Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
94% | 6% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
94% | 6% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| October 31 | 94% |
| September 30 | 90% |
| September 15 | 67% |
| August 31 | 25% |
| August 15 | 4% |
Market context
OpenAI has publicly named Astra as its next major model family, but it has not announced a release date, public access route, or final product name. The market’s 4% implied chance reflects that the only hard fact is a research disclosure, while the path to a general release still depends on OpenAI’s own launch decision and any review process it may choose to use.[1][3][10]
That low probability is consistent with how traders usually price first-reveal announcements: most such disclosures do not translate into an immediate consumer launch, especially when the company has not even confirmed whether the system will ship as Astra, GPT-6, GPT-5.7, or under some other label.[2][12][14] Comparable cases in OpenAI’s recent cadence have often involved long gaps between internal testing and broad availability, which keeps near-term odds subdued unless there is a clear product page, API listing, or app update.
The main catalyst to watch is whether OpenAI moves from the August 1 disclosure to a formal public release, particularly if reporting about a roughly 30-day federal pre-release review proves relevant in practice.[1][2] If that process is actually being used, September becomes the earliest plausible window rather than an announcement-day launch, so traders are leaning more on a *no sudden release* baseline than on any imminent rollout. The most useful signals will be an OpenAI blog post, ChatGPT or API changelog, or fresh reporting from a mainstream tech outlet confirming that Astra has entered public distribution.[1][3]
Methodology
This page tracks OpenAI’s Astra released by…? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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