Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Brasov: Keegan Smith vs Zsombor Piros Set 1 O/U 8.5 | 100% |
| Brasov: Keegan Smith vs Zsombor Piros Set 2 O/U 8.5 | 100% |
| Brasov: Keegan Smith vs Zsombor Piros Set 1 O/U 9.5 | 100% |
| Brasov: Keegan Smith vs Zsombor Piros Set 2 O/U 9.5 | 100% |
| Brasov: Keegan Smith vs Zsombor Piros Set Handicap +/-1.5 | 100% |
| Brasov: Keegan Smith vs Zsombor Piros | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Total Sets: O/U 2.5 | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Set 1 Winner | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Set 2 Winner | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Set Handicap +/-1.5 | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Match O/U 21.5 | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Match O/U 22.5 | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Set 1 O/U 10.5 | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Set 2 O/U 10.5 | 0% |
| Brasov: Keegan Smith vs Zsombor Piros Match O/U 23.5 | 0% |
Market context
The ATP Challenger final in Brașov pits Keegan Smith against Zsombor Piros on clay, scheduled for 09:00 UTC today on the Central Court. Piros holds a clear ranking edge at ATP 169 compared to Smith’s 247, a disparity that has driven the crowd-implied probability for Smith to advance to 0% on the contract. This market resolves to Smith only if he wins the match; otherwise, it settles for Piros, with a 50-50 fallback if the contest is cancelled or delayed beyond seven days.
Historical precedents in ATP Challenger finals show that lower-ranked players rarely overturn significant ranking gaps on clay without external factors like injury or weather disruption. In the 2024 Brașov final, the higher-ranked player won 6-3 6-2, and similar patterns appear across recent European clay events where the top-200 player dominated the top-250 opponent. The 0% probability reflects this consistent trend, where Smith’s underdog status is compounded by Piros’s superior recent form and head-to-head experience.
Traders should monitor live score updates from Flashscore and TennisTemple for any early-set collapses or retirements, as these are the primary catalysts that could shift the conditional token value. Piros’s ATP ranking and recent match results, including his 4-6 6-3 6-2 win on 04 July, suggest he is the stronger candidate to advance. Watch for official Brașov tournament announcements regarding court conditions or player health, as these dependencies could trigger the 50-50 fallback clause if the match is delayed or abandoned.
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 PolyGram, 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
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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