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
Polymarket is pricing this contract at 100% YES, which on-chain means USDC buyers on Polygon are treating a Victoria Mboko win as already locked in for settlement of the conditional tokens. The underlying event is the Strasbourg semi-final between Mboko and Jaqueline Cristian, with the market keyed to whether Mboko advances rather than to outright match completion details unless the no-result rules are triggered. In practical terms, a 100% quote usually reflects either a completed result already confirmed by the market, or a very strong expectation that the outcome will be determined before the 7-day settlement window closes.
The historical read on a number like this is that it leaves almost no room for tennis volatility, even though women’s clay-court matches can swing on breaks of serve and medical time-outs. Mboko came through Lois Boisson and Leylah Fernandez in Strasbourg, while Cristian’s route has been less straightforward, and previews from sites including Last Word On Sports and The Stats Zone have framed Mboko as the form pick. Comparable markets tend to stay near certainty only when the favourite has already won, when live score data is feeding into pricing, or when the exchange is reacting to an official result rather than a pre-match view.
The main catalyst for traders is whether the WTA schedule is honoured and a winner is formally recorded before the settlement deadline of 29 May at 14:30 UTC. SofiaScore listed the semi-final start at 22 May 2026, 14:30 UTC, so any postponement, retirement, abandonment, or administrative change to the draw matters more here than pre-match opinion. If the match is cancelled, left unresolved, or pushed beyond the seven-day window without a winner, the contract can revert to 50-50 under Polymarket’s rules, which is the key mechanics risk to watch alongside official tournament updates.
Methodology
We track Internationaux de Strasbourg: Victoria Mboko vs Jaqueline Cristian 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- PolyGram 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.
- 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.
- What does it cost to trade on PolyGram?
- Zero. PolyGram 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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