Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter | 100% |
| Completed Match | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 2 Winner | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 1 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Total Sets: O/U 2.5 | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Match O/U 21.5 | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Match O/U 22.5 | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Match O/U 23.5 | 100% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 1 Winner | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 2 O/U 8.5 | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set Handicap +/-1.5 | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 1 O/U 9.5 | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 2 O/U 9.5 | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set Handicap +/-1.5 | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 1 O/U 10.5 | 0% |
| Mubadala Citi DC Open: Ashlyn Krueger vs Katie Boulter Set 2 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, mubadala citi dc open: ashlyn krueger vs katie boulter stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Ashlyn Krueger and Katie Boulter in the Mubadala Citi DC Open, originally scheduled for July 27, 2026 at 10:00AM ET. This market wil…
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 Polymarket Alternative UK. 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 Polymarket Alternative UK 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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