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 |
|---|---|
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 1 O/U 8.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 2 Winner | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 2 O/U 8.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 1 O/U 9.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 2 O/U 9.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 2 O/U 10.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Total Sets: O/U 2.5 | 50% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Match O/U 21.5 | 50% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set Handicap +/-1.5 | 50% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Match O/U 22.5 | 50% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Match O/U 23.5 | 50% |
| Completed Match | 0% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 1 Winner | 0% |
| Hamburg European Open: Tamara Korpatsch vs Victoria Jimenez Kasintseva Set 1 O/U 10.5 | 0% |
Market context
Tamara Korpatsch and Victoria Jimenez Kasintseva met in the Hamburg European Open round of 32, with the live scoreline showing Korpatsch ahead at 4–1 in the deciding set when results were last updated. A completed match result later listed Korpatsch winning 2–1, which matters for this market because the contract resolves on who advances rather than on pre-match expectations.[2][3]
The current **100% YES** crowd price is far stronger than the pre-match modelling, which had Korpatsch only as a moderate favourite at about 62% to 67% before play began.[1][4] That kind of gap usually reflects either the market already incorporating the completed result or traders treating the event as effectively settled; in a USDC-settled prediction market, the key question is not rating theory but whether the match was actually completed inside the settlement rules.
For traders watching the mechanics, the main catalyst is administrative rather than performance-based: whether the official Hamburg draw, scoreboard, and result feed confirm a winner before the seven-day delay threshold in the contract expires. If the match is already recorded as finished, settlement should follow the published result; if there were a cancellation, abandonment, or prolonged postponement, the market would instead move to the 50-50 fallback. Wider crypto conditions are secondary here, though USDC liquidity and any sharp moves in BTC or ETH can still affect how quickly the market reprices once a result feed is updated.
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.
- 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 does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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