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 |
|---|---|
| Bonn: Jan Choinski vs Francesco Passaro | 100% |
| Completed Match | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 Winner | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 Winner | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 O/U 8.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set Handicap +/-1.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 O/U 8.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 O/U 9.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Total Sets: O/U 2.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Match O/U 21.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 O/U 9.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set Handicap +/-1.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Match O/U 22.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 O/U 10.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Match O/U 23.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 O/U 10.5 | 0% |
Market context
Jan Choinski and Francesco Passaro are scheduled to meet in the Bonn tournament on 27 July 2026. The match carries a settlement window extending to 3 August, allowing seven days for completion before the market resolves to a 50-50 split should the fixture remain undecided. Current pricing reflects near-certainty that the match will be played and concluded within that window, with the crowd-implied probability at 100% YES for Choinski's advancement.
Historical ATP Challenger and lower-tier tour matches demonstrate that cancellations or extended delays beyond the seven-day threshold remain uncommon at established European venues like Bonn, particularly during the summer grass-court season when weather windows are predictable. Passaro, an Italian player competing primarily on the Challenger circuit, has faced Choinski previously; their head-to-head record and recent form trajectories will determine whether the current pricing reflects genuine consensus or mispricing. The 100% probability suggests traders view Choinski as the clear favourite, though this extreme reading warrants scrutiny given that even favoured players lose matches regularly.
Traders should monitor tournament draw confirmations and player injury reports through the ATP's official schedule updates in early July. Grass-court form entering Bonn—particularly performance at Queen's Club or Halle—will signal whether either player arrives with momentum. Weather disruptions, whilst rare in late July, could extend play beyond the scheduled date. USDC settlement mechanics on btc-prediction.bet will execute upon official ATP confirmation of the match result, making the reliability of tournament administration the primary dependency for timely resolution.
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 — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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.
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