Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
97% | 3% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 97% |
| IK Sirius O/U 0.5 | 93% |
| O/U 1.5 | 89% |
| 2nd Half O/U 0.5 | 86% |
| 1st Half O/U 0.5 | 81% |
| IK Sirius 2nd Half O/U 0.5 | 77% |
| IK Sirius O/U 1.5 | 75% |
| O/U 2.5 | 71% |
| IK Sirius 1st Half O/U 0.5 | 70% |
| IF Brommapojkarna O/U 0.5 | 62% |
| 2nd Half O/U 1.5 | 61% |
| Both Teams to Score | 57% |
| IK Sirius (-1.5) | 52% |
| O/U 3.5 | 50% |
| IK Sirius O/U 2.5 | 50% |
| 1st Half O/U 1.5 | 48% |
| IK Sirius 2nd Half O/U 1.5 | 44% |
| IF Brommapojkarna 2nd Half O/U 0.5 | 43% |
| IF Brommapojkarna 1st Half O/U 0.5 | 34% |
| Both Teams to Score in Second Half | 34% |
| IK Sirius 1st Half O/U 1.5 | 33% |
| 2nd Half O/U 2.5 | 33% |
| IK Sirius (-2.5) | 31% |
| O/U 4.5 | 30% |
| IF Brommapojkarna O/U 1.5 | 26% |
| Both Teams to Score in First Half | 23% |
| 1st Half O/U 2.5 | 23% |
| O/U 5.5 | 16% |
| IF Brommapojkarna 2nd Half O/U 1.5 | 12% |
| IF Brommapojkarna 1st Half O/U 1.5 | 9% |
| IF Brommapojkarna O/U 2.5 | 8% |
| IF Brommapojkarna (-1.5) | 3% |
| IF Brommapojkarna (-2.5) | 1% |
Market context
IK Sirius host IF Brommapojkarna in Allsvenskan at Studenternas IP, with kick-off scheduled for 17:00 UTC and the crowd currently pricing a **52%** chance of YES on the “more markets” angle.[1][8][20] The market is leaning on the fact that these clubs have already produced a recent, high-variance meeting profile: Sirius won **4-2** in August 2025, but Brommapojkarna also took a **3-0** home win in April 2025, so the head-to-head has swung sharply rather than following one stable pattern.[16][9][19]
That is the right historical frame for reading a probability just above even money: the matchup has been open enough to generate goals and swings, but not so one-sided that a clear premium is obvious from prior results alone.[10][11] Sirius also enter with the cleaner overall head-to-head record across longer samples, although Brommapojkarna’s recent upset win in the spring is the more relevant comparator for a short-term market signal.[14][19]
For traders, the main catalyst is the confirmed matchday information rather than any off-pitch news flow: line-ups, late team declarations and the final pre-match market move are the live variables to watch before the 17:00 UTC start.[1][17] Sofascore and other fixture trackers have the match locked into the Allsvenskan schedule, so any shift in this market is more likely to come from team news and in-play expectation than from external announcements.[1][14]
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for IK Sirius vs. IF Brommapojkarna - More Markets plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
UK Frequently Asked Questions
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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