Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) 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 |
|---|---|
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas | 100% |
| Completed Match | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 2 O/U 8.5 | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 1 O/U 8.5 | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 2 Winner | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Match O/U 21.5 | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Total Sets: O/U 2.5 | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Match O/U 22.5 | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Match O/U 23.5 | 100% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 1 Winner | 0% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 2 O/U 9.5 | 0% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 1 O/U 9.5 | 0% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set Handicap +/-1.5 | 0% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 2 O/U 10.5 | 0% |
| Mubadala Citi DC Open, Qualification: Mackenzie McDonald vs Edas Butvilas Set 1 O/U 10.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to mubadala citi dc open, qualification: mackenzie mcdonald vs edas butvilas. This market refers to the tennis match between Mackenzie McDonald and Edas Butvilas in the Mubadala Citi DC Open, Qualification, originally scheduled for July 25, 2026 at 2:30PM ET. This market will …
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 Best Prediction Markets, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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 Best Prediction Markets 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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