Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
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 Scam?.
Active sub-markets
| Mallorca Championships: Luciano Darderi vs Nuno Borges Set 2 O/U 8.5 | 100% Over | 0% Under |
| Mallorca Championships: Luciano Darderi vs Nuno Borges Set Handicap +/-1.5 | 100% Borges | 0% Darderi |
| Mallorca Championships: Luciano Darderi vs Nuno Borges Match O/U 22.5 | 100% Over | 0% Under |
| Mallorca Championships: Luciano Darderi vs Nuno Borges Set 2 O/U 10.5 | 0% Over | 100% Under |
| Mallorca Championships: Luciano Darderi vs Nuno Borges Match O/U 23.5 | 0% Over | 100% Under |
| Mallorca Championships: Luciano Darderi vs Nuno Borges | 0% Luciano Darderi | 100% Nuno Borges |
Market context
Luciano Darderi and Nuno Borges are set to clash in the quarterfinal of the ATP Mallorca Championships today, with the match scheduled to begin at 5:00 AM ET. On Polymarket, this contract currently trades at a 100% implied probability for Darderi advancing, a price that starkly contradicts statistical models which suggest Borges holds a 60.39% chance of winning the match[5]. This extreme divergence between on-chain pricing and underlying reality mirrors historical cases where conditional token markets on Polygon have detached from fair value due to liquidity fragmentation or late-stage whale manipulation, often leaving retail traders with significant exposure before settlement[6].
Traders must monitor the official ball-in-play signal, as the market resolves to a fair price if the match does not commence due to injury or walkover, a rule explicitly verified by ATP protocols[6]. Key catalysts include Darderi’s recent grass performance, where he sits at 5-8, versus Borges’ 14-16 record, alongside the Portuguese player’s 2-0 career lead over the Italian[3]. While Darderi’s aggressive power game is predicted to be a deciding factor, the current 100% price ignores the high probability of a narrow victory for Borges, with some models forecasting a 4-6, 6-4, 7-6 scoreline[2]. Any delay beyond seven days without a winner will trigger a 50-50 resolution, making the start time critical for USDC holders on the network[6].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $743K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- Polymarket Scam? 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'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.
- 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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