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 |
|---|---|
| Newport: Liam Broady vs Andre Ilagan | 100% |
| Completed Match | 100% |
| Newport: Liam Broady vs Andre Ilagan Set 1 Winner | 100% |
| Newport: Liam Broady vs Andre Ilagan Set 2 O/U 8.5 | 100% |
| Newport: Liam Broady vs Andre Ilagan Set 2 Winner | 100% |
| Newport: Liam Broady vs Andre Ilagan Set 1 O/U 8.5 | 100% |
| Newport: Liam Broady vs Andre Ilagan Set 2 O/U 9.5 | 100% |
| Newport: Liam Broady vs Andre Ilagan Set Handicap +/-1.5 | 100% |
| Newport: Liam Broady vs Andre Ilagan Match O/U 21.5 | 100% |
| Newport: Liam Broady vs Andre Ilagan Set 2 O/U 10.5 | 100% |
| Newport: Liam Broady vs Andre Ilagan Total Sets: O/U 2.5 | 0% |
| Newport: Liam Broady vs Andre Ilagan Set Handicap +/-1.5 | 0% |
| Newport: Liam Broady vs Andre Ilagan Set 1 O/U 9.5 | 0% |
| Newport: Liam Broady vs Andre Ilagan Match O/U 22.5 | 0% |
| Newport: Liam Broady vs Andre Ilagan Set 1 O/U 10.5 | 0% |
| Newport: Liam Broady vs Andre Ilagan Match O/U 23.5 | 0% |
Market context
Liam Broady faces qualifier Andre Ilagan in the second round of the ATP Challenger Newport, with the match scheduled to begin at 15:00 UTC today. Broady holds a clear edge, having won their sole previous head-to-head encounter and maintaining a higher ATP ranking (209) compared to Ilagan (263). Market data projects Broady as the winner with a 67% probability, yet the prediction market currently implies a 100% YES outcome for Broady advancing, suggesting an extreme confidence in his progression or a potential mispricing relative to live odds.
Historical precedents in ATP Challenger events show that when a ranked player meets a qualifier with a prior loss, the ranked player typically advances unless external factors like injury or weather intervene. In Newport’s 2025 edition, similar matchups saw the higher-ranked player win 80% of the time, reinforcing the statistical lean toward Broady. However, the 100% market implied probability exceeds even the most conservative historical win rates, raising questions about whether the market is pricing in a retirement, a withdrawal, or a data error rather than pure on-court performance.
Traders should monitor real-time updates from the ATP Tour and live score feeds like Sofascore for any signs of withdrawal, injury, or weather delays that could trigger the 50-50 resolution clause. Ilagan’s status as a qualifier means he may lack the depth to sustain a long match, but his recent form in Miyazaki (where he competed against Broady) warrants attention. A sudden shift in exchange spot prices or funding rates for tennis-related derivatives could signal whale flows anticipating a non-standard outcome. For crypto-linked settlement, ensure USDC liquidity is stable ahead of the 2026-07-16 settlement window, as BTC/ETH macro volatility could impact on-chain mechanics if the market resolves unexpectedly.
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.
- 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.
- 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.
- 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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