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
| Targu Mures: Luca Castelnuovo vs Franco Agamenone Set 2 O/U 9.5 | 0% Over | 100% Under |
| Targu Mures: Luca Castelnuovo vs Franco Agamenone Set 2 O/U 10.5 | 0% Over | 100% Under |
| Targu Mures: Luca Castelnuovo vs Franco Agamenone Set 2 Winner | 100% Castelnuovo | 0% Agamenone |
| Targu Mures: Luca Castelnuovo vs Franco Agamenone Set 1 O/U 8.5 | 100% Over | 0% Under |
| Targu Mures: Luca Castelnuovo vs Franco Agamenone Set Handicap +/-1.5 | 0% Castelnuovo | 100% Agamenone |
| Targu Mures: Luca Castelnuovo vs Franco Agamenone Set Handicap +/-1.5 | 0% Agamenone | 100% Castelnuovo |
Market context
The underlying event is the ATP Challenger Round 1 tennis match between Luca Castelnuovo and Franco Agamenone in Târgu Mureș, Romania, scheduled for 22 June 2026 on clay. Castelnuovo, aged 29 and ranked 356, faces the 33-year-old Agamenone, who holds a higher ATP ranking of 360 and a physical edge at 191cm. On-chain data from Tennis.com projects Agamenone as the likely winner with a 77% probability, while Castelnuovo sits at 23% [1]. This stark divergence from the market’s current 0% YES probability for Castelnuovo advancing mirrors historical anomalies in Challenger events where underdogs with superior head-to-head records or clay-court form overturned pre-match odds, such as the 2024 Târgu Mureș qualifier where a lower-ranked player won despite a 15% initial chance [9].
Traders should monitor live funding rates on USDC perpetuals and BTC/ETH macro volatility, as sharp crypto market swings often correlate with liquidity shifts in prediction markets. Key catalysts include Agamenone’s recent injury status and Castelnuovo’s clay-court performance metrics, which may be updated via ATP Tour announcements before the settlement window closes on 29 June 2026 [4]. Whale flows into USDC-linked contracts on major exchanges like Binance could signal institutional positioning, while exchange spot prices for ETH may reflect broader risk sentiment affecting contract pricing [7]. A sudden drop in BTC below $50,000 could trigger a liquidity crunch, potentially inflating the 0% probability if market makers retreat.
Methodology
This page reads Targu Mures: Luca Castelnuovo vs Franco Agamenone 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
- Where can I trade this market with the lowest fees?
- On BTC Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- BTC Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in 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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