Anthropic’s October 26 SEC S-1 filing, which explicitly names the Nasdaq Global Select Market listing under ticker ANT, has anchored trader consensus at a 96.8% implied probability for that outcome. The company’s direct selection of its name-derived symbol aligns with standard corporate practice for IPOs and eliminates most alternative ticker speculation. Robust first-half 2026 revenue growth to $16.3 billion and the planned mid-November debut further reinforce expectations that the filed symbol will proceed unchanged. While the market prices in near-certainty, low-probability shifts could still arise from last-minute regulatory objections, a withdrawal of the offering, or an unforeseen ticker conflict during exchange approval, though none appear imminent based on the prospectus details.