Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) 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 |
|---|---|
| Completed Match | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Total Sets: O/U 2.5 | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 2 O/U 8.5 | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Match O/U 21.5 | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 2 Winner | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 2 O/U 9.5 | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Match O/U 22.5 | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala Match O/U 23.5 | 100% |
| National Bank Open: Alycia Parks vs Alexandra Eala | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 1 Winner | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 1 O/U 8.5 | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set Handicap +/-1.5 | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set Handicap +/-1.5 | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 1 O/U 9.5 | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 2 O/U 10.5 | 0% |
| National Bank Open: Alycia Parks vs Alexandra Eala Set 1 O/U 10.5 | 0% |
Market context
Alycia Parks and Alexandra Eala are scheduled to meet at the National Bank Open, and the market is currently pricing Parks as a clear underdog at **11%**. That framing is consistent with a match where the favourite can still be vulnerable to a single-service-game swing, especially on hard courts, and it gives programmatic traders a low-base-rate event to monitor for move-driven repricing rather than steady drift.
The cleanest historical comparator is their only previous professional meeting: Parks beat Eala at the 2026 Australian Open after dropping the first set, 0-6, 6-3, 6-2, on hard court.[6][7][10][12] That result matters because it shows Parks can overturn Eala even when the match starts badly, but the broader form profile still tilts towards Eala: one source has Eala at 38-26 over the last 52 weeks versus Parks at 22-32.[1] For a bot or conditional-order setup, that combination usually argues for watching live price action around first-serve percentage, break-point conversion, and any early injury or retirement signals rather than leaning solely on pre-match head-to-head.
The main catalysts are simple but time-sensitive: official start/format changes, player withdrawals, and whether the match actually gets under way, because the market’s settlement rules depend on completion and the seven-day delay threshold. Tournament and score pages show the fixture on the National Bank Open slate, while live scoring feeds can confirm whether play has started and whether one player is already advancing on retirement or walkover terms.[11][8][9] If your tooling supports scripted polling, this is the sort of market where schedule verification and result-state monitoring matter as much as the price itself.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
UK Frequently Asked Questions
- 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.
- 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%.
Trade National Bank Open: Alycia Parks vs Alexandra Eala on Polymarket Bot UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →