Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) 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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| IK Sirius O/U 0.5 | 100% |
| IK Sirius O/U 1.5 | 100% |
| IK Sirius 1st Half O/U 0.5 | 100% |
| IK Sirius 1st Half O/U 1.5 | 100% |
| O/U 2.5 | 91% |
| IK Sirius (-1.5) | 85% |
| IK Sirius O/U 2.5 | 81% |
| 2nd Half O/U 0.5 | 71% |
| 2nd Half O/U 1.5 | 71% |
| O/U 3.5 | 67% |
| Both Teams to Score in Second Half | 62% |
| IK Sirius (-2.5) | 60% |
| 2nd Half O/U 2.5 | 58% |
| Both Teams to Score | 50% |
| Halmstads BK O/U 0.5 | 50% |
| Halmstads BK 1st Half O/U 1.5 | 50% |
| Halmstads BK 2nd Half O/U 0.5 | 50% |
| Halmstads BK 2nd Half O/U 1.5 | 50% |
| IK Sirius 2nd Half O/U 0.5 | 50% |
| IK Sirius 2nd Half O/U 1.5 | 50% |
| O/U 4.5 | 40% |
| 1st Half O/U 2.5 | 33% |
| O/U 5.5 | 20% |
| Halmstads BK O/U 1.5 | 14% |
| Both Teams to Score in First Half | 10% |
| Halmstads BK 1st Half O/U 0.5 | 10% |
| Halmstads BK O/U 2.5 | 3% |
| Halmstads BK (-1.5) | 2% |
| Halmstads BK (-2.5) | 1% |
Market context
Halmstads BK’s meeting with IK Sirius in Allsvenskan is being treated by the market as a low-probability “more markets” event, with the crowd at just 3% YES and the pricing leaning heavily towards a fairly standard away-favoured football script rather than an unusual cluster of side markets. Pre-match books have Sirius as the clear outsider-to-favourite transformation, with odds around 1.41 to 1.41 on the away side and Halmstad much longer, while goals-related lines such as both teams to score and over 2.5 are also active in the market mix.[1][3][4]
For comparable framing, this kind of market usually only moves when the game develops into a particularly volatile pattern: an early goal, a red card, or a notably open scoreline that keeps the secondary markets live for longer than expected. Historical odds snapshots from recent Halmstad-Sirius pricing show Sirius consistently favoured in the fixture, with models and bookmakers repeatedly assigning the away side the stronger win chance, which makes a 3% YES signal look like a tail outcome unless the match is unusually eventful.[4][10][15]
The main catalyst traders are leaning on is in-match state rather than any off-field declaration, poll movement or finance-style disclosure: the relevant drivers are line-ups, live scoring patterns and whether the game stays competitive enough to generate additional market action before the settlement window closes at 17:00 UTC. ESPN’s pre-match board shows both teams to score and total-goals prices already set, which suggests the market is watching for an early tempo shift rather than a scheduled announcement or external news release.[1]
Methodology
This page tracks Halmstads BK vs. IK Sirius - More Markets across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Election Predictions UK provide a 0%-fee route into the same order book.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- 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.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- 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.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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