Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live 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
Market consensus: 100% chance of itf w35 bistrita women: jessica pieri vs adrienn nagy. Prediction markets aggregate real capital to produce this probability signal. 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
We read ITF W35 Bistrita Women: Jessica Pieri vs Adrienn Nagy from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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