Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on BTC Prediction.
Active sub-markets
| Modena: Kaitlin Quevedo vs Laura Samson Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
| Modena: Kaitlin Quevedo vs Laura Samson Set 2 O/U 8.5 | 100% Over | 0% Under |
| Modena: Kaitlin Quevedo vs Laura Samson Set 2 O/U 9.5 | 100% Over | 0% Under |
| Modena: Kaitlin Quevedo vs Laura Samson Set 2 O/U 10.5 | 0% Over | 100% Under |
| Modena: Kaitlin Quevedo vs Laura Samson Set 1 Winner | 0% Quevedo | 100% Samson |
| Modena: Kaitlin Quevedo vs Laura Samson Set 1 O/U 8.5 | 100% Over | 0% Under |
Market context
Kaitlin Quevedo and Laura Samson are scheduled to meet in the opening rounds of the Modena tournament on 11 June 2026. The match carries a settlement window extending to 18 June, allowing a seven-day buffer for rescheduling or completion. Current crowd pricing at 0% YES reflects either extreme confidence in Samson's victory or minimal liquidity in the contract; given the absence of substantial on-chain volume data from major prediction exchanges, the probability likely reflects sparse trading rather than informed consensus.
Historical precedent from WTA qualifying and early-round matches shows that upsets occur frequently enough to warrant caution against extreme probabilities. Quevedo's career ranking and recent form relative to Samson will determine realistic odds; however, the 0% pricing suggests traders may be anchoring to Samson's seeding or recent results without accounting for surface preference or head-to-head history. Comparable matches on prediction markets typically settle between 35–65% when one player is favoured, making the current extreme reading a potential arbitrage signal if Quevedo possesses legitimate winning chances.
Traders should monitor the official WTA schedule for any cancellations or venue changes in the week preceding 11 June, as Italian tournaments occasionally face weather delays. USDC settlement mechanics on btc-prediction.bet mean that resolution depends on verified match outcome data; any dispute over retirement or incomplete play will trigger the 50-50 tie clause. Funding rates and whale positioning on other tennis markets may signal broader sentiment shifts that could inform this contract's repricing before the settlement window closes.
Methodology
This page reads Modena: Kaitlin Quevedo vs Laura Samson 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 for comparison. 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
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does it cost to trade on BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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