Polymarket adds private markets for OpenAI, Anthropic
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- Polymarket launches private‑company prediction markets covering milestones such as valuations, IPO timing, and secondary‑market activity for firms like OpenAI and Anthropic.
- Nasdaq Private Market will be the exclusive resolution data provider, offering free public valuation data to settle Polymarket’s contracts.
- Polymarket currently lists contracts on a $1 trillion‑plus IPO for OpenAI before 2027, Anthropic reaching at least $500 billion valuation in 2026, and Anthropic out‑valuing OpenAI at any point this year.
- Kalshi also offers IPO‑related event contracts but does not provide valuation contracts and relies on multiple sources for resolution.
- Nasdaq Private Market shows Anthropic’s estimated price at $477.02 on May 5, up more than 1,500%, with a highest bid of $260.80, lowest offer $188.50 and last trade $234.00.
Why it matters: Retail traders gain a way to bet on OpenAI and Anthropic milestones without owning shares, while institutions receive a live pricing signal from Polymarket’s Nasdaq‑sourced contracts, adding a new data point to private‑market valuation.
