Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
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
Jessica Pieri and Federica Sacco are scheduled to compete in the ITF W35 Bistrita Women's tournament on 18 August 2026. The market currently reflects 100% probability for match completion, suggesting traders expect the fixture to proceed as scheduled without cancellation, postponement beyond seven days, or an incomplete result.
ITF W35 tournaments typically feature consistent scheduling adherence, with matches rarely cancelled outright at lower-tier professional events. Historical data from comparable ITF women's circuits shows completion rates exceeding 95% for scheduled matches, particularly when both players have confirmed entry into the draw. Weather disruptions at Bistrita in August are uncommon, and venue infrastructure at ITF W35 standard events generally accommodates rescheduling within the settlement window if minor delays occur. The 100% implied probability reflects this baseline reliability rather than any specific expectation about which player will advance.
Traders should monitor official ITF tournament updates and player withdrawal announcements through the ATP/WTA injury report channels in the week preceding 18 August. Any late withdrawal by either competitor—whether due to injury, illness, or personal circumstances—would trigger the 50-50 resolution clause. The settlement window closes 25 August at 09:30 UTC, allowing seven days for match completion. Court scheduling changes or weather-related postponements announced fewer than seven days before the deadline could create ambiguity around the completion condition, though such scenarios remain statistically unlikely for established tournament venues.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for ITF W35 Bistrita Women: Jessica Pieri vs Federica Sacco plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
UK Frequently Asked Questions
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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