Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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: Alex de Minaur vs Cruz Hewitt Set 1 Winner | 100% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt | 98% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 2 Winner | 93% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set Handicap +/-1.5 | 75% |
| Completed Match | 50% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 2 O/U 8.5 | 50% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 2 O/U 9.5 | 50% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 2 O/U 10.5 | 50% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Match O/U 21.5 | 25% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Match O/U 22.5 | 25% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Match O/U 23.5 | 25% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Total Sets: O/U 2.5 | 9% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 1 O/U 8.5 | 0% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 1 O/U 9.5 | 0% |
| Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt Set 1 O/U 10.5 | 0% |
Market context
Polymarket is pricing **Alex de Minaur** at about **91%** to advance over Cruz Hewitt, so the contract is trading as a strong favourite rather than a coin-flip. In practical terms, buyers are paying USDC on Polygon for conditional tokens that settle on whether de Minaur or Hewitt is the player who advances, with the market resolving to 50-50 only if the match is not played, ends level, or drifts beyond the seven-day delay rule.
That pricing is broadly consistent with outside tennis markets, which have made de Minaur a heavy favourite all week. Pre-match odds were around -1400 to -1408 for de Minaur, implying a win probability in the low 90s, while model-based previews have ranged from roughly 86% to 93% in his favour.[1][2][5][12] The key context is that Hewitt is making a notable ATP main-draw step-up, but the market is still anchored to de Minaur’s experience, ranking edge and hard-court consistency.[1][3][4]
For traders, the main catalysts are basic rather than dramatic: the match order, any late schedule shift, and whether play starts cleanly before the settlement deadline. Live tennis markets can reprice fast if a match is moved, suspended by weather, or interrupted after it begins, because the Polymarket contract only pays out once an advance is determined under the event rules. Recent previews have treated de Minaur as the defending champion and expected winner, which is why the crowd has kept the YES side near 90% even with Hewitt drawing some interest as a local upset angle in the draw.[2][6][17]
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 Kalshi UK, 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 Kalshi 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi 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.
Trade Mubadala Citi DC Open: Alex de Minaur vs Cruz Hewitt on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →