Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative 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 vs Tromsø IL is live on Polymarket with the **More Markets** contract still pricing at **0% YES**, so on-chain traders on Polygon are effectively saying they see no settled eligible side market yet, with USDC collateral and conditional tokens only paying out if the market’s specific resolution condition is triggered. For a contract with this structure, the key question is not whether the football match happens, but whether a qualifying “more markets” outcome is created and resolved within the settlement window ending 2026-08-02T15:00:00Z.
The historical read-through is awkward for absolute certainty because the clubs have a mixed head-to-head record and recent meetings have been tight. Tromsø and Aalesund drew 1-1 in Eliteserien on 25 May 2026, and another source notes the sides have produced several draws across their recent meetings, which is the kind of pattern that often keeps derivative markets uncertain rather than binary.[7][10][16] That said, Polymarket’s 0% yes price is usually about contract mechanics and resolution criteria, not the match scoreline itself, so past results matter mainly as context for whether extra markets are likely to be posted and confirmed.
For traders, the immediate catalysts are the match-official market configuration, any late line-up or fixture changes, and whether the event feed on Polymarket updates the eligible market set before settlement. Aalesunds’ own pre-match note put kick-off at 17:00 local time, while third-party listings show the same fixture time as 11:00 ET, so execution risk sits in the timing and oracle-style dependency chain rather than the football alone.[17][20] If no qualifying “more markets” contract is created or confirmed by the resolution cutoff, conditional tokens tied to a YES outcome should remain unredeemed.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Alternative UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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