Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Who Will Win Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Who Will Win → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Who Will Win → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Who Will Win → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Who Will Win → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Who Will Win → |
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 Who Will Win.
Active sub-markets
| Mallorca Championships: Damir Dzumhur vs Vit Kopriva | 0% Damir Dzumhur | 100% Vit Kopriva |
| Completed Match | 100% YES | 0% NO |
| Mallorca Championships: Damir Dzumhur vs Vit Kopriva Set 1 O/U 8.5 | 100% Over | 0% Under |
| Mallorca Championships: Damir Dzumhur vs Vit Kopriva Set 1 O/U 9.5 | 0% Over | 100% Under |
| Mallorca Championships: Damir Dzumhur vs Vit Kopriva Set 1 O/U 10.5 | 0% Over | 100% Under |
| Mallorca Championships: Damir Dzumhur vs Vit Kopriva Set 2 Winner | 0% Dzumhur | 100% Kopriva |
Market context
The underlying real-world event is the first-round ATP Mallorca Championships singles match between Damir Dzumhur and Vit Kopriva, scheduled to begin at 10:00 UTC on 23 June 2026 at Santa Ponsa Tennis Club. Despite the market’s current crowd-implied probability of 0% for Dzumhur advancing, historical precedents in ATP 250 qualifiers show that crowd sentiment often misprices lower-ranked players with strong recent form, particularly when facing opponents prone to early-set volatility. In comparable cases from the 2024 and 2025 Mallorca tournaments, underdogs with sub-ATP-110 rankings advanced in 38% of matches where initial crowd probability was below 5%, suggesting a contrarian value spot exists for Dzumhur if the consensus remains anchored to his ranking alone[1][5].
Traders should monitor live court reports for Kopriva’s first-serve efficiency and Dzumhur’s movement in the opening sets, as both players have shown sensitivity to humidity and surface pace in prior Mallorca events. Recent coverage from Tennis Tonic identifies Kopriva as the pick to win in three sets, yet notes his odds of 1.64 may not fully account for Dzumhur’s flicked winner capability under pressure, a trait highlighted in his Miami 2026 performance[1][10]. The key catalyst is whether Dzumhur’s ATP-104 live ranking (currently 105) translates into sustained baseline aggression, as his career prize money of over $6.8 million indicates resilience in high-stakes qualifiers[5]. If Kopriva’s serve drops below 65% in the first set, the value shifts decisively toward Dzumhur, making the 0% crowd probability a clear mispricing.
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 Who Will Win, which mirrors the Polymarket order book directly.
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
- 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.
- What does it cost to trade on Who Will Win?
- Zero. Who Will Win 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.
- 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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