Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| Atalanta BC O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Atalanta BC 2nd Half O/U 0.5 | 100% |
| Atalanta BC (-1.5) | 0% |
| Athletic Bilbao (-1.5) | 0% |
| Atalanta BC (-2.5) | 0% |
| Athletic Bilbao (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 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 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Atalanta BC O/U 1.5 | 0% |
| Atalanta BC O/U 2.5 | 0% |
| Athletic Bilbao O/U 0.5 | 0% |
| Athletic Bilbao O/U 1.5 | 0% |
| Athletic Bilbao O/U 2.5 | 0% |
| Atalanta BC 1st Half O/U 0.5 | 0% |
| Atalanta BC 1st Half O/U 1.5 | 0% |
| Athletic Bilbao 1st Half O/U 0.5 | 0% |
| Athletic Bilbao 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% |
| Atalanta BC 2nd Half O/U 1.5 | 0% |
| Athletic Bilbao 2nd Half O/U 0.5 | 0% |
| Athletic Bilbao 2nd Half O/U 1.5 | 0% |
Market context
Atalanta BC and Athletic Bilbao are scheduled to face off in a pre-season friendly on 14 August 2026 at 2:45 PM ET. This fixture sits within the broader summer preparation cycle for both Serie A and La Liga clubs, typically used to build match fitness ahead of domestic league campaigns. The 0% implied probability reflects the market's current state rather than settled conviction; such friendlies often attract sparse initial liquidity until closer to kick-off, when team sheets and injury reports crystallise.
Historical patterns in club friendly markets show that probability distributions remain flat until 48–72 hours before fixture time, when conditional order logic becomes viable. Comparable pre-season matchups between mid-table European sides have seen late-stage probability shifts driven by lineup confirmations and weather data rather than fundamental form changes. Traders employing bot-based monitoring of official team announcements—typically released via club channels or Transfermarkt—can capture edges by automating triggers tied to squad rotation patterns or injury disclosures.
Key catalysts for this market include official team-sheet releases, which Atalanta and Athletic Bilbao typically announce 24 hours pre-match, and any late withdrawals due to minor knocks common in friendly fixtures. Fixture scheduling dependencies matter: both clubs' domestic seasons commence in late August, so squad rotation intensity will signal competitive intent. Monitoring Atalanta's European qualification status and Athletic Bilbao's Copa del Rey participation provides context for whether either side prioritises this particular friendly or uses it as a secondary testing ground.
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 Kalshi Fees, which mirrors the Polymarket order book directly.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- 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.
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