Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 2 Winner | 100% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Total Sets: O/U 2.5 | 100% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 1 O/U 8.5 | 100% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 2 O/U 8.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 1 Winner | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set Handicap +/-1.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Match O/U 21.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set Handicap +/-1.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 2 O/U 9.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 1 O/U 9.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Match O/U 22.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 1 O/U 10.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Set 2 O/U 10.5 | 0% |
| ITF M25 Taipei Men: Manish Sureshkumar vs Hiromasa Koyama Match O/U 23.5 | 0% |
Market context
The ITF M25 Taipei Men's qualifying match between Indian player Manish Sureshkumar and Japan's Hiromasa Koyama is scheduled for 16 August 2026. Polymarket currently prices this contract at 0% YES, implying near-certain backing of Koyama to advance. The conditional token structure on Polygon means traders holding YES tokens receive full USDC payout only if Sureshkumar wins outright; any cancellation, tie, or delay beyond seven days triggers a 50-50 split regardless of match status.
ITF M25 qualifying rounds typically feature players ranked outside the top 300, where form volatility and surface preference create meaningful pricing gaps. Sureshkumar's recent record on hard courts and Koyama's experience in Asian qualifying events provide the substantive basis for market positioning, though a 0% price suggests the market has incorporated strong prior information about Koyama's likelihood. Historical ITF M25 upsets do occur—particularly when lower-ranked players exploit specific conditions—but the current probability reflects confidence in the favourite.
Traders should monitor official ITF scheduling confirmations as the August window approaches, particularly any weather-related postponements that could trigger the seven-day delay clause. Court surface conditions at the Taipei venue and late-breaking injury announcements from either player's camp would constitute material catalysts. Settlement closes 24 August 2026 at 03:00 UTC, allowing a narrow window for match completion and result confirmation before the conditional tokens resolve.
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 UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Kalshi UK. 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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