OpenAI News & Prediction Market Coverage
Track the latest OpenAI news across prediction markets. Prediction News is following 10 active OpenAI stories across regulation, legal action, market moves, and platform developments, each clustered from original reporting and summarized for operators, traders, and regulators.
Latest News
World Cup final drives billions in bets on Kalshi and Polymarket
DealsOpenAI puts Kalshi World Cup odds in ChatGPT search results
TradingKalshi traders price OpenAI government stake below 30%
TradingOpenAI IPO odds drop on Kalshi and Polymarket on delay reports
TradingPolymarket and Kalshi traders cut odds of Anthropic and OpenAI IPOs after SpaceX listing
TradingAnthropic flips to 81% favorite over OpenAI on Polymarket IPO contract after May lead collapses
DealsPolymarket partners with Nasdaq Private Market for pre-IPO prediction contracts
TradingKalshi and Polymarket diverge 59 points on OpenAI IPO odds as both launch AI valuation markets
TradingMusk's OpenAI lawsuit odds slide 8 points after day one of testimony on Kalshi
TradingKalshi traders slash Musk's OpenAI win odds to 37% from 59% ahead of Monday ruling
Frequently Asked Questions
What are Polymarket odds for OpenAI IPO in 2026?
Polymarket traders have priced a 70% chance of an OpenAI IPO by year-end 2026, with separate contracts on valuations and timing versus Anthropic.
How do Kalshi and Polymarket differ on OpenAI IPO odds?
Kalshi has shown 88% odds of an OpenAI IPO announcement in 2026 and 85% odds it lists before Anthropic, creating gaps of up to 59 points versus Polymarket pricing on similar contracts.
What happened to Musk's OpenAI lawsuit odds on Kalshi?
Kalshi traders cut the probability of Elon Musk winning his lawsuit against OpenAI from 59% to 37% ahead of a ruling, with further drops to 53.5% after initial testimony.
Why are prediction markets trading OpenAI and Anthropic IPOs together?
Contracts treat the two AI labs' listing timelines as correlated, with recent repricings after SpaceX activity and Anthropic's IPO filing paperwork shifting head-to-head favorites.
What data sources do Polymarket and Kalshi use for OpenAI contracts?
Polymarket partnered with Nasdaq Private Market for pre-IPO resolution data on OpenAI and peers; Kalshi relies on its own sourcing for valuation and IPO timing markets.