Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Astana: Jie Cui vs Aziz Dougaz Set 2 O/U 8.5 | 100% |
| Astana: Jie Cui vs Aziz Dougaz Set 2 Winner | 100% |
| Astana: Jie Cui vs Aziz Dougaz Match O/U 21.5 | 100% |
| Astana: Jie Cui vs Aziz Dougaz Total Sets: O/U 2.5 | 100% |
| Astana: Jie Cui vs Aziz Dougaz Set 2 O/U 9.5 | 100% |
| Astana: Jie Cui vs Aziz Dougaz Match O/U 22.5 | 100% |
| Astana: Jie Cui vs Aziz Dougaz Match O/U 23.5 | 100% |
| Astana: Jie Cui vs Aziz Dougaz | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set 1 Winner | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set 1 O/U 8.5 | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set Handicap +/-1.5 | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set 1 O/U 9.5 | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set 2 O/U 10.5 | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set Handicap +/-1.5 | 0% |
| Astana: Jie Cui vs Aziz Dougaz Set 1 O/U 10.5 | 0% |
Market context
The ATP 250 event in Astana scheduled for 14 August 2026 will feature Chinese player Jie Cui against Algerian competitor Aziz Dougaz in what appears to be an early-round fixture. The 77% crowd-implied probability favours Cui, reflecting either a significant ranking differential, recent form advantage, or head-to-head record in Cui's favour. Settlement occurs 7 August 2026 at 05:00 UTC, allowing roughly one week for the match to conclude; any cancellation, tie, or delay beyond that window triggers a 50-50 resolution regardless of circumstances.
Historical precedent from lower-tier ATP events shows that crowd probabilities in the 75–80% range typically reflect established ranking gaps rather than volatile form shifts. Cui's implied edge aligns with standard market behaviour when a seeded or higher-ranked player faces an unseeded opponent at a 250-level tournament. Dougaz would need either a recent upset streak or injury news regarding Cui to substantially shift the probability; absent such catalysts, the current pricing has remained stable across comparable matchups at this tier.
Traders should monitor the official ATP schedule confirmation closer to the event date, as Astana fixtures occasionally shift due to weather or draw adjustments. Any withdrawal announcement—particularly from Cui—would immediately collapse the YES position. On-chain volume and funding rates on btc-prediction.bet will likely remain modest given the niche appeal of lower-ranked tennis markets; USDC settlement means no slippage risk, though liquidity depth may constrain large position sizing.
Methodology
This page reads Astana: Jie Cui vs Aziz Dougaz on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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