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
Luca Van Assche, the Belgian prospect ranked outside the top 100, faces American qualifier Patrick Kypson in the opening rounds of Roland Garros in May 2026. The crowd-implied probability sits at 50–50, suggesting genuine uncertainty about which player advances from what would likely be an early-round encounter. Van Assche has shown promise on clay courts, his preferred surface, whilst Kypson's path through qualifying would determine his form and fatigue heading into the main draw.
Van Assche's recent trajectory on the ATP circuit provides context for assessing the current odds. The Belgian has competed sporadically at Challenger level and lower-tier ATP events, with clay-court results generally outperforming his hard-court showings. Kypson, similarly ranked in the lower echelons, has relied on qualifying runs to access main-draw opportunities. Historical patterns suggest that players emerging through qualifying often carry momentum but risk physical depletion, a factor that typically favours seeded or direct-entry opponents on clay's demanding surface.
The settlement window extends to 31 May, allowing seven days beyond the scheduled 24 May date—sufficient buffer for rain delays common at Roland Garros. Traders should monitor both players' qualifying performances and any late withdrawals in the preceding weeks. Van Assche's recent match record and clay-court win percentage in the months before the tournament will signal whether the 50–50 consensus undervalues or overvalues his chances. Kypson's qualifying results will similarly indicate whether he arrives in peak condition or depleted from multiple rounds.
Methodology
We track Roland Garros ATP: Luca Van Assche vs Patrick Kypson 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
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
- 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.
- 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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