Meta’s current market capitalization near $1.85 trillion reflects strong recent momentum from the early September launch of its Muse AI agent, which quickly topped app charts and shifted investor focus toward monetization potential in consumer and business AI tools. This fueled a roughly 25% stock gain in September, Meta’s best month in years, despite ongoing heavy AI infrastructure spending and Reality Labs losses that continue to pressure free cash flow. Traders appear to weigh the company’s ad revenue growth and competitive AI positioning against elevated 2026 capex guidance of $130–145 billion and the upcoming Q3 earnings release on October 28, which could clarify revenue trends and AI returns. The tight clustering of implied probabilities around the $1.50–2.00 trillion range underscores uncertainty over short-term stock volatility in the final weeks of the month.