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 |
|---|---|
| Completed Match | 100% |
| Warsaw: Alana Smith vs Yue Yuan Set 2 O/U 8.5 | 100% |
| Warsaw: Alana Smith vs Yue Yuan Set 2 O/U 9.5 | 100% |
| Warsaw: Alana Smith vs Yue Yuan Set Handicap +/-1.5 | 100% |
| Warsaw: Alana Smith vs Yue Yuan | 0% |
| Warsaw: Alana Smith vs Yue Yuan Total Sets: O/U 2.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set 1 Winner | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set 2 Winner | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set 1 O/U 8.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Match O/U 21.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set Handicap +/-1.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set 1 O/U 9.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Match O/U 22.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set 1 O/U 10.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Match O/U 23.5 | 0% |
| Warsaw: Alana Smith vs Yue Yuan Set 2 O/U 10.5 | 0% |
Market context
Polymarket is pricing **Yue Yuan** as the overwhelming side, with the contract sitting at **0% YES** for Alana Smith and therefore implying an almost complete market belief that Smith will not advance. On Polymarket, holders of USDC on Polygon are effectively buying or selling conditional tokens on whether the listed outcome resolves, so the price is best read as the market’s current view of the probability that Smith gets through the match rather than a pure forecast of who is the better player.
That caution matters because Smith is not a total unknown: the US player has a career-high WTA singles ranking of No. 291 and a long ITF résumé, but her recent record has been mixed and multiple data feeds show her sitting well outside the top tier, around the 300s to 400s in singles. A 0% quote usually reflects a very strong imbalance in information, liquidity, or model confidence rather than certainty on court, especially in lower-profile WTA events where prices can move sharply on late draw, fitness, or travel news.
For traders, the main catalysts are straightforward: confirmation that the match is actually staged in Warsaw, any last-minute schedule change, and whether either player withdraws, retires, or receives a walkover before completion. If the match is not played at all, ends level, or slips beyond the seven-day delay rule, the market resolves 50-50 under the contract terms; if play starts and one player advances after an in-match retirement or default, that still resolves to the advancing player. That makes official tournament order-of-play updates, draw amendments, and live score feeds the key dependencies to watch into the settlement window.
Methodology
This page reviews Warsaw: Alana Smith vs Yue Yuan across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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
- 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 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.
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