Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 1 Winner | 100% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 1 O/U 8.5 | 100% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 1 O/U 9.5 | 100% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 1 O/U 10.5 | 100% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Match O/U 23.5 | 76% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Match O/U 21.5 | 75% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Match O/U 22.5 | 75% |
| Completed Match | 50% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Total Sets: O/U 2.5 | 50% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 2 O/U 8.5 | 50% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 2 O/U 9.5 | 50% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 2 O/U 10.5 | 50% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito | 37% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set Handicap +/-1.5 | 25% |
| The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito Set 2 Winner | 4% |
Market context
The Memphis Classic qualifying match between **Yexin Ma and Aoi Ito** is being priced by Polymarket at **36% YES** on the USDC/Polygon contract, which implies the market is leaning to Ma advancing but still leaves Ito with the clearer market share of the probabilities on offer. In practice, the contract settles on the on-chain conditional token outcome tied to which player advances, with the usual fallback to 50-50 if the match is not played, ends level, or is delayed beyond the resolution window without a winner.
That 36% sits well below a comparable market snapshot elsewhere, where the same matchup was shown at **53.51% YES** and **54.84% YES** on PeoplesOdds, suggesting either a timing gap, different liquidity, or a sharper repricing in one venue than the other. For traders, the key read-through is that this is not a dominant favourite price: the market is still close enough to a coin-flip that small information shocks can matter more than broad pre-match narratives.
The main catalysts are straightforward: official draw and order-of-play updates, any late schedule slippage, and the actual match result if play starts but is interrupted. Because the settlement window runs to **2026-08-02T16:00:00Z**, any cancellation, no-show, or delay beyond seven days from the scheduled date would force the market into its fallback logic rather than a normal player-wins resolution. In a USDC-settled, Polygon-based market, that makes timing and tournament administration as important as the tennis itself.
Sources: 1
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 Polymarket Qué Es, 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 Polymarket Qué Es 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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