Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
| Brescia: Carole Monnet vs Martina Trevisan Match O/U 21.5 | 100% Over | 0% Under |
| Brescia: Carole Monnet vs Martina Trevisan Set Handicap +/-1.5 | 100% Monnet | 0% Trevisan |
| Brescia: Carole Monnet vs Martina Trevisan Match O/U 22.5 | 100% Over | 0% Under |
| Brescia: Carole Monnet vs Martina Trevisan Set Handicap +/-1.5 | 0% Trevisan | 100% Monnet |
| Brescia: Carole Monnet vs Martina Trevisan Set 1 O/U 10.5 | 100% Over | 0% Under |
| Brescia: Carole Monnet vs Martina Trevisan Set 1 Winner | 100% Monnet | 0% Trevisan |
Market context
Carole Monnet faces Martina Trevisan in a Brescia WTA 250 first-round match originally scheduled for 15 June 2026. The Polymarket contract currently trades at 100% YES for Monnet, reflecting either extreme confidence in her advancement or illiquidity in the conditional token pair on Polygon. The settlement window closes 22 June, allowing a seven-day buffer beyond the scheduled date for completion. USDC liquidity on this pairing remains thin, typical for lower-tier WTA matchups where retail prediction market participation concentrates on Grand Slams and top-ranked players.
Trevisan, an Italian clay-court specialist ranked in the 40s, holds a significant home advantage at Brescia and has demonstrated resilience in first-round scenarios despite inconsistent form. Monnet, a French qualifier, has limited recent tour-level exposure. Historical precedent suggests that home-court clay tournaments frequently produce upsets when lower-ranked players face marginal competition, yet the current 100% pricing suggests traders have either discounted Trevisan's clay credentials or lack confidence in her recent match fitness.
Key catalysts include official draw confirmation and any late withdrawal announcements from either player. Injury reports or travel delays affecting the 15 June start time would trigger the seven-day extension clause. Weather disruptions at Brescia's outdoor courts could compress the schedule, forcing expedited matches. Traders should monitor WTA official communications and both players' social media for fitness updates in the week preceding the match, as neither competitor commands the media attention that would surface major news through mainstream outlets.
Methodology
We track Brescia: Carole Monnet vs Martina Trevisan on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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.
FAQ
- Is this market available outside the US?
- Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- What does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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