Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar | 100% |
| Completed Match | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 O/U 8.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Total Sets: O/U 2.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Match O/U 21.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 O/U 8.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 Winner | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Match O/U 22.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 O/U 9.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Match O/U 23.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 Winner | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 O/U 9.5 | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set Handicap +/-1.5 | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 O/U 10.5 | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 O/U 10.5 | 0% |
Market context
Juan Manuel Cerundolo, the Argentine tennis player ranked in the ATP's top 100, faces Zdenek Kolar of the Czech Republic in the opening rounds of the Swiss Open at Gstaad. The match was originally scheduled for 13 July 2026 at 4:00 AM ET, though grass-court tournaments frequently experience weather delays and rescheduling. The settlement window extends to 20 July, allowing a seven-day buffer for completion; any match unfinished beyond that threshold or cancelled outright triggers a 50-50 resolution, effectively voiding the contract's directional thesis.
The 100% implied probability on Cerundolo reflects either extremely limited liquidity on the Kolar side or a significant information asymmetry regarding player fitness and draw positioning. Comparable ATP 250 matches between seeded and unseeded players at Gstaad have historically shown tighter odds, particularly when the lower-ranked opponent carries recent tournament momentum. Kolar's recent performance record and any late-stage withdrawals from the tournament field would materially shift expected outcomes; grass-court form diverges sharply from clay or hard-court rankings.
Traders should monitor official ATP announcements for injury reports, weather forecasts for the Gstaad region during the settlement window, and any draw updates affecting match timing. Cerundolo's recent match history and surface-specific win rates against Czech opponents provide concrete reference points. USDC settlement on btc-prediction.bet remains contingent on match completion; funding rate dynamics may reflect uncertainty about tournament scheduling reliability rather than genuine player performance expectations.
Methodology
This page reads Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar 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 alongside for venue context. 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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
Trade Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →