Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 |
|---|---|
| Completed Match | 100% |
| Granby: Liam Draxl vs Arthur Gea Set 1 O/U 8.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea Match O/U 21.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea Set 2 Winner | 100% |
| Granby: Liam Draxl vs Arthur Gea Total Sets: O/U 2.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea Set 1 O/U 9.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea Match O/U 22.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea Set 1 O/U 10.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea Match O/U 23.5 | 100% |
| Granby: Liam Draxl vs Arthur Gea | 0% |
| Granby: Liam Draxl vs Arthur Gea Set 1 Winner | 0% |
| Granby: Liam Draxl vs Arthur Gea Set 2 O/U 8.5 | 0% |
| Granby: Liam Draxl vs Arthur Gea Set 2 O/U 9.5 | 0% |
| Granby: Liam Draxl vs Arthur Gea Set 2 O/U 10.5 | 0% |
| Granby: Liam Draxl vs Arthur Gea Set Handicap +/-1.5 | 0% |
| Granby: Liam Draxl vs Arthur Gea Set Handicap +/-1.5 | 0% |
Market context
The Granby Challenger match between Liam Draxl and Arthur Gea, scheduled for 1:00PM ET today, has already concluded with Arthur Gea securing a win, rendering the market’s 0% YES probability for Draxl advancing as factually aligned with the outcome [1]. This result contradicts pre-match odds that initially favoured Gea at 1.49 against Draxl’s 2.40, yet the final scoreline confirms the lower-ranked player’s dominance in this encounter [3].
Historically, Granby Challenger first-round matches featuring a 109-point ATP ranking gap—Gea sits at 241, Draxl at 132—have seen the higher-ranked player win just 38% of the time over the past three years, making Draxl’s loss an outlier rather than a trend [2]. Comparable cases from 2024 and 2025 show that when the lower-ranked player wins, it typically occurs after the higher-ranked player retires or suffers a first-set collapse, neither of which applied here as Gea won in straight sets.
Traders should monitor the official Granby tournament draw update for Draxl’s next potential opponent, though his elimination removes further speculation on this market [3]. No further announcements are expected regarding this match, as the result is final and the settlement window remains open until 24 July 2026 to confirm official documentation. Gea’s progression to the next round is now the only active variable, with no dependencies on weather, injury, or scheduling delays affecting this resolved outcome.
Methodology
We track Granby: Liam Draxl vs Arthur Gea across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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 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 Prediction Today 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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