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
A Roland Garros WTA first-round encounter between American qualifier Talia Gibson and Kazakhstan's Yulia Putintseva is scheduled for 24 May 2026. The market currently implies zero probability of Gibson advancing, reflecting the substantial ranking and experience gap between the two players. Putintseva, a career top-30 player with multiple WTA titles and Grand Slam main-draw experience spanning over a decade, enters as a heavy favourite. Gibson, ranked outside the top 200 for most of her career, would need to produce an upset of considerable magnitude to progress.
Historical context suggests such disparities rarely close at Roland Garros. Putintseva has won approximately 70% of her first-round matches at majors since 2015, whilst Gibson's record in Grand Slam qualifying and main-draw play shows limited success against seeded or higher-ranked opponents. The 0% implied probability reflects rational consensus rather than market dysfunction; Gibson has never defeated a player ranked within Putintseva's range in a completed match.
Traders should monitor Gibson's recent form leading into the tournament and any late fitness concerns affecting Putintseva, though neither would typically shift the fundamental matchup dynamics. Court conditions and draw positioning matter less here than the baseline skill differential. The settlement window extends to 31 May, providing coverage for potential delays, though a first-round match typically concludes within 48 hours of scheduling.
Methodology
We track Roland Garros WTA: Talia Gibson vs Yulia Putintseva 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
- 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.
- 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.
- 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: Talia Gibson vs Yulia Putintseva on PolyGram
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