Nasdaq 100 - Growing concerns about excessive AI infrastructure spending, elevated technology valuations and increasingly complex financing arrangements

 

Nasdaq 100 vs CPI

Nasdaq-100: Are Institutional Investors Preparing for a Correction?

Update | October 26, 2026

The Investment Picture

Growing concerns about excessive AI infrastructure spending, elevated technology valuations and increasingly complex financing arrangements have raised questions about the sustainability of the Nasdaq's AI-driven rally.

However, the available short-selling, options and futures positioning data suggest a cautious market, but not one uniformly positioned for a major correction.

What the Numbers Tell Us

• Magnificent Seven: Reported short interest remains relatively modest, generally below 2% of float, except Tesla at approximately 2.24%. Nvidia, Meta and Amazon experienced increases during the latest comparison period, while Apple, Microsoft and Alphabet experienced decreases.

• QQQ options: The reported put/call open-interest ratio was approximately 1.45 on October 23, suggesting substantial downside protection, although not necessarily outright bearish speculation.

• Nasdaq futures: The previously reviewed CFTC figures indicated that leveraged funds had substantially reduced their net short positions over the preceding three months, while asset managers remained net long.

• Overall Nasdaq short interest: Reported shares sold short increased approximately 2.2% between July 31 and September 30.

Where the Real Risk Lies

The greater threat may not be short sellers, but the financial commitments underpinning the AI revolution.

Microsoft, Amazon, Alphabet, Meta and other technology giants are investing enormous amounts in data centres, advanced semiconductors and power infrastructure. Increasing financing obligations, uncertain future returns and concentrated market leadership create vulnerabilities if AI monetization fails to keep pace with spending.

A disappointment in earnings, financing conditions or anticipated AI returns could trigger a broad market repricing, even without substantial short-selling activity.

Investment Verdict: CAUTIOUS — NOT YET BEARISH

The available evidence supports defensive positioning and selective profit-taking, but does not yet establish a compelling case for aggressively shorting the Nasdaq.

Investors should monitor whether rising short interest among major technology companies coincides with increasing QQQ put demand and renewed institutional futures selling.

That combination would represent a stronger warning of a potential market correction.

Data Sources and Reporting Limitations

This assessment relies on several reporting systems with different publication schedules, methodologies and limitations:

1. Nasdaq/FINRA short interest: Published twice monthly, generally approximately 8–10 business days after the reporting settlement date. The company-specific figures used in this assessment primarily reflect September 30, 2026, positions, not live October 26 positions. Short interest measures outstanding short positions, not daily short-selling volume.

2. QQQ options: The cited October 23 put/call figures represent a snapshot of options positioning. High put open interest does not necessarily indicate bearish speculation; positions may represent hedging, spreads or market-making activity. The figures were obtained from third-party analytics rather than independently reconciled exchange-level records.

3. CFTC Nasdaq-100 futures: Commitments of Traders reports normally reflect Tuesday positions and are published Friday. These reports aggregate positions by trader category and do not disclose individual institutions, trading intentions or complete exposure across stocks, ETFs and other derivatives. The previously cited October 20 figures have not been independently reconciled against the underlying CFTC dataset.

4. Percentage of float: Short-interest percentages may vary between data providers because of differences in free-float estimates, share-class treatment, corporate actions and reporting dates.

5. Historical comparisons: The July–October analysis combines observations from different dates and reporting sources. It is not a fully synchronized, independently audited 90-day dataset.

Important qualification: These indicators help assess investor positioning and market sentiment. They cannot independently establish institutional intentions, predict the timing of a correction or determine whether the Nasdaq is fundamentally overvalued.

Primary reference sources:

• Nasdaq Trader — Short Interest Reporting: https://www.nasdaqtrader.com/trader.aspx?id=ShortInterest

• Nasdaq — Short Selling Education: https://www.nasdaq.com/public-policy/resource-center/short-selling-resource-hub

• CFTC — Commitments of Traders: https://www.cftc.gov/MarketReports/CommitmentsofTraders/index.htm

Bottom line: The Nasdaq's greatest vulnerability may be the enormous expectations already reflected in AI-related valuations. The risks warrant close monitoring, but the available positioning data do not confirm that a major downturn is imminent.

Monitoring established: Weekly review of Magnificent Seven short interest, QQQ options positioning and CFTC Nasdaq-100 futures activity. Figures reflect the latest reporting periods available for the October 26 assessment, rather than live trading positions.