Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 1 O/U 8.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 1 Winner | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Total Sets: O/U 2.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Match O/U 21.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 2 O/U 8.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Match O/U 22.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 2 O/U 9.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Match O/U 23.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 2 O/U 10.5 | 100% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva | 0% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 2 Winner | 0% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 1 O/U 9.5 | 0% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set Handicap +/-1.5 | 0% |
| Hamburg European Open: Sara Sorribes Tormo vs Alina Charaeva Set 1 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, hamburg european open: sara sorribes tormo vs alina charaeva stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Sara Sorribes Tormo and Alina Charaeva in the Hamburg European Open, originally scheduled for July 21, 2026 at 4:00AM ET. This marke…
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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