Roland Garros ATP: Quentin Halys vs Mattia Bellucci

Platform comparison

Active sub-markets

Market context

Quentin Halys and Mattia Bellucci are scheduled to meet in the opening round of Roland Garros on 24 May 2026. Halys, a French player ranked in the ATP's mid-tier, carries home advantage and typically performs well on clay courts. Bellucci, an Italian prospect, has shown improvement on the professional circuit but remains less established than his opponent. The 92% implied probability heavily favours Halys, reflecting both seeding advantage and the historical edge French players hold at their national Grand Slam.

Comparable first-round clay-court matchups between established home players and rising challengers have historically resolved in favour of the seeded competitor roughly 85–90% of the time, though upsets do occur when the lower-ranked player has recent momentum or specific clay-court form. The settlement window extends to 31 May, providing a seven-day buffer beyond the scheduled date; any postponement or incomplete match within that window triggers a 50-50 resolution. Traders should monitor the official ATP and Roland Garros draw confirmations, as last-minute withdrawals or schedule changes occasionally shift probabilities in early-round markets.

From a regulatory standpoint, this market's accessibility depends on jurisdiction. UK traders face no specific KYC threshold for prediction markets under the Gambling Commission's framework. German users trading via platforms subject to GlüStV must verify identity for accounts exceeding €1,000 cumulative exposure; trades under that threshold typically proceed without full documentation. US CFTC oversight applies only if the platform settles in USD and accepts US residents; most prediction markets avoid direct US access to sidestep derivatives classification. The "no-KYC up to $1,500" threshold referenced in some platforms is a commercial policy rather than a regulatory requirement, varying by operator.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

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

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.

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.