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 |
|---|---|
| Completed Match | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 2 O/U 8.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 1 O/U 8.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Match O/U 21.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 2 O/U 9.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 1 O/U 9.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set Handicap +/-1.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Match O/U 22.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 1 O/U 10.5 | 100% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Total Sets: O/U 2.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 2 Winner | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 1 Winner | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set Handicap +/-1.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Set 2 O/U 10.5 | 0% |
| ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy Match O/U 23.5 | 0% |
Market context
Based on real-money crowd forecasting, itf w35 bistrita women: jessica pieri vs adrienn nagy stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Jessica Pieri and Adrienn Nagy in the ITF W35 Bistrita Women, originally scheduled for August 22, 2026 at 4:00AM ET. This market wil…
Methodology
This page tracks ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Election Predictions UK provide a 0%-fee route into the same order book.
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
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- 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.
- 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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