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 | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
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
Yexin Ma and Aoi Ito are the two players in this Memphis Classic qualifying match, and Polymarket is pricing the contract at **34% YES** for Ma to advance, against a recent external market reading closer to the mid-50s on a comparable listing.[1] Because the contract settles on who advances, not simply who starts, the relevant on-chain position is held through Polygon conditional tokens funded in USDC, so a retirement, cancellation, or long delay can still matter as much as the opening line.
That 34% implies the market is treating Ma as an underdog, but not an extreme one; in tennis qualifiers, that kind of price often reflects a blend of draw strength, recent form, and uncertainty over which player will control the match tempo. Comparable market pricing elsewhere has put Ma versus Ito above 50% for Ma, which suggests traders are likely disagreeing on how much weight to give surface fit, recent results, or any pre-match information that has not fully propagated into the market yet.[1]
The main catalysts to watch are the official start status, any late withdrawal or medical update, and whether the match is completed rather than merely begun, because that directly affects whether the contract resolves to a winner or the 50-50 fallback. With the settlement window running to 2026-08-02T16:00:00Z, a trader would also watch tournament scheduling and any rescheduling beyond seven days from the original slot, since that would trigger the market’s neutral outcome rather than a side-specific win.
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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 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.
Trade The Memphis Classic, Qualification: Yexin Ma vs Aoi Ito on PolyGram
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