Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Election Predictions UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Election Predictions UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Election Predictions UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Election Predictions UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Election Predictions UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Election Predictions UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Election Predictions UK.
Active sub-markets
| December 31, 2025 | 0% YES | 100% NO |
| June 30, 2026 | 1% YES | 99% NO |
| December 31, 2026 | 55% YES | 46% NO |
| July 31, 2026 | 2% YES | 98% NO |
| September 30, 2026 | 14% YES | 86% NO |
| August 31, 2026 | 5% YES | 95% NO |
Market context
OpenAI's path to public markets remains unscheduled, with the company operating as a capped-profit entity under Microsoft's substantial investment and partnership framework. The 0% crowd probability reflects the absence of any formal IPO timeline or regulatory filing, alongside structural complexities inherent to OpenAI's hybrid governance model. The firm has raised capital at valuations exceeding $80 billion in secondary markets, yet founder Sam Altman has made no public commitment to a listing date, and the company continues to operate profitably without equity market pressure.
Historical precedent suggests lengthy delays between private valuations and public debuts in enterprise software. Stripe, Canva, and Databricks have all deferred IPO plans despite multi-billion-dollar private valuations, citing operational maturity and market conditions as determining factors. OpenAI's reliance on Microsoft's infrastructure and revenue-sharing arrangements differs materially from typical pre-IPO structures, potentially extending any transition period. The company's regulatory exposure—particularly around model safety standards and potential future licensing requirements—adds uncertainty that public markets would need to price.
Traders should monitor three specific catalysts through end-2026: formal SEC filings or regulatory announcements regarding OpenAI's corporate restructuring, any material shift in Microsoft's stake or partnership terms, and statements from Altman or the board regarding capital-raising strategy. Recent reporting from Bloomberg and Reuters has indicated no imminent IPO plans as of late 2024. The market's zero probability reflects rational scepticism given the absence of scheduled declarations and the company's current financial independence from public equity markets.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for OpenAI IPO by 2026? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- Where can I trade this market with the lowest fees?
- On Election Predictions UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Election Predictions UK triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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