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 |
|---|---|
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon | 100% |
| Completed Match | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Total Sets: O/U 2.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 1 Winner | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 2 O/U 8.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 1 O/U 8.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Match O/U 21.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 2 O/U 9.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 1 O/U 9.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Match O/U 22.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 1 O/U 10.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Match O/U 23.5 | 100% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set Handicap +/-1.5 | 1% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 2 Winner | 0% |
| ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon Set 2 O/U 10.5 | 0% |
Market context
Giorgia Pedone and Lucciana Perez Alarcon are in a tight ITF Women Chacabuco semi-final market, with the crowd currently leaning slightly towards Pedone at 46% YES, so the price is still close to a coin flip rather than a strong conviction. Public betting screens around the event have also moved around the mid-point: one live market shows Pedone near the low-40s cents and Perez Alarcon near the high-50s cents, which is broadly consistent with a marginal edge rather than a one-sided view.[2][11]
The historical frame here is straightforward: both players sit close together in the rankings and the event-level data points to a match that should be decided by small tennis-specific margins rather than class gap. TennisExplorer and TennisStats list Pedone and Perez Alarcon in the same Chacabuco draw, with only a narrow ranking difference, while price feeds have alternated between Pedone as the shorter outsider and Perez Alarcon as the slight favourite across different books and prediction venues.[7][16][17] That is the sort of setup where market probabilities often stay near 50% until line-ups, court conditions, and any late fitness news are confirmed.
The main catalyst is whether the match actually goes ahead on schedule, because the contract settles to 50-50 if it is cancelled, ends without a winner, or is delayed by more than seven days. Traders should watch official draw updates, walkover announcements, and any late schedule slippage from the Chacabuco event, especially in an ITF setting where matches can move quickly on court order changes.[2][10][15] On the crypto side, the contract is a USDC-settled sports market, so the key mechanics are the same as other on-chain prediction trades: the final resolution depends on the event status rather than the scoreline market noise, while broader BTC and ETH moves mainly matter only insofar as they change overall risk appetite and liquidity across prediction venues.
Methodology
This page reads ITF Chacabuco: Giorgia Pedone vs Lucciana Perez Alarcon 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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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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