Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| GAIS (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| GAIS O/U 0.5 | 100% |
| GAIS O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| GAIS 2nd Half O/U 0.5 | 100% |
| GAIS 2nd Half O/U 1.5 | 100% |
| Halmstads BK (-1.5) | 0% |
| Halmstads BK (-2.5) | 0% |
| GAIS (-2.5) | 0% |
| O/U 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% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Halmstads BK O/U 0.5 | 0% |
| Halmstads BK O/U 1.5 | 0% |
| Halmstads BK O/U 2.5 | 0% |
| GAIS O/U 2.5 | 0% |
| Halmstads BK 1st Half O/U 0.5 | 0% |
| Halmstads BK 1st Half O/U 1.5 | 0% |
| GAIS 1st Half O/U 0.5 | 0% |
| GAIS 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Halmstads BK 2nd Half O/U 0.5 | 0% |
| Halmstads BK 2nd Half O/U 1.5 | 0% |
Market context
Halmstads BK meet GAIS in Allsvenskan, and Polymarket is pricing the contract at **0% YES** for the “More Markets” outcome set, so the market is treating the listed extras as effectively dead unless an official settlement condition is triggered before the window closes. On Polymarket, that price is not a view on the football itself in the abstract; it reflects the chance that the relevant match-related contingencies, paid in USDC and resolved through Polygon-based conditional tokens, end up matching the contract’s exact rules.
The historical frame does not point to a one-sided rivalry in aggregate. Across recent head-to-head datasets, the clubs have split results unevenly but not decisively: one source shows 32 meetings since 2005 with GAIS winning 11, Halmstad 10 and 11 draws, while another records 18 meetings with GAIS 8 wins, Halmstad 6 and 4 draws.[1][2] Recent form is more informative for traders reading secondary markets, with Sky Sports listing Halmstad as having lost heavily to Sirius, Häcken and Djurgården, while GAIS mixed league results with a UEFA Conference League qualifying tie against Nordsjaelland, including a 0-6 away loss shortly before this fixture.[4]
The practical catalysts are straightforward: late team-news, any scheduling changes, and the exact market definition on the exchange page. Traders should watch for official line-ups, referee or postponement updates, and whether Polymarket’s settlement source interprets the match as played in full or altered by abandonment, because “More Markets” contracts often hinge on precise event wording rather than the scoreline alone. The final clock matters here: once the settlement window expires, conditional tokens resolve strictly against the published rules, not against retrospective football context.[16]
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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%.
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