Anthropic's reported selection of Nasdaq as the listing venue for its planned IPO drives the overwhelming 95.9% market-implied odds, following multiple credible reports in September 2026 that the AI developer behind the Claude large language models has settled on the exchange for an October or mid-November debut. This aligns with Nasdaq securing other major 2026 tech listings like SpaceX, reflecting trader consensus on the platform's appeal for high-growth AI firms seeking index eligibility and visibility in the competitive landscape against NYSE. Delays from earlier timelines and ongoing preparations, including a $15 billion credit facility and investor meetings, have not altered the exchange choice. While a late regulatory shift or strategic pivot remains theoretically possible, the volume of consistent reporting from sources close to the deal makes a change highly improbable before resolution.