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
Kamilla Rakhimova, the Uzbek player ranked outside the top 100, faces Jaqueline Cristian of Romania in an early-round Roland Garros WTA encounter scheduled for 24 May 2026. The match carries a 100% implied probability on-chain, suggesting near-certainty of completion, though the settlement window extends to 31 May, allowing a seven-day buffer for delays or scheduling adjustments typical of Grand Slam tournaments where weather and court availability frequently disrupt initial fixtures.
Historical precedent for Roland Garros first-round matches shows completion rates exceed 95% when both players are fit and seeded appropriately. Rakhimova's recent trajectory has seen modest ranking gains through ITF and lower-tier WTA events, whilst Cristian has maintained consistent presence in qualifying and main-draw slots. Neither player commands the injury history or withdrawal patterns that would elevate default risk materially above baseline tournament norms. The 100% probability reflects confidence in both competitors' availability rather than predictive certainty about the match outcome itself.
Traders should monitor official Roland Garros draw confirmations and player injury bulletins through late May, particularly any announcements from the WTA or tournament organisers regarding schedule compression or weather-related postponements. Court assignments and match timing remain fluid until 48 hours pre-tournament. USDC settlement mechanics on btc-prediction.bet will trigger upon confirmed advancement by either player, with the 50-50 resolution clause activating only if the match is cancelled entirely or extends beyond the settlement window without completion—a scenario currently priced as negligible but non-zero given Grand Slam operational variables.
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
- 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.
- 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 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.
Trade Roland Garros WTA: Kamilla Rakhimova vs Jaqueline Cr… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →