Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Diane Parry has already taken a lead in Strasbourg’s recent results, while Shuai Zhang was still on court trying to turn around her opening match when the round-of-16 meeting was set up. That makes the live setup more informative than the pre-match label: Parry arrived with a six-match winning run after winning a WTA 125 title in Paris last week, then beat Emma Raducanu in straight sets in Strasbourg. Zhang, by contrast, needed a comeback against Cristina Bucsa, recovering from a set down and a tiebreak. The crowd-implied 0% YES price points to an extreme read, but the form line and recent clay results do not support a true no-chance profile.
For context, the most useful comparables are players arriving with momentum versus a lower-seeded opponent on clay, where recent match load and surface rhythm often matter more than ranking alone. Parry’s run has been built on match fitness and confidence in tight sets, including a tiebreak win over Raducanu. Zhang’s Strasbourg win showed resilience, but also a higher variance path, which is relevant because longer, uneven matches can leave less margin in a quick turnaround. The head-to-head page from Tennis Tonic also frames this as a live matchup rather than a mismatched one, with the outcome sensitive to who starts better on return and in first-serve points.
The main catalysts now are scheduling and completion status. If play goes ahead as planned and a winner is reached on court, the market should resolve normally; if the match is postponed, interrupted, or not completed within the settlement window, the tie/50-50 rules become relevant. Watch the official WTA and Strasbourg feeds for order-of-play changes, court assignment, and any injury or retirement updates, alongside live scoring sources such as Flashscore. WTA’s match report on Zhang’s win over Parry, published after the result, also confirms the clay-court context and that the pair were meeting in a round-of-16 setting at this event.
Methodology
We track Internationaux de Strasbourg: Shuai Zhang vs Diane Parry on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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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