Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
93% | 7% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| October 31 | 93% |
| September 30 | 87% |
| September 15 | 49% |
| August 31 | 22% |
| August 15 | 4% |
Market context
Polymarket’s contract is trading off a 4% YES probability, which is a very low implied chance that OpenAI will make Astra publicly available by 31 October via the market’s USDC-settled, Polygon-based conditional tokens. That pricing suggests traders are still treating the August 1 disclosure as a research reveal rather than a near-certain product launch, even though the market only pays out if the named model, or a confirmed equivalent, reaches the general public by the deadline.
The closest historical analogue is how OpenAI’s internal model names have often shifted before launch: in prior cycles, a codename or teaser has not guaranteed a public release under the same label. Current reporting is also thin on timing. OpenAI’s post on 1 August confirmed Astra only in the context of a mathematics research announcement, while other coverage notes there is still no public release date, no API, and no confirmation that the model will ship as Astra rather than as GPT-5.7, GPT-6, or another branded variant.[6][2][3]
For traders, the key catalysts are official OpenAI product posts, API changelogs, ChatGPT rollout notices, and any confirmation that Astra has cleared the reported pre-release review process. A recent round of articles has pointed to a possible roughly 30-day federal review as a gating factor, but that timing remains inference rather than company guidance, so any public launch signal could come suddenly and reprice the market fast.[1][7][19]
Methodology
This page reviews OpenAI’s Astra released by…? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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