Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
72% | 28% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
72% | 28% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1H O/U 20.5 | 72% |
| Packers vs. Steelers | 60% |
| Spread -1.5 | 57% |
| Spread -2.5 | 56% |
| 1H Spread -1.5 | 56% |
| O/U 36.5 | 55% |
| O/U 37.5 | 54% |
| O/U 39.5 | 52% |
| O/U 41.5 | 52% |
| 1H O/U 21.5 | 51% |
| 1H Spread -2.5 | 51% |
| Packers O/U 18.5 | 50% |
| Steelers O/U 19.5 | 50% |
| Packers O/U 20.5 | 50% |
| Steelers O/U 18.5 | 50% |
| 1H Moneyline | 50% |
| Packers O/U 21.5 | 50% |
| 1H O/U 22.5 | 50% |
| O/U 40.5 | 47% |
| Spread -3.5 | 46% |
| 1H Spread -3.5 | 46% |
| Spread -1.5 | 34% |
| Spread -2.5 | 33% |
Market context
The Green Bay Packers will face the Pittsburgh Steelers on 13 August at 7:00 PM ET in an NFL preseason matchup. In this prediction market, a YES share represents a bet on the Packers winning, whilst a NO share represents a bet on the Steelers winning. The current crowd-implied probability of 60% for a Packers victory reflects the aggregate view of traders; that probability translates to roughly 3-in-5 odds. Should either team win outright, the market settles accordingly. If the game is postponed, trading continues until completion. A cancellation or tie with no rescheduled game triggers a 50-50 split of all stakes.
Preseason games historically show greater volatility in prediction markets than regular-season contests, partly because rosters remain in flux and coaching staff rotate players extensively to evaluate depth. The Packers have won their last three preseason openers, whilst the Steelers have split their recent August fixtures evenly. Neither team's preseason record strongly predicts regular-season performance, but traders often weight recent injury reports and roster announcements more heavily in August matchups than in later games.
Traders should monitor injury bulletins released in the days before 13 August, particularly regarding starting quarterbacks and key defensive players. Weather conditions in the stadium—typically less relevant in preseason but occasionally cited in market discussions—may shift if the game moves venues. Any last-minute scheduling changes or roster moves announced by either franchise could trigger repricing. The settlement window closes at 23:00 UTC on 13 August, giving traders roughly sixteen hours after kickoff to settle positions.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $148K.
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 Market UK, 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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%.
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