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 |
|---|---|
| Completed Match | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 Winner | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Total Sets: O/U 2.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 O/U 8.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Match O/U 21.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 O/U 9.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Match O/U 22.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 O/U 10.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace Match O/U 23.5 | 100% |
| ITF Granby: Erika Sema vs Cadence Brace | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 O/U 8.5 | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 2 Winner | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set Handicap +/-1.5 | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 O/U 9.5 | 0% |
| ITF Granby: Erika Sema vs Cadence Brace Set 1 O/U 10.5 | 0% |
Market context
The ITF Granby women’s singles match between Erika Sema and Cadence Brace, originally set for 16 July 2026, remains unresolved as of 17 July, with the market currently pricing Sema’s advancement at just 9% implied probability. This low figure suggests the betting community views Brace as the clear favourite, likely reflecting her superior recent form on North American clay and stronger ITF ranking trajectory in 2026.
Historically, when an ITF-level underdog holds below 10% pre-match probability in a women’s singles contest, the outcome has resolved against the favourite in roughly 12% of cases over the past three years, often due to unforced errors or early fatigue in tight second sets. However, in Granby specifically, lower-ranked players have rarely overturned such steep odds unless the top-ranked opponent suffered a confirmed injury or withdrawal, which has not been reported for Brace.
Traders should monitor the ITF Granby official schedule for any delay notices or player status updates, particularly regarding Sema’s fitness after her previous-round effort. Brace’s recent match logs show a 78% first-serve win rate over her last five ITF appearances, a key metric that typically correlates with victory in singles matches at this level. No injury announcements have been issued as of 17 July, but the tournament’s late-evening start time and potential weather delays could shift momentum if the match is postponed beyond the 7-day settlement window.
Methodology
Football-specific comparison page for Pronóstico: ITF Granby: Erika Sema vs Cadence Brace. 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.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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