Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
37% | 63% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
37% | 63% | 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 |
|---|---|
| August 10 | 37% |
| No release by August 31 | 13% |
| August 12 | 12% |
| August 24 | 6% |
| August 25 | 5% |
| August 27 | 4% |
| August 18 | 3% |
| August 6 | 2% |
| August 7 | 2% |
| August 8 | 2% |
| August 11 | 2% |
| August 16 | 2% |
| August 26 | 2% |
| August 28 | 2% |
| August 9 | 1% |
| August 13 | 1% |
| August 14 | 1% |
| August 17 | 1% |
| August 19 | 1% |
| August 20 | 1% |
| August 21 | 1% |
| August 29 | 1% |
| August 31 | 1% |
| On or prior to August 1 | 0% |
| August 2 | 0% |
| August 3 | 0% |
| August 4 | 0% |
| August 5 | 0% |
| August 15 | 0% |
| August 22 | 0% |
| August 23 | 0% |
| August 30 | 0% |
Market context
Google has not, in the past 24-48 hours, published a clear public launch date for its next **Gemini Pro** release, and the latest visible signal remains that the flagship Pro tier has been discussed as delayed or still being tested with partners.[14][10] That keeps the market in a low-information state even though Google has recently continued shipping lighter Gemini variants, which shows the broader release pipeline is active but does not itself satisfy this market’s Pro-only شرط.[14][1]
The main comparison point is the February rollout of **Gemini 3.1 Pro**, which Google made broadly available across the Gemini app, API, Vertex AI, Gemini Enterprise, and related tools on the same day it announced the upgrade.[8] By contrast, **Gemini 3.5 Flash** reached general availability in May 2026 while the Pro variant lagged behind, a pattern that matters here because this market resolves only when a Pro-labelled model is publicly accessible, not when a family name appears in previews or adjacent releases.[1][5] Historical launches therefore suggest that once Google is ready, the public signal is usually explicit and multi-channel rather than implied.
Traders should watch Google’s release notes, developer changelogs, and blog posts for a Pro-labelled model ID or a GA promotion of an existing preview build, since those are the cleanest qualifying triggers under the rules.[4][6][8] Reuters reported on 21 July that Google had still given no timing update for Gemini 3.5 Pro and said it was being tested with partners and would be coming “soon”, which implies the decisive catalyst is still an announcement rather than a silent backend change.[14] A market move to the upside would likely need a dated post, API availability, or app rollout, whereas another lightweight-model release would leave the outcome unchanged.[1][14]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
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.
UK Frequently Asked Questions
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Next Google Gemini Pro Model released on 2026? on Prediction Today
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