Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 2 O/U 8.5 | 100% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 2 O/U 9.5 | 100% |
| Astana: Sidharth Rawat vs Mert Alkaya Set Handicap +/-1.5 | 100% |
| Astana: Sidharth Rawat vs Mert Alkaya | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 2 Winner | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 1 O/U 8.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Match O/U 21.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Total Sets: O/U 2.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 1 Winner | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set Handicap +/-1.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 1 O/U 9.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Match O/U 22.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 2 O/U 10.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Set 1 O/U 10.5 | 0% |
| Astana: Sidharth Rawat vs Mert Alkaya Match O/U 23.5 | 0% |
Market context
Sidharth Rawat and Mert Alkaya are scheduled to meet in the opening round of the Astana tournament on 11 August 2026. The 0% probability on Rawat advancing reflects either minimal trading activity or strong market conviction around Alkaya's form heading into the match. With settlement closing seven days after the scheduled date, any cancellation, delay beyond that window, or incomplete match defaults to a 50-50 split.
Rawat, an Indian player competing primarily on the ATP Challenger circuit, has limited direct head-to-head history against Alkaya, a Turkish competitor. Comparable opening-round matchups at Astana typically favour players with recent ATP-level experience and established ranking momentum. The 0% reading on Rawat suggests the market has already priced in either a significant ranking or recent-form gap, or that Alkaya has demonstrated recent results justifying heavy favouritism in pre-tournament assessments.
Traders should monitor official Astana tournament draws and any late withdrawals through the ATP's injury or scheduling announcements in the week preceding 11 August. Recent form updates—particularly any ATP 250 or Challenger results for either player in late July—will be critical to reassessing whether the current probability reflects genuine disparity or illiquidity. Court conditions at Astana's hard courts and any surface-preference data between the two players could shift expectations if new information emerges closer to match day.
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 Prediction Today, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- 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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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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