Anthropic's selection of Nasdaq for its planned IPO drives the overwhelming 96% market-implied odds, backed by multiple September 2026 reports from Bloomberg and Business Insider citing people familiar with the matter. The AI lab behind the Claude large language model has positioned itself alongside recent tech debuts like SpaceX on the exchange, enabling potential Nasdaq-100 inclusion shortly after listing while aligning with its heavy reliance on cloud infrastructure from partners like Amazon and Google. Recent prospectus details show surging revenue and compute costs typical of frontier AI development, reinforcing trader confidence in a tech-native venue. A shift to NYSE or another exchange remains possible only if undisclosed regulatory or strategic factors emerge before the November marketing window.