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 |
|---|---|
| Roehampton: Michael Geerts vs Billy Blaydes | 100% |
| Completed Match | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 2 Winner | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 1 Winner | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 2 O/U 8.5 | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 1 O/U 8.5 | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Match O/U 21.5 | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set Handicap +/-1.5 | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 2 O/U 9.5 | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 2 O/U 10.5 | 100% |
| Roehampton: Michael Geerts vs Billy Blaydes Total Sets: O/U 2.5 | 0% |
| Roehampton: Michael Geerts vs Billy Blaydes Match O/U 22.5 | 0% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 1 O/U 9.5 | 0% |
| Roehampton: Michael Geerts vs Billy Blaydes Match O/U 23.5 | 0% |
| Roehampton: Michael Geerts vs Billy Blaydes Set 1 O/U 10.5 | 0% |
| Roehampton: Michael Geerts vs Billy Blaydes Set Handicap +/-1.5 | 0% |
Market context
The scheduled tennis match between Michael Geerts and Billy Blaydes at Roehampton on 18 August 2026 carries a 100% crowd-implied probability favouring Geerts, suggesting near-certainty in market pricing. This extreme confidence warrants scrutiny, particularly given the settlement window extends to 25 August—a seven-day buffer that allows for match postponement without triggering the 50-50 tie-break clause. The current odds reflect either a significant disparity in player ranking or recent form, or potentially incomplete information about either competitor's availability at the scheduled time.
Geerts and Blaydes occupy different tiers of professional tennis, with ranking differentials typically driving such lopsided market sentiment. Recent ATP and challenger circuit results would clarify whether Geerts has demonstrated consistent form leading into this fixture, or whether Blaydes carries injury concerns or scheduling conflicts that diminish his competitive standing. The Roehampton grass-court environment favours certain playing styles; traders should monitor whether either player has recently competed on similar surfaces, as adaptation periods can compress expected margins.
Key catalysts include official confirmation of both players' participation as the August date approaches, any late withdrawals or medical updates, and weather disruptions affecting the London venue. The seven-day grace period before automatic 50-50 resolution creates asymmetric risk: a straightforward Geerts victory settles cleanly, but fixture delays or cancellations would invalidate the current pricing entirely. Confirmation of the match proceeding as scheduled remains the primary dependency for this market's resolution.
Methodology
Football-specific comparison page for Pronóstico: Roehampton: Michael Geerts vs Billy Blaydes. 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
- 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.
- 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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