Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Hammarby IF (-1.5) | 100% |
| Hammarby IF (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Hammarby IF O/U 0.5 | 100% |
| Hammarby IF O/U 1.5 | 100% |
| Hammarby IF O/U 2.5 | 100% |
| Hammarby IF 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| Hammarby IF 2nd Half O/U 0.5 | 100% |
| Hammarby IF 2nd Half O/U 1.5 | 100% |
| Degerfors IF (-1.5) | 0% |
| Degerfors IF (-2.5) | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Degerfors IF O/U 0.5 | 0% |
| Degerfors IF O/U 1.5 | 0% |
| Degerfors IF O/U 2.5 | 0% |
| Hammarby IF 1st Half O/U 1.5 | 0% |
| Degerfors IF 1st Half O/U 0.5 | 0% |
| Degerfors IF 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| Degerfors IF 2nd Half O/U 0.5 | 0% |
| Degerfors IF 2nd Half O/U 1.5 | 0% |
Market context
Hammarby IF faces Degerfors IF in an Allsvenskan fixture scheduled for 19 July at 10:30 ET, with the prediction market for “more markets” on this game showing a crowd-implied probability of 100% YES. This certainty is unusual for a match where sportsbook lines and statistical models suggest meaningful variance in outcomes.
Historical odds for this pairing show Hammarby as the clear favourite, yet not to the extent of eliminating all market uncertainty. A May 2025 encounter saw Hammarby win 1–0 with implied win probabilities of 72.25% against Degerfors at 11.76% [1]. Current models diverge sharply: one rates Hammarby’s win chance at 45% with a 45% draw probability, while another projects 63.8% for Hammarby and 11.6% for Degerfors [3][6]. The 100% YES implied probability on the prediction market thus stands in stark contrast to these varied analyst consensus figures, suggesting either a structural contract design or a mispricing relative to cross-platform odds.
Traders should monitor live odds movements and in-play statistics, particularly total goals and handicap lines, as the settlement depends on “more markets” being offered. ESPN lists open totals at 3.5 goals with Hammarby favoured by 1.5, indicating active bookmaker engagement on secondary markets [2]. Any delay in market rollout or suspension of side bets could affect settlement, though no such disruption has been reported as of the current window.
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Best Prediction Markets 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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