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 |
|---|---|
| Estoril Open: Tiago Torres vs Hugo Gaston Set 1 O/U 8.5 | 100% |
| Completed Match | 50% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 2 O/U 8.5 | 50% |
| Estoril Open: Tiago Torres vs Hugo Gaston Match O/U 22.5 | 50% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 2 O/U 9.5 | 50% |
| Estoril Open: Tiago Torres vs Hugo Gaston Match O/U 23.5 | 50% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 2 O/U 10.5 | 50% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set Handicap +/-1.5 | 48% |
| Estoril Open: Tiago Torres vs Hugo Gaston Total Sets: O/U 2.5 | 46% |
| Estoril Open: Tiago Torres vs Hugo Gaston Match O/U 21.5 | 34% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 2 Winner | 24% |
| Estoril Open: Tiago Torres vs Hugo Gaston | 7% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 1 Winner | 0% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 1 O/U 9.5 | 0% |
| Estoril Open: Tiago Torres vs Hugo Gaston Set 1 O/U 10.5 | 0% |
Market context
The Estoril Open quarter-final between Tiago Torres and Hugo Gaston is priced as a clear mismatch, with pre-match markets making Gaston a strong favourite and Torres a sizeable outsider. Tennis preview sites and odds boards put Gaston around 1.28–1.33, while Torres has traded nearer 3.0–3.5, which is broadly consistent with the market-implied view that the Frenchman advances in straight sets more often than not.[1][2][3][4][5][6]
That profile helps explain why a 7% yes price on Torres looks like a deep longshot rather than a neutral coin flip. Comparable tennis markets typically compress quickly when the favourite’s path is uncomplicated and the underdog has little tour-level pricing support, and the current line already embeds a high win probability for Gaston.[1][2][6] For a USDC-settled on-chain contract, the key distinction is not whether Gaston is favoured, but whether Torres can force an upset or whether the match fails to produce a standard winner before the settlement rules kick in.
Traders should watch the official Estoril schedule, any late draw changes, and whether the match is actually started and completed within the event window, because postponement or retirement outcomes can matter as much as form. If the fixture is delayed beyond seven days without a winner, the market resolves to 50-50 under the contract rules, so operational risk is real even in a lopsided match. In crypto terms, there is no obvious BTC/ETH macro linkage here, but short-dated prediction market liquidity can still move with broader USDC demand, venue updates, and any sharp pre-match money flow into the favourite’s side.
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.
- 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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