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 |
|---|---|
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 O/U 8.5 | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 O/U 9.5 | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 O/U 10.5 | 100% |
| Completed Match | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 O/U 8.5 | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 Winner | 51% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 O/U 9.5 | 50% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 O/U 10.5 | 50% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 O/U 8.5 | 35% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set Handicap +/-2.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Match O/U 40.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Match O/U 36.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 Winner | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Total Sets: O/U 3.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Total Sets: O/U 4.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 Winner | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 Winner | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 O/U 8.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 O/U 9.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 O/U 10.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 O/U 9.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 O/U 10.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set Handicap +/-1.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Match O/U 38.5 | 0% |
Market context
Vit Kopriva faces Jan Choinski in the opening round of Wimbledon ATP, a match originally set for 6:00 AM ET on 29 June 2026 but now pending resolution. The prediction market currently implies a 1% chance that Kopriva advances, a stark contrast to initial moneyline odds where Kopriva held a 61.5% implied win probability against the 100th-ranked Choinski[1][2]. This divergence mirrors historical cases where on-chain liquidity shifts rapidly after late news, such as injury reports or weather delays, causing crowd sentiment to detach from pre-tournament fundamentals. In prior Wimbledon rounds, similar 1% implied probabilities for lower-ranked players often resolved to 50-50 outcomes when matches were delayed beyond seven days, reflecting the market’s sensitivity to settlement mechanics rather than pure skill assessment[3].
Traders should monitor real-time updates on match status, including whether the contest begins or is postponed, as the contract resolves to 50-50 if delayed beyond seven days without a winner[1]. Key catalysts include official Wimbledon announcements on scheduling changes, player fitness updates from ATP sources, and any weather-related disruptions at the London venue[4]. While crypto macro factors like BTC/ETH volatility or USDC funding rates may influence on-chain trading volume, the primary driver remains the match’s physical execution. Recent tennis coverage notes Choinski’s 2-1 head-to-head advantage over Kopriva, yet Kopriva’s composed 22-19 2026 record and grass adaptability suggest underlying resilience that could defy the current 1% crowd-implied probability[1][3]. Watch for whale flows on prediction platforms as a signal of shifting sentiment before the settlement window closes on 6 July 2026.
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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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