Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Degerfors IF (-1.5) | 100% |
| Degerfors IF (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Degerfors IF O/U 0.5 | 100% |
| Degerfors IF O/U 1.5 | 100% |
| Degerfors IF O/U 2.5 | 100% |
| Degerfors IF 1st Half O/U 0.5 | 100% |
| Degerfors IF 1st Half O/U 1.5 | 100% |
| IFK Goteborg O/U 1.5 | 1% |
| Both Teams to Score in Second Half | 1% |
| 2nd Half O/U 0.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| Degerfors IF 2nd Half O/U 0.5 | 1% |
| Degerfors IF 2nd Half O/U 1.5 | 1% |
| IFK Goteborg 2nd Half O/U 0.5 | 1% |
| IFK Goteborg 2nd Half O/U 1.5 | 1% |
| IFK Goteborg (-1.5) | 0% |
| IFK Goteborg (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| IFK Goteborg O/U 0.5 | 0% |
| IFK Goteborg O/U 2.5 | 0% |
| IFK Goteborg 1st Half O/U 0.5 | 0% |
| IFK Goteborg 1st Half O/U 1.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
Market context
Degerfors IF will host IFK Göteborg in the Swedish Allsvenskan on 16 August 2026 at 08:00 ET. The match forms part of the league's regular season fixture list, with settlement occurring via USDC at the designated window close on the same day at 12:00 UTC. The 100% implied probability reflects either exceptionally high confidence in market resolution mechanics or minimal liquidity depth in the order book at present; such extremes often signal either a resolved or near-certain outcome in on-chain sports markets, though they warrant scrutiny given the four-month lead time to the event.
Historical precedent from Allsvenskan prediction markets shows that early-season fixtures typically exhibit volatile probability swings as team form emerges and injury data crystallises. Markets settling on match day itself—rather than days later—have historically experienced late funding rate spikes and whale repositioning within the final two hours before window closure, particularly when BTC or ETH macro moves coincide with European afternoon trading windows. Traders should monitor Degerfors and Göteborg's official squad announcements and any league postponement notices from the Swedish Football Association, as fixture cancellations or rescheduling would trigger settlement disputes.
Key catalysts include pre-match team news releases, typically issued 48–72 hours prior, and any macroeconomic events affecting broader crypto funding rates on the settlement day itself. Spot USDC liquidity on major exchanges remains stable, though traders should verify settlement oracle feeds against official Allsvenskan records to confirm final match status before the window closes.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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