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 |
|---|---|
| Draw | 100% |
| Mjallby AIF | 0% |
| Vasteraas SK | 0% |
Market context
The upcoming Allsvenskan fixture at Strandvallen pits Mjallby AIF against Vasteras SK on Friday, 17 July 2026, with kick-off set for 19:00 CEST. Despite the match being live or imminent, the prediction market currently shows a 0% implied probability for the YES outcome, suggesting the contract may be mispriced or settled on a specific condition not met by standard match results. Historical head-to-head data reveals a pattern of open, goal-heavy encounters, with four of the last five meetings producing over 2.5 goals and both teams scoring in most instances [7]. Mjallby holds a clear historical edge at home, having won three of their last four meetings at Strandvallen without defeat, including a 2-1 victory in October 2024 [13].
Traders should monitor real-time lineups and in-play funding rates, as both sides display fragile defensive records with combined averages exceeding five goals per game in recent fixtures [11]. Vasteras SK enters with better recent form but a poor away record, while Mjallby, despite a 0% home win rate in their last five, are statistically favoured by models projecting a 48–53% win probability [2][3]. The market’s 0% YES probability contrasts sharply with bookmaker odds favouring Mjallby at 1.80 and over 2.5 goals at 1.66, indicating a potential arbitrage opportunity if the contract settles on match outcome rather than a niche condition [6][12]. Settlement relies on USDC finalisation post-match, with BTC/ETH volatility potentially influencing whale flows into related sports contracts on btc-prediction.bet.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $132K.
Methodology
This page reads Mjallby AIF vs. Vasteraas SK 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.
FAQ
- 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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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