Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Best Prediction Markets.
Active sub-markets
| Stuttgart Open: Jiri Lehecka vs Frances Tiafoe Set 2 Winner | 100% Lehecka | 0% Tiafoe |
| Stuttgart Open: Jiri Lehecka vs Frances Tiafoe Match O/U 23.5 | 0% Over | 100% Under |
| Stuttgart Open: Jiri Lehecka vs Frances Tiafoe Set Handicap +/-1.5 | 100% Lehecka | 0% Tiafoe |
| Stuttgart Open: Jiri Lehecka vs Frances Tiafoe Set 2 O/U 9.5 | 100% Over | 0% Under |
| Stuttgart Open: Jiri Lehecka vs Frances Tiafoe Set 2 O/U 10.5 | 100% Over | 0% Under |
| Stuttgart Open: Jiri Lehecka vs Frances Tiafoe Set 2 O/U 8.5 | 100% Over | 0% Under |
Market context
Jiri Lehecka and Frances Tiafoe are scheduled to meet in the Stuttgart Open during the grass-court season in June 2026. The match carries a 100% implied probability on this platform, suggesting near-certainty of the fixture proceeding as scheduled. However, this extreme reading warrants scrutiny against broader market signals and the specific conditions governing resolution.
Lehecka has established himself as a consistent ATP competitor with notable grass-court performances, whilst Tiafoe brings unpredictable form and occasional injury concerns that have disrupted his seasonal schedules. Historical precedent from Stuttgart tournaments shows that grass-court fixtures at this venue rarely face cancellation once draw confirmation occurs, though player withdrawals within 48 hours of scheduled play do occur at roughly 3–5% frequency across comparable ATP 250 events. The 100% probability reflects confidence in fixture completion rather than a directional prediction on match outcome; sportsbooks typically price the head-to-head contest separately from match-will-happen probabilities, which usually trade 95–98% for established ATP events.
Traders should monitor official ATP communications regarding player injury updates and withdrawal deadlines, typically announced 72 hours pre-match. Stuttgart's scheduling occasionally shifts matches due to weather or court availability, though delays beyond the seven-day resolution window remain uncommon. Recent ATP injury reports and practice-session confirmations from the week of 9 June 2026 will signal genuine fixture risk. Any announcement of either player's withdrawal or a positive COVID-19 test would immediately collapse the current probability, making early-week news flow the primary catalyst for position adjustment.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 it cost to trade on Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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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