5% decline in the Nasdaq 100, reflecting investor worries about the sustainability of AI-driven investments. The State Street SPDR S&P 500 ETF Trust (ticker: SPY), a broad market ETF, currently trades at a valuation slightly above its intrinsic value according to GuruFocus proprietary metrics.
GF Value™ verdict: SPY is approximately 9.0% overvalued, trading at $763.25 versus a GF Value™ of $700.23.
GF Score™: 87/100, indicating strong overall financial health and growth potential.
Guru 13F Activity: 15 premium gurus hold SPY, with 6 adding and 11 trimming positions recently, signaling mixed but active institutional interest.
What's Behind the News?
The recent 5.5% drop in the Nasdaq 100 index underscores growing investor caution surrounding the artificial intelligence sector. Despite the excitement around AI, concerns about an inflated stock bubble reminiscent of the dot-com era have surfaced. Notably, while the forward price-to-earnings (P/E) ratio for major tech firms hovers around 23—far below the 65 multiple seen before the 2000 bubble burst—the cyclically adjusted P/E ratio is approaching 41, raising alarms about potential financial risks tied to aggressive AI investments.
SPY, the State Street SPDR S&P 500 ETF Trust, offers investors exposure to the broad U.S. equity market, encompassing large-cap companies across multiple sectors. With a market capitalization of $805.63 billion, SPY serves as a benchmark for the overall market’s performance. Although it does not focus exclusively on tech or AI stocks, its broad diversification means it is indirectly affected by sector-wide valuation shifts and investor sentiment.
Is SPY Overvalued or Undervalued?
According to GuruFocus’ proprietary GF Value™ metric, SPY is currently trading about 9.0% above its intrinsic value. The GF Value™ of $700.23 compared to the current price of $763.25 suggests a modest overvaluation, implying a limited margin of safety for investors at present. This valuation considers historical trading multiples, past business growth, and future performance estimates, providing a comprehensive intrinsic value estimate.
Averytin News Financial update.

