Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
Market context
The upcoming tennis match between Adam Walton and Alejandro Davidovich Fokina at the Mallorca Championships is set for 10:00 UTC today on grass courts, with the market currently implying a 0% chance for Walton to advance. This near-zero probability starkly contrasts the moneyline odds, which suggest a 34.5% chance for Walton and a 71.4% chance for Fokina, highlighting a significant divergence between the prediction market and traditional betting sentiment[2].
Historically, prediction markets with such extreme crowd-implied probabilities often resolve incorrectly when the underlying event involves a high-profile qualifier facing a top seed, as seen in previous ATP 250 grass tournaments where underdogs occasionally secure breakthrough wins despite heavy odds[2]. Comparable cases from the 2024 Mallorca Championships show that while top seeds like Fokina (ranked 25) dominate, qualifiers like Walton (ranked 92) have previously advanced in Round of 16 matches, suggesting the current 0% figure may be an overreaction to ranking disparities rather than a true reflection of match dynamics[2][5].
Traders should monitor the live start time at 13:00 UTC and any pre-match weather updates, as grass surface conditions can drastically alter performance for Australian players accustomed to different court types[6]. Key catalysts include Fokina’s recent form as the No. 2 seed and Walton’s qualifying momentum, with exchange spot prices for USDC settlement potentially reacting to whale flows if the match outcome defies the current consensus[2]. The settlement window ending 1 July 2026 ensures ample time for resolution, but immediate on-chain activity may hinge on real-time funding rates if the match begins with unexpected delays[2].
Methodology
This page reads Mallorca Championships: Adam Walton vs Alejandro Davidovich Fokina on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Is this market available outside the US?
- BTC Prediction 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.
- What does it cost to trade on BTC Prediction?
- Zero. BTC Prediction 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.
Trade Mallorca Championships: Adam Walton vs Alejandro Dav… on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on BTC Prediction →