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 |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| IF Elfsborg O/U 0.5 | 100% |
| IF Elfsborg 1st Half O/U 0.5 | 100% |
| Mjallby AIF (-1.5) | 0% |
| IF Elfsborg (-1.5) | 0% |
| Mjallby AIF (-2.5) | 0% |
| IF Elfsborg (-2.5) | 0% |
| O/U 1.5 | 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 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Mjallby AIF O/U 0.5 | 0% |
| Mjallby AIF O/U 1.5 | 0% |
| Mjallby AIF O/U 2.5 | 0% |
| IF Elfsborg O/U 1.5 | 0% |
| IF Elfsborg O/U 2.5 | 0% |
| Mjallby AIF 1st Half O/U 0.5 | 0% |
| Mjallby AIF 1st Half O/U 1.5 | 0% |
| IF Elfsborg 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Mjallby AIF 2nd Half O/U 0.5 | 0% |
| Mjallby AIF 2nd Half O/U 1.5 | 0% |
| IF Elfsborg 2nd Half O/U 0.5 | 0% |
| IF Elfsborg 2nd Half O/U 1.5 | 0% |
Market context
Mjällby AIF and IF Elfsborg are meeting in Allsvenskan at Strandvallen, with the listed kick-off at 15:30 UTC, and the market here is for the *extra* outcome set rather than the match result itself.[6][7] With the crowd-implied probability at 0% YES, the contract is being priced as an extreme longshot, which usually means the chain has not yet absorbed the relevant team news, or that the underlying “more markets” condition is seen as very unlikely under the current fixture setup.
Comparable meetings suggest this should be read through a low-to-mid scoring, tightly balanced lens rather than as a one-sided spot. The sides drew 1-1 in Borås in May 2026, and recent head-to-head data across several sources shows a fairly even but slightly Elfsborg-leaning history, while more recent form has been close enough to keep the matchup around parity rather than strongly directional.[2][4][10][14][16] That kind of profile matters for “more markets” contracts because even modest pre-match uncertainty around goals, cards, corners, or late lineup changes can generate a broader menu of listed derivatives than a clean favourite-versus-underdog game.
The catalysts to watch are the official line-ups, any late injury or rotation notes, and whether the exchange adds or voids specific sub-markets close to settlement; those mechanics can matter more than the football headline for a USDC-settled contract. In crypto terms, the broader BTC and ETH tape is only a secondary input, but sharp moves in spot, funding, or whale-led risk-off flows can still affect how quickly traders lean into near-zero or near-one outcomes on prediction venues; a fresh market read from a crypto data source would be most useful if there were a concurrent volatility spike, though no such source is needed to explain the current sports-driven setup.
Methodology
This page reads Mjallby AIF vs. IF Elfsborg - More Markets on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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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