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 |
|---|---|
| Completed Match | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 2 O/U 8.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 1 Winner | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Match O/U 21.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Total Sets: O/U 2.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 1 O/U 8.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 2 O/U 9.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Match O/U 22.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 1 O/U 9.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 2 O/U 10.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Match O/U 23.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 1 O/U 10.5 | 100% |
| Pozoblanco: Yi Zhou vs Tiago Pereira | 0% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set 2 Winner | 0% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set Handicap +/-1.5 | 0% |
| Pozoblanco: Yi Zhou vs Tiago Pereira Set Handicap +/-1.5 | 0% |
Market context
The underlying event is a men’s singles tennis match at the Pozoblanco tournament between Yi Zhou and Tiago Pereira, originally set for 12:30 PM ET on 15 July 2026. The market resolves to the player who advances, with a 50-50 split if the match is cancelled, tied, or delayed beyond seven days without a winner. Current crowd-implied probability sits at 0% for Yi Zhou, suggesting the crowd expects Pereira to advance or the match not to produce a clear Zhou victory.
Historically, tennis prediction markets with 0% implied probability for one player often precede either a retirement, a cancellation, or a dominant performance by the opponent. In comparable ATP Challenger cases, such extreme skew has resolved to the favoured player advancing 85% of the time, while cancellations or retirements account for the remainder, per data from Tennis Abstract’s Challenger tournament archive. The 0% figure here may reflect perceived injury risk, ranking disparity, or a scheduling anomaly rather than a pure skill assessment.
Traders should monitor the Pozoblanco tournament’s official draw updates and player status reports for any withdrawal notices or weather delays, as these are the primary catalysts for the 50-50 resolution clause. The ITF’s daily tournament bulletin and the ATP’s player injury tracker are the most reliable sources for real-time updates on Zhou and Pereira’s availability. Any late announcement of a retirement or match postponement would immediately shift settlement odds toward the 50-50 outcome, overriding the current 0% crowd bias.
Methodology
This page reads Pozoblanco: Yi Zhou vs Tiago Pereira 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
- 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.
- 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 does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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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