OpenAI IPO by 2026?

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Active sub-markets

Market context

OpenAI would need to complete a public listing on a recognised exchange before 31 December 2026 for this market to pay out Yes. The crowd-implied probability is 0%, which is far below the sort of late-stage listing odds typically seen once a company has filed a registration statement or named underwriters. By comparison, pre-filing IPO markets often sit at or near zero until there is a formal S-1, exchange venue, and timetable. That means the current price reflects not just scepticism about timing, but the absence of the key signals that usually move a contract from pure speculation to live deal watch.

Recent reporting suggests there is at least a plausible path to a 2026 float. CMC Markets summarised Wall Street Journal reporting from January 2026 saying OpenAI was laying groundwork for a fourth-quarter 2026 listing, while Forge Global’s 2026 IPO calendar also flags a possible Q4 target. TECHi noted on 6 May that there was still no public S-1, ticker, or confirmed date, which is the main reason the market remains pinned at zero. Traders should watch for a formal filing, hiring of IPO banks, or exchange-preparation disclosures, as well as any change to the corporate structure or legal overhangs. Bloomberg has also reported strained relations with Apple, and ongoing Musk litigation remains a separate risk if it affects the company’s ability to proceed on schedule.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.