OpenAI’s delayed IPO timeline to 2027, following CEO Sam Altman’s September ruling out of a 2026 listing amid AI safety priorities, anchors current trader sentiment for its eventual valuation. The March $852 billion post-money round and ongoing talks for a $30 billion+ bridge round at roughly $1.4 trillion pre-money frame expectations, while September annualized revenue near $50 billion—below some earlier $70 billion signals—introduces caution on growth sustainability. With implied probabilities fragmented across buckets from under $1 trillion (22.1%) to $1.5–1.75 trillion (17.7%), market-implied odds reflect uncertainty over 2027 listing conditions, competitive AI sector multiples, and potential revisions to revenue run rates or private valuation benchmarks before resolution.