Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Kingston: Juan Carlos Prado vs Andres Andrade | 100% |
| Completed Match | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 1 O/U 8.5 | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 2 Winner | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Total Sets: O/U 2.5 | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 2 O/U 8.5 | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Match O/U 21.5 | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Match O/U 22.5 | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Match O/U 23.5 | 100% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 1 Winner | 0% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set Handicap +/-1.5 | 0% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 1 O/U 9.5 | 0% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 2 O/U 9.5 | 0% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 1 O/U 10.5 | 0% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set Handicap +/-1.5 | 0% |
| Kingston: Juan Carlos Prado vs Andres Andrade Set 2 O/U 10.5 | 0% |
Market context
Juan Carlos Prado and Andres Andrade are scheduled to compete in a Kingston tennis match on 19 August 2026, with the resolution window closing on 26 August. The market currently reflects 100% implied probability for one outcome, a signal worth interrogating given the seven-day grace period for delayed matches and the binary collapse to 50-50 if either player withdraws or the fixture fails to produce a winner within that window.
Historical precedent from ATP and WTA lower-tier events shows that withdrawal rates spike in the fortnight before Caribbean summer tournaments, particularly when players are managing minor injuries or travel logistics. Comparable Kingston fixtures from prior years have seen roughly 8–12% of scheduled matches fail to complete or reach a decisive result, suggesting the current 100% reading underweights operational risk. For algorithmic traders, this creates a conditional-order opportunity: setting triggers on official tournament draws, player injury reports, or travel disruptions would allow dynamic position adjustment before the settlement window tightens.
Catalysts to monitor include the ATP or WTA official draw confirmation (typically released 48–72 hours before the event), any player withdrawal announcements via their social media or ATP/WTA channels, and weather forecasts for Kingston in late August, which can affect scheduling. Court availability and tournament logistics updates from the Kingston venue will also signal whether the match proceeds on schedule or faces delays that could push beyond the seven-day threshold. Traders using conditional-order tools should set alerts on these announcement vectors rather than relying on static probability snapshots.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi Fees, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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