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 |
|---|---|
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 1 O/U 8.5 | 100% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 1 O/U 9.5 | 100% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 1 O/U 10.5 | 100% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 2 Winner | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Total Sets: O/U 2.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Match O/U 21.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 2 O/U 8.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set Handicap +/-1.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Match O/U 22.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 2 O/U 9.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set Handicap +/-1.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 2 O/U 10.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Match O/U 23.5 | 50% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud | 0% |
| Completed Match | 0% |
| ITF Denia: Hernan Casanova vs Carlos Lopez Montagud Set 1 Winner | 0% |
Market context
Hernan Casanova is facing Carlos Lopez Montagud in an ITF Men’s Denia match scheduled for 24 July 2026, with this market set to resolve on whether Casanova advances. The crowd-implied 0% YES level implies the contract is pricing in either a strong expectation that the listed outcome is already effectively over, or a stale market with little active liquidity left; in either case, the on-chain USDC settlement means the final trigger is still the official match result, not the live price.
For context, tennis markets at this level often move sharply on draw updates, walkovers, retirements, or late withdrawals rather than on subtle form edges. Comparable ITF contracts can resolve on partial-match conditions if the exchange’s rules define advancement from a set state, so traders typically watch the event feed, official tournament order of play, and any rescheduling notice more closely than pre-match chatter. When the spread is this one-sided, the main risk is not a marginal performance swing but a procedural change that flips the settlement path.
The catalysts now are straightforward: whether the match starts on time, whether either player is withdrawn, and whether the result is recorded cleanly before the 7-day delay threshold that would push settlement to 50-50. In a crypto-native market, broader BTC and ETH moves can still matter at the margin through risk appetite and collateral behaviour, but for this contract the dominant driver is tournament administration, not macro. If there is any last-minute delay, the exchange’s official market state will matter more than price discovery elsewhere.
Sources: 1
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.
- 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.
- 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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