Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Tromsø IL (-1.5) | 100% |
| Tromsø IL (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Aalesunds FK O/U 0.5 | 100% |
| Aalesunds FK O/U 1.5 | 100% |
| Tromsø IL O/U 0.5 | 100% |
| Tromsø IL O/U 1.5 | 100% |
| Tromsø IL O/U 2.5 | 100% |
| Aalesunds FK 1st Half O/U 0.5 | 100% |
| Tromsø IL 1st Half O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| Aalesunds FK 2nd Half O/U 0.5 | 100% |
| Tromsø IL 2nd Half O/U 0.5 | 100% |
| Tromsø IL 2nd Half O/U 1.5 | 100% |
| Aalesunds FK (-1.5) | 0% |
| Aalesunds FK (-2.5) | 0% |
| 1st Half O/U 2.5 | 0% |
| Aalesunds FK O/U 2.5 | 0% |
| Aalesunds FK 1st Half O/U 1.5 | 0% |
| Tromsø IL 1st Half O/U 1.5 | 0% |
| Aalesunds FK 2nd Half O/U 1.5 | 0% |
Market context
Aalesunds FK host Tromsø IL in Eliteserien, with the market for additional outcomes around the match carrying a crowd-implied **0% YES**, which is much lower than the sort of prices usually attached to a live top-flight fixture. By comparison, published previews still frame this as a competitive league game rather than a foregone conclusion: one model-based preview gives Tromsø a slight edge at 49%, with the draw at 27.4% and Aalesund at 23.6%, while Sports Mole leans to a 2-2 scoreline and Sportsgambler notes Aalesund have avoided defeat in their last six home matches.[14][15][20]
The historical reading is mixed rather than one-sided. Head-to-head data shows a fairly even long-run balance, with AIscore listing 12 Tromsø wins, 11 Aalesund wins and 8 draws across 31 meetings, while FootyStats records 5 Tromsø wins, 7 Aalesund wins and 5 draws in 17 matches; the more recent league meeting in May finished 1-1, which underlines how often this pairing has produced narrow margins rather than clear separation.[16][11][7] That matters because a 0% YES on a “more markets” contract can reflect thin liquidity or a very specific settlement condition, not necessarily a true zero-probability sporting outcome.
Traders should watch for team-news timing, any rotation after recent league and cup congestion, and whether sportsbook totals or Asian lines move closer to the market’s stance. The only recent club-specific match note in the available results is that the last league meeting ended 1-1, and public previews still describe both sides as capable of scoring, so any late line drift from bookmakers would be the clearest cross-platform catalyst to compare against the prediction market price.[7][15][20]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets UK, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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