Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Match O/U 23.5 | 100% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 2 Winner | 100% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Total Sets: O/U 2.5 | 100% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Match O/U 21.5 | 100% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Match O/U 22.5 | 100% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 1 Winner | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 2 O/U 8.5 | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 2 O/U 9.5 | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 1 O/U 8.5 | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 1 O/U 9.5 | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 1 O/U 10.5 | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set Handicap +/-1.5 | 0% |
| Wimbledon WTA: Taylor Townsend vs Iga Swiatek Set 2 O/U 10.5 | 0% |
Market context
The real-world event is the first-round Wimbledon WTA match between Iga Świątek and Taylor Townsend, which concluded on 30 June 2026 with Świątek advancing 6:1, 2:6, 6:3. The market’s 0% YES probability for Townsend winning reflects the final result where the Polish player, ranked 3rd in the WTA, overcame the American, ranked 79th, to continue her title defence at SW19[1].
Historically, such lopsided probabilities in Grand Slam first rounds align with cases where a top-ranked defending champion faces a lower-ranked opponent on their preferred surface, as grass often amplifies the serve dominance of elite players like Świątek[1]. In comparable 2024 and 2025 Wimbledon first rounds, defending champions won over 90% of matches against opponents ranked below 50, making the current 0% figure a rational post-event settlement rather than a pre-match mispricing[1].
Traders approaching this programmatically should monitor official WTA schedule updates and injury reports, though the match is already completed, meaning no further catalysts exist to alter the outcome[3]. Recent coverage from Polsatsport.pl confirms Świątek’s victory and her progression to the second round, eliminating any ambiguity for conditional order execution or copy-trading bots that rely on definitive match results[1]. With the settlement window ending 2026-07-06, the market’s resolution is fixed, and no live data dependencies remain active.
Methodology
We track Wimbledon WTA: Taylor Townsend vs Iga Swiatek across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 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 Kalshi Fees 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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