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
Felix Gill and Kyrian Jacquet played in Roland Garros qualifying, with the match listed for 22 May and the market already reflecting a completed result path rather than a live uncertainty. At a 100% crowd-implied price, the obvious reference point is that the contest has effectively been treated as settled, which is consistent with later scoreline data showing Jacquet winning 6-7, 6-3, 6-? in the available feeds. In practical terms, this kind of near-certain pricing usually leaves little room for informational drift unless the market is still waiting on an official advance, retirement or abandonment determination.
For context, tennis qualifying markets tend to reprice sharply around late schedule changes, walkovers and retirement scenarios, but once a match has begun the main issue is whether the completed result matches the exchange’s settlement rule. Comparable cases on clay in Grand Slam qualifying often hinge on whether a player advances after a shortened or interrupted contest, rather than on pre-match strength alone. Here, traders should watch the official Roland Garros order of play, ATP and tournament result updates, and any correction to the scoreline or retirement status, because those are the documents that determine whether the market settles on a named player or reverts to the 50-50 fallback.
On access and regulation, the relevant frame is that prediction markets can sit inside a patchwork of rules: German GlüStV issues matter if the user is located in Germany, because event-based wagering and its local enforcement can trigger licensing and consumer-protection questions, while the US CFTC still has reach over certain derivatives-style event contracts and platform conduct. The “no-KYC up to $1,500” threshold means a user may be able to open and trade within that cumulative limit before identity verification is required, which improves access but does not change the underlying legal character of the market or any residency restrictions that may apply.
Methodology
We track Roland Garros, Qualification ATP: Felix Gill vs Kyrian Jacquet 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
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
- 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.
- 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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