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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 2.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 1.5 | 100% |
| Feyenoord Rotterdam O/U 0.5 | 100% |
| Feyenoord Rotterdam O/U 1.5 | 100% |
| Atalanta BC O/U 0.5 | 100% |
| Atalanta BC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Feyenoord Rotterdam 2nd Half O/U 0.5 | 100% |
| O/U 1.5 | 99% |
| 1st Half O/U 0.5 | 90% |
| Feyenoord Rotterdam 1st Half O/U 0.5 | 90% |
| Atalanta BC O/U 1.5 | 8% |
| Feyenoord Rotterdam (-1.5) | 1% |
| Atalanta BC 2nd Half O/U 0.5 | 1% |
| Atalanta BC (-1.5) | 0% |
| Feyenoord Rotterdam (-2.5) | 0% |
| Atalanta BC (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Feyenoord Rotterdam O/U 2.5 | 0% |
| Atalanta BC O/U 2.5 | 0% |
| Feyenoord Rotterdam 1st Half O/U 1.5 | 0% |
| Atalanta BC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Feyenoord Rotterdam 2nd Half O/U 1.5 | 0% |
| Atalanta BC 2nd Half O/U 1.5 | 0% |
Market context
Feyenoord and Atalanta are playing a pre-season friendly at De Kuip, with the market already settled or effectively in-play by the current clock, so the key comparison is between the 1% crowd-implied **YES** price and the pre-match view from traditional pricing. External models were notably more open than the market: Sports Mole put Feyenoord on 46.35%, Atalanta on 29.16% and the draw on 24.49%, while one betting-tip service also leaned towards Atalanta and quoted prices around 1.94 for an away win and 1.67 for both teams to score, which is materially less decisive than a 1% contract implies.[6][5]
The broader frame matters because this is a low-stakes friendly between two sides with recent scoring form, and those games often produce line-up rotation, half-time changes and uneven intensity rather than a clean pre-match edge. Feyenoord’s recent friendly results included 3-1 wins over Club Brugge and Charleroi, while Sky Sports listed Atalanta’s competitive spring form as mixed, with a 1-1 draw at Fiorentina and a 0-1 home defeat to Bologna among the more recent league results.[10][2] That combination of a strong home venue, experimental selections and short-preparation summer conditions is the main reason analyst models can sit well above a market that prices the named outcome at only 1%.[7][8]
For traders, the main catalysts are team-news releases, late squad rotation and any clue that either manager is treating the match as a full-strength rehearsal rather than a fitness run-out. The fixture was scheduled for 2 August at 13:00 UTC, and live match pages showed the contest underway, so any sharp move in related contracts is more likely to come from confirmed line-ups, early goals or substitute patterns than from pre-match opinion.[7][3][11] A recent live sports feed also showed Feyenoord already ahead from an Ayase Ueda penalty, which is the sort of in-play development that can quickly validate or invalidate a near-binary “more markets” contract.[3]
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, which mirrors the Polymarket order book directly.
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
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- 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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