Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek | 100% |
| Completed Match | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Total Sets: O/U 2.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Match O/U 21.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 1 Winner | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 2 O/U 8.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Match O/U 22.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Match O/U 23.5 | 100% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 2 Winner | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 1 O/U 8.5 | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set Handicap +/-1.5 | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 1 O/U 9.5 | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 2 O/U 9.5 | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set Handicap +/-1.5 | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 1 O/U 10.5 | 0% |
| Hamburg European Open: Tamara Korpatsch vs Julia Stusek Set 2 O/U 10.5 | 0% |
Market context
Tamara Korpatsch and Julia Stusek have already played their Hamburg Open round-of-16 match, and the result is now settled: Korpatsch won in three sets, 6-0, 3-6, 6-3.[2][3] That makes the market’s current **100% YES** crowd read consistent with the live event state, rather than a genuine pre-match pricing call.[1][2]
The useful comparison is with other tennis markets that can look “locked” once a result is posted but still depend on whether the contest is officially completed. Here, the match was completed on the day it was scheduled, which removes the main sources of ambiguity that can force a 50-50 settlement in prediction markets: cancellation, a tie, or a delay past the market’s window without a winner.[2][3]
For traders, the only real catalysts now are administrative: whether the market operator confirms the official tournament result and whether any late correction, retirement notation, or scoring adjustment appears in the event feed before the settlement window closes.[1][2] The Hamburg Open’s own report had framed this as a German all-round-of-16 meeting between the 18-year-old Stusek and local favourite Korpatsch, so there is no remaining schedule dependency unless an official record is amended.[4]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- 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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