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% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 1 O/U 8.5 | 100% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 2 O/U 8.5 | 100% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 2 O/U 9.5 | 100% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set Handicap +/-1.5 | 100% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 1 Winner | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Total Sets: O/U 2.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 2 Winner | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Match O/U 21.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set Handicap +/-1.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 1 O/U 9.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Match O/U 22.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 1 O/U 10.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Match O/U 23.5 | 0% |
| Cordenons: Andrej Nedic vs Enrico Dalla Valle Set 2 O/U 10.5 | 0% |
Market context
Andrej Nedic and Enrico Dalla Valle are set to face off in the opening round of the Serena Wines 1881 Acqua Maniva Tennis Cup in Cordenons, a Challenger event originally scheduled for 13 July 2026. The match determines which player advances to the next stage, with the prediction market resolving to the winner of this contest. Current odds from bookmakers favour Dalla Valle at 1.78 against Nedic’s 1.90, while Tennis Tonic projects a three-set victory for the Italian [1].
The market’s 0% implied probability for Nedic winning appears extreme given the near-even betting odds and a 51% projected win rate from tennis.com’s algorithm [3]. Comparable Challenger matches in 2025–2026 with similar odds spreads rarely saw one side priced at zero unless the match was abandoned or a player withdrew before play. In such cases, on-chain prediction markets on btc-prediction.bet typically settle to 50-50 if the contest is not completed, reflecting the contract’s built-in tie clause.
Traders should monitor the official tournament schedule for any delay or cancellation notices, as the settlement window extends to 20 July 2026. A delay beyond seven days without a winner triggers the 50-50 resolution, which could create arbitrage opportunities if BTC or ETH funding rates shift sharply ahead of the deadline. Recent whale flows into USDC-stable prediction contracts suggest heightened sensitivity to tennis-related settlement risks, particularly when macro volatility in crypto markets coincides with live sporting events [1].
Methodology
This page reads Cordenons: Andrej Nedic vs Enrico Dalla Valle 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
- 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.
- 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.
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