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 |
|---|---|
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith | 100% |
| Completed Match | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Total Sets: O/U 2.5 | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 2 O/U 8.5 | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Match O/U 21.5 | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 2 Winner | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 2 O/U 9.5 | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Match O/U 22.5 | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Match O/U 23.5 | 100% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 1 Winner | 0% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 1 O/U 8.5 | 0% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 1 O/U 9.5 | 0% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 2 O/U 10.5 | 0% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set 1 O/U 10.5 | 0% |
| US Open, Qualification ATP: Hugo Gaston vs Colton Smith Set Handicap +/-1.5 | 0% |
Market context
Based on real-money crowd forecasting, us open, qualification atp: hugo gaston vs colton smith stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Hugo Gaston and Colton Smith in the US Open, Qualification ATP, originally scheduled for August 27, 2026 at 2:00PM ET. This market w…
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
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 Best Prediction Markets. 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 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 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.
Trade US Open, Qualification ATP: Hugo Gaston vs Colton Smith on Best Prediction Markets
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