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 |
|---|---|
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 1 Winner | 100% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 1 O/U 8.5 | 100% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 1 O/U 9.5 | 100% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo | 82% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 2 Winner | 64% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set Handicap +/-1.5 | 64% |
| Completed Match | 50% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 2 O/U 8.5 | 50% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Match O/U 21.5 | 50% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 2 O/U 9.5 | 50% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Match O/U 22.5 | 50% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 2 O/U 10.5 | 50% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Match O/U 23.5 | 37% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Total Sets: O/U 2.5 | 35% |
| National Bank Open: Hubert Hurkacz vs Alejandro Tabilo Set 1 O/U 10.5 | 0% |
Market context
Hubert Hurkacz meets Alejandro Tabilo in the National Bank Open second round, with the contract currently pricing Hurkacz at 61% and Tabilo at 39% in line with recent pre-match models and sportsbook markets. Match listings place the start at 6 August 2026, with Hurkacz generally a modest favourite rather than a dominant one, which is consistent with a market sitting a little above coin-flip territory but well short of a heavy favourite. [11][13][1]
The historical frame is narrow because the pair do not have an established head-to-head in the available records, so traders are mostly reading serve profile, surface fit, and recent market consensus rather than a long direct rivalry. Comparable pricing from betting markets has Hurkacz around -150 to -175 and Tabilo around +130 to +140, while one pre-match model gives Hurkacz 61.2%, closely matching the current crowd number. That makes the contract’s 61% implied probability look closer to a calibrated fair price than a strong mispricing, with relatively limited room for surprise unless one player’s late condition changes materially. [8][9][11][2]
For catalysts, the main items are whether the scheduled match is moved, delayed, or interrupted by the tournament timetable, because the market settles to 50-50 only if the match is not played, ends in a tie, or drifts beyond the seven-day delay window without a winner. Tennis Temple and other live listings still show the fixture on the schedule, which reduces immediate cancellation risk, but the practical driver is whether the ATP event keeps the match on court and completed within the resolution window. In on-chain terms, the trade settles in USDC on the platform rather than through a sportsbook ticket, so the key risk is event completion rather than price movement in BTC or ETH; broader crypto conditions matter only insofar as they affect liquidity and order-book depth around the market. [2][4][7][13]
Methodology
This page reads National Bank Open: Hubert Hurkacz vs Alejandro Tabilo 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 are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- 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.
- 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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