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 |
|---|---|
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco | 100% |
| Completed Match | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 2 Winner | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Match O/U 21.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 2 O/U 8.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Total Sets: O/U 2.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Match O/U 22.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Match O/U 23.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set Handicap +/-1.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 1 O/U 8.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 1 Winner | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set Handicap +/-1.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 2 O/U 9.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 1 O/U 9.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 1 O/U 10.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco Set 2 O/U 10.5 | 0% |
Market context
The ITF W35 Bistrita women's tournament match between Jessica Pieri and Federica Sacco was originally scheduled for 18 August 2026 at 5:30AM ET. The current 100% probability assigned to this market suggests either exceptionally strong conviction in one player's advancement or potential liquidity constraints limiting price discovery. With settlement closing 25 August, the window for match completion remains open, though the original date has now passed without reported resolution details.
ITF W35 events sit at the lower tier of professional women's tennis, where match cancellations, scheduling delays, and walkovers occur with measurable frequency. Historical precedent from comparable ITF W35 tournaments shows that when matches fail to complete within the scheduled window, resolution often hinges on whether either player withdrew before play began or whether play commenced but remained unfinished. The 50-50 tie-break clause activates if the match extends beyond seven days from the original date without a determined winner—a condition now potentially relevant given the 18 August scheduled date.
Traders should monitor official ITF and tournament communications for confirmation of whether this match was played, postponed, or abandoned. Pieri and Sacco's recent match records and any injury announcements would clarify competitive positioning, though such details rarely shift probabilities dramatically at this level. The settlement window closing 25 August provides a hard deadline; any match rescheduled beyond 25 August would trigger the 50-50 resolution clause regardless of eventual outcome.
Methodology
This page reviews ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.
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
- 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%.
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