Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
100% | 0% | 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
| Mallorca Championships: Vit Kopriva vs Ignacio Buse Set 2 Winner | 100% Kopriva | 0% Buse |
| Mallorca Championships: Vit Kopriva vs Ignacio Buse Set Handicap +/-1.5 | 0% Buse | 100% Kopriva |
| Mallorca Championships: Vit Kopriva vs Ignacio Buse Set 1 Winner | 100% Kopriva | 0% Buse |
| Mallorca Championships: Vit Kopriva vs Ignacio Buse Match O/U 22.5 | 0% Over | 100% Under |
| Mallorca Championships: Vit Kopriva vs Ignacio Buse Match O/U 23.5 | 0% Over | 100% Under |
| Completed Match | 100% YES | 0% NO |
Market context
Vit Kopriva and Ignacio Buse are set to face off in the second round of the 2026 ATP Mallorca Championships on grass, with the match originally scheduled for 6:30 AM ET today. The market currently implies a 100 % chance that the event will resolve to a winner, suggesting no cancellation or indefinite delay is expected. Settlement will be made in USDC on-chain, with resolution typically occurring within an hour of the match finishing, tying directly to BTC and ETH macro liquidity flows that influence on-chain settlement speed.
Historically, this pair has met three times in professional competition, with Kopriva holding a 2–1 head-to-head advantage, though their most recent clash in October 2024 saw Buse prevail. On grass, Kopriva has lost his only match so far this season, while Buse has shown resilience against top seeds, including a competitive outing against Stefanos Tsitsipas earlier in the tournament. These comparable cases suggest the 100 % probability reflects strong confidence in the match proceeding, not necessarily a foregone conclusion on the winner.
Traders should monitor live ATP Tour scores for any schedule shifts or weather-related delays, as Mallorca’s outdoor courts remain vulnerable to sudden rain. Flashscore and TennisTonic provide real-time updates on player status and match start times, which are critical for timing USDC settlement entries. Whale flows into tennis prediction contracts on crypto exchanges may also signal shifting sentiment, particularly if funding rates on BTC/ETH futures spike ahead of the match window.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
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
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- 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 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.
- 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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