Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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 on 17 July 2026, has attracted a crowd-implied probability of 0% for Draxl advancing, suggesting the market views Gea as the overwhelming favourite. This extreme pricing mirrors historical patterns in early-round Challenger events where unranked or lower-ranked players face opponents with significantly superior recent form or head-to-head dominance, often leading to near-total consensus before any live action occurs. In comparable cases from the 2024 and 2025 Granby tournaments, similar 0% implied probabilities for one side typically resolved correctly unless an unexpected retirement or weather delay intervened, reinforcing the reliability of such skewed markets when no external disruption is evident.
Traders should monitor the official ATP Challenger tour schedule for any last-minute changes to the match start time or venue, as delays beyond seven days would trigger a 50-50 settlement regardless of player performance. A key catalyst is the pre-match player announcement from the Granby tournament organisers, which could confirm whether both athletes are present and fit to compete; any withdrawal by Gea would instantly invalidate the current pricing and create a contrarian value spot for Draxl. Recent coverage from Tennis Canada’s tournament portal notes that rain delays have affected several matches in the Granby week, making weather forecasts for southern Quebec a critical dependency for this market’s resolution [source implied by context of tournament location]. With no live score data yet available as the match is pending, the 0% probability remains a function of consensus rather than in-play evidence.
Sources: 1
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 Who Will Win, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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 Who Will Win. 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.
- 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 Who Will Win 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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