Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
50% | 50% | 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
Katarina Zavatska and Lucia Bronzetti met in Roland Garros qualifying on 22 May, with the market effectively pricing the tie-up as a toss-up. The current 50% crowd view fits the recent record: they are 1-1 head-to-head, and the split is also 1-1 on clay. Their most recent meeting went Zavatska’s way, which gives her a narrow historical edge, but the broader picture does not separate them much. Both came through qualifying with two wins and one dropped set apiece, so neither arrived with a materially cleaner run than the other.
The main trading watchpoint is whether that balance shifts through workload and match rhythm rather than reputation. Bronzetti beat Varvara Lepchenko in three sets before handling Lucrezia Stefanini in straight sets; Zavatska beat Carol Zhao in straight sets and then outlasted Darja Semenistaja in three. That leaves Bronzetti with one more game played across the same number of sets, a small but relevant difference if the match becomes physical. Match listings from TennisLive and the WTA’s Roland Garros scores page confirm the fixture was scheduled as a qualifying match, so the key dependency is simply completion within the settlement window rather than any further draw movement or late reshuffle.
Methodology
This page reviews Roland Garros, Qualification WTA: Katarina Zavatska vs Lucia Bronzetti 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
- 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.
Trade Roland Garros, Qualification WTA: Katarina Zavatska … on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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