Home Newsletter All-Access Portfolios Blog Insights Video Library About Schedule Strategy Call
Free Weekly Research

Get the Proflex Weekly

Join 250+ investors at Google, Amazon & Apple who start their week with Proflex market intelligence.

No spam. Unsubscribe anytime.

Earnings AI Options
12 min read

Proflex Oct 19–23 — OpEx Full Circle, Anthropic, Neocloud Scare

Proflex Market Update — Week Oct 19-23, 2026

OpEx Full Circle | Anthropic’s Moving Goalposts | Neoclouds, the MicroStrategy of AI | Earnings Decide It

"Six months ago the market asked whether AI had any revenue. This week it sold off a company growing 45% a quarter for not growing fast enough. Fear is front running the data, just as optimism did in the spring."
​— Proflex Panel


The week in 30 seconds
▸ The Nasdaq 100 fell 5.5% and gave back everything since the September options expiry. The semis lost 11.4%, their worst week since April 2025.
▸ The equal weight S&P rose 0.5%. This is still rotation inside the market, not money leaving it.
▸ Anthropic grew 45% in a quarter to $16.8 billion and was punished for slowing. GPU rents and memory prices kept rising.
▸ The debt funded AI builders fell 25%. The VIX touched 22.3 on expiry day. In each 2026 spike above 20, the Nasdaq was higher 10 days later.
▸ Nothing is settled until big tech reports. Microsoft and the Fed both land on October 28.

The S&P 500 started last week a fraction below its record. By Friday it had fallen 1.9% to 7,659, the Nasdaq 100 had dropped 5.5% to 29,188, and the semiconductor index had lost 11.4%. Friday did the most damage: the monthly options expiry met a market carrying record leverage, and the VIX jumped 21% in one session to close at 19.99, its highest close since July 29.

Underneath, the story was the same one we have told for a month. The equal weight S&P finished the week up 0.5%. The 10 year yield fell from 5.24% to 5.10%. The selling was concentrated almost entirely in AI hardware and the companies that borrow to build it.

The question this week is not whether AI demand is real. The question is whether the market can wait two more weeks for the hyperscalers to prove it.

Frequently Asked Questions

Related Articles

Stay Informed

Get Weekly Market Intelligence

Join 250+ investors who start their week with Proflex insights. Free, no spam, unsubscribe anytime.

Trusted by professionals at Google, Amazon, Apple & Nvidia