Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
| Libema Open: Daria Snigur vs Robin Montgomery Set 2 Winner | 0% Snigur | 100% Montgomery |
| Libema Open: Daria Snigur vs Robin Montgomery Set 1 O/U 9.5 | 100% Over | 0% Under |
| Libema Open: Daria Snigur vs Robin Montgomery Set 1 O/U 10.5 | 0% Over | 100% Under |
| Libema Open: Daria Snigur vs Robin Montgomery Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
| Libema Open: Daria Snigur vs Robin Montgomery Set Handicap +/-1.5 | 0% Snigur | 100% Montgomery |
| Libema Open: Daria Snigur vs Robin Montgomery Set 1 Winner | 0% Snigur | 100% Montgomery |
Market context
Daria Snigur and Robin Montgomery are scheduled to meet in the opening round of the Libema Open grass-court tournament in 's-Hertogenbosch on 12 June 2026. Snigur, the Ukrainian left-hander ranked around 80th, has shown inconsistent form on grass surfaces historically, whilst Montgomery, an American prospect in the 60–80 ranking band, has built momentum through qualifying rounds at smaller events. The 0% implied probability reflects substantial uncertainty about match completion rather than a decisive assessment of either player's capability.
Grass-court tournaments frequently produce scheduling disruptions due to weather, particularly in the Netherlands during early June. The Libema Open's compact draw means delays can cascade; a match pushed beyond the seven-day window from 12 June triggers a 50–50 resolution. Montgomery's recent ITF and WTA 125K results will signal her readiness, whilst Snigur's preparation surfaces—whether she has competed on grass in the fortnight before the event—matter considerably. Neither player commands significant seeding protection, so first-round exits or walkovers remain plausible outcomes.
Traders should monitor official tournament draws and withdrawal announcements through the WTA website and Tennis Explorer in the week preceding 12 June. Injury reports or late qualifying results affecting either player's entry status could shift settlement risk. The settlement window closes 19 June at 08:00 UTC, allowing a full week for rescheduling; matches completed after that date but before the deadline still resolve normally, but any unfinished match defaults to 50–50.
Methodology
We track Libema Open: Daria Snigur vs Robin Montgomery on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- Is this market available outside the US?
- Sport Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 it cost to trade on Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.
- 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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