Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 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
Camila Osorio and Panna Udvardy are scheduled to meet in the GP SAR La Princesse Lalla Meryem in Rabat, with the market currently pricing a 0% YES chance on Osorio. That is a clear outlier relative to the usual pre-match setup in a WTA quarter-final, where the more established clay-court profile and better recent level often attract the shorter price. In practical terms, the consensus is firmly against Osorio here, so any value case would sit on the underdog side if the market has overcorrected for name recognition, recent form, or a late availability issue.
Recent comparable match-ups between these two have tended to be tighter than a zero-probability view suggests, and Osorio’s game is built for slower courts when she is moving well and holding depth on return. Hudvardy, meanwhile, has typically relied on rhythm and clean first-strike tennis, which can be disrupted if conditions are heavy or the match becomes physical. That said, a 0% implied probability is usually a sign the market is either reflecting very strong one-sided information or simply mispriced, so traders should treat the favourite/underdog split as unstable until the draw, order of play, and any official injury or withdrawal news are confirmed.
The main catalysts are straightforward: confirmation that the match is actually played within the settlement window, the official order of play, and any late tournament updates on fitness or withdrawals. Kalshi’s own market framing shows this is the Rabat quarter-final, and other live tennis listings and preview pages on 21 May point to the fixture being active, but schedule changes at WTA events can move quickly. If Osorio is marked in as competing, the 0% line invites contrarian interest; if there is any delay, suspension, or non-completion, settlement mechanics matter more than pre-match opinion.
Methodology
This page reviews GP SAR La Princesse Lalla Meryem: Camila Osorio vs Panna Udvardy across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in 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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