Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Alternative Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Alternative → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Alternative → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Alternative → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Alternative → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Alternative → |
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 Polymarket Alternative.
Active sub-markets
Market context
Francisco Cerundolo and Hugo Gaston are scheduled to meet in the first round of Roland Garros' ATP draw on 26 May 2026. Cerundolo, an Argentine ranked in the mid-80s, has competed regularly on the ATP circuit since 2021, whilst Gaston, a French player, has fluctuated between Challenger and ATP-level competition. The match carries standard first-round volatility: both players are capable of producing competitive tennis, but neither enters as a seeded favourite. Settlement occurs on 2 June 2026 at 09:00 UTC, allowing seven days for completion or rescheduling before the 50-50 tie resolution clause activates.
Historical precedent suggests that 0% implied probability on a match between two unranked or lowly-ranked ATP players typically reflects either incomplete market participation or structural differences between platforms. Polymarket's current reading contrasts sharply with how Kalshi, Betfair, and Smarkets typically price equivalent first-round matchups—those venues rarely show zero probability on either player unless one has withdrawn. The discrepancy hints at lower liquidity on Polymarket for this fixture, a common pattern in niche tennis markets where decimal odds on Betfair or fractional odds on Smarkets attract more consistent volume.
Traders should monitor the official Roland Garros draw confirmation and any injury announcements affecting either player in the fortnight preceding the match. Gaston's recent form on French clay and Cerundolo's fitness status are material catalysts. Withdrawal or late substitution would trigger the tie resolution; completion delays beyond 7 June would similarly resolve at 50-50, creating tail-risk scenarios that may not be fully priced across platforms.
Methodology
We read Roland Garros ATP: Francisco Cerundolo vs Hugo Gaston from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
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 Polymarket Alternative?
- Zero. Polymarket Alternative 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, Polymarket Alternative 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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