Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
82% | 18% | 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 | 82% |
| IFK Goteborg O/U 0.5 | 77% |
| O/U 1.5 | 52% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| IFK Goteborg 2nd Half O/U 0.5 | 50% |
| IFK Goteborg 2nd Half O/U 1.5 | 50% |
| IF Brommapojkarna 2nd Half O/U 0.5 | 50% |
| IF Brommapojkarna 2nd Half O/U 1.5 | 50% |
| IFK Goteborg O/U 1.5 | 38% |
| IF Brommapojkarna O/U 0.5 | 32% |
| IFK Goteborg (-1.5) | 30% |
| Both Teams to Score | 24% |
| O/U 2.5 | 23% |
| IFK Goteborg O/U 2.5 | 14% |
| IFK Goteborg (-2.5) | 10% |
| O/U 3.5 | 8% |
| IF Brommapojkarna O/U 2.5 | 6% |
| IF Brommapojkarna O/U 1.5 | 5% |
| O/U 4.5 | 3% |
| IF Brommapojkarna (-2.5) | 2% |
| IF Brommapojkarna (-1.5) | 1% |
| O/U 5.5 | 1% |
| Both Teams to Score in First Half | 1% |
| 1st Half O/U 0.5 | 1% |
| 1st Half O/U 1.5 | 1% |
| 1st Half O/U 2.5 | 1% |
| IFK Goteborg 1st Half O/U 0.5 | 1% |
| IFK Goteborg 1st Half O/U 1.5 | 1% |
| IF Brommapojkarna 1st Half O/U 0.5 | 1% |
| IF Brommapojkarna 1st Half O/U 1.5 | 1% |
Market context
The Allsvenskan fixture between IFK Göteborg and IF Brommapojkarna kicks off at 17:00 local time at Gamla Ullevi, with the crowd currently pricing a specific secondary market outcome at 30% probability. This game occurs as IFK struggles with a 20% win rate over their last five matches, while Brommapojkarna’s tactical coherence and organized defensive structure favour an away result [2]. Historical head-to-head data shows IFK Göteborg has dominated the fixture with eight wins in thirteen meetings, yet recent form suggests a sharp deviation from this long-term trend [5].
Comparable cases from the 2025 season reveal how quickly historical dominance can erode when defensive frailties emerge; in their June 2025 meeting, Brommapojkarna lost 1–3 despite implied probabilities favouring them slightly [4]. Current analytics project a high-scoring affair with a 72% chance of both teams scoring and a 65% probability of over 2.5 goals, indicating that the 30% market price may underweight the likelihood of an open, volatile match [2]. Traders should note that IFK’s defensive haemorrhaging creates an environment where the visitors’ attacking output is likely to prosper, challenging the historical narrative of IFK superiority.
Key catalysts include the immediate confirmation of starting lineups and any late injury news, as form and tactical coherence are the primary drivers for this outcome [2]. With settlement tied to USDC on-chain mechanics and a deadline of 17 July 2026 at 17:00 UTC, liquidity flows will likely react to pre-match betting odds movements on major exchanges. Whale flows into the "Both Teams Score" market, currently priced at 72%, often correlate with secondary market volatility, suggesting that macro shifts in BTC or ETH could indirectly influence liquidity depth in this specific contract [2].
Methodology
This page reads IFK Goteborg vs. IF Brommapojkarna - 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.
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 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.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- 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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