Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) 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 |
|---|---|
| Iasi Open: Mayar Sherif vs Dalma Galfi | 100% |
| Completed Match | 100% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 1 Winner | 100% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 2 Winner | 100% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set Handicap +/-1.5 | 100% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Match O/U 21.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 2 O/U 8.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 1 O/U 8.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 2 O/U 9.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Total Sets: O/U 2.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Match O/U 22.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 1 O/U 9.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 2 O/U 10.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set Handicap +/-1.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Match O/U 23.5 | 0% |
| Iasi Open: Mayar Sherif vs Dalma Galfi Set 1 O/U 10.5 | 0% |
Market context
The Iasi Open first-round clash between Mayar Sherif and Dalma Galfi on clay in Romania has already concluded, with Sherif advancing after a straight-sets victory on 14 July 2026. The match, originally misdated in the market description as 13 July, was played at 12:30 local time on Court 1, ending 2–0 in Sherif’s favour [4][5]. This outcome resolves the prediction market to “Mayar Sherif” with certainty, aligning with the 100% YES crowd-implied probability.
Sherif’s dominance in this head-to-head is well established: she holds a 3–0 record against Galfi, including two wins on clay and a recent 2–0 victory at Roland Garros on 26 May 2026 [1][3][8]. Her 20–12 match record this season and stronger return game on slower surfaces further explain the line’s conviction [5]. Historical precedents show that when Sherif faces Galfi on clay, the Egyptian wins decisively, with no set losses in their last two clay encounters [8][9].
Traders should monitor official WTA Iasi Open results and live score confirmations to verify settlement, as the match is already completed [4]. No further announcements, injuries, or schedule changes are relevant, given the outcome is final. The sole dependency is the platform’s confirmation of Sherif’s advancement, which is already documented across multiple tennis data sources [1][3].
Methodology
Football-specific comparison page for Pronóstico: Iasi Open: Mayar Sherif vs Dalma Galfi. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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