Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Active sub-markets
Market context
Jaqueline Cristian and Daria Kasatkina are scheduled to meet in the Strasbourg quarter-final on clay, with the contract resolving on who actually advances. The market is already priced at 100% YES, which is best read as a reflection that the match is expected to be played and settled normally rather than as a view on a walkover or cancellation. In that sense, the key question is not just who is favoured on court, but whether the contest gets to a completed result inside the settlement window.
The historical frame points towards Kasatkina as the more established clay-court name, and TennisTemple lists her leading their head-to-head 3-1, with Cristian said never to have beaten her on clay. That is broadly consistent with the live market on Robinhood, where Kasatkina has been trading around 60¢ to Cristian’s 41¢, although third-party previews are split, with one preview backing Cristian and another tipping Kasatkina in three sets. For markets like this, comparable cases often show that head-to-heads and surface records matter more than recent ranking noise, but only until late withdrawals or injury issues intervene.
The main catalysts are scheduling and any pre-match fitness news, since the contract flips to 50-50 if the match is not played at all, ends level, or is delayed beyond seven days without a winner. Live movement in the broader crypto complex should also be watched because these contracts settle in USDC on-chain, so traders often lean on BTC and ETH risk sentiment when sizing exposure. If spot weakens sharply or funding turns crowded, that can affect appetite for event risk even when the tennis-specific setup is unchanged.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
Trade Internationaux de Strasbourg: Jaqueline Cristian vs … on PolyGram
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