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% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 2 O/U 8.5 | 100% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set Handicap +/-1.5 | 100% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 1 Winner | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 2 Winner | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Match O/U 21.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set Handicap +/-1.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Total Sets: O/U 2.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 1 O/U 8.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 2 O/U 9.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Match O/U 22.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 1 O/U 9.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 2 O/U 10.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Match O/U 23.5 | 0% |
| Croatia Open: Kyrian Jacquet vs Marco Trungelliti Set 1 O/U 10.5 | 0% |
Market context
The Croatia Open tennis tournament will host a first-round match between Kyrian Jacquet and Marco Trungelliti on 13 July 2026. Jacquet, a French player ranked outside the top 200, faces Trungelliti, an Argentine journeyman competitor with limited ATP-level success. The match carries a 0% implied probability for Jacquet's advancement on-chain, suggesting either heavy backing for Trungelliti or minimal liquidity depth in the contract at settlement.
Historical ATP Challenger and lower-tier tournament matchups between players of this ranking tier show volatile outcomes, particularly when one competitor holds recent momentum from qualifying rounds. Trungelliti's career record against similarly ranked opponents provides limited predictive value; such contests often turn on court conditions, serve consistency, and mental resilience rather than seeding differentials. The 0% reading likely reflects either sparse order book depth or concentrated positioning rather than consensus certainty, a pattern common in niche tennis markets where volume concentrates around higher-profile fixtures.
Traders should monitor official Croatia Open draw confirmations and any late withdrawals through the ATP's official schedule updates, typically finalised 48 hours before play. Court surface conditions—the event uses clay—favour baseline consistency over serve-and-volley tactics, potentially benefiting the player with superior movement. Settlement occurs 20 July 2026; any match postponement beyond seven days from the scheduled date triggers a 50-50 resolution. USDC settlement mechanics mean position holders should verify exchange liquidity at resolution time, particularly if the match extends to a third-set decider affecting payout timing.
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.
- 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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