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 |
|---|---|
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Total Sets: O/U 3.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 2 O/U 8.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Match O/U 36.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 1 O/U 8.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set Handicap +/-1.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 1 O/U 9.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 3 O/U 8.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 4 O/U 8.5 | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 2 Winner | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 3 Winner | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 4 Winner | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken | 100% |
| Completed Match | 100% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Total Sets: O/U 4.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Match O/U 38.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Match O/U 40.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set Handicap +/-2.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 2 O/U 9.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 1 O/U 10.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 2 O/U 10.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 3 O/U 9.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 3 O/U 10.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 4 O/U 9.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 4 O/U 10.5 | 0% |
| Wimbledon ATP: Valentin Royer vs Harry Wendelken Set 1 Winner | 0% |
Market context
Valentin Royer and Harry Wendelken are set to face off in the first round of Wimbledon’s ATP tournament on Court 14 in London, with the match scheduled to begin at 10:00 UTC on 30 June 2026. The prediction market currently prices this contract at 100% YES for Royer advancing, reflecting an overwhelming on-chain consensus that he will win the tie.
Historically, when two players share identical career win totals and have no prior head-to-head record, markets often lean toward the player with stronger recent grass-court form. In this case, Royer’s last match in Eastbourne on grass suggests a tactical edge, while Wendelken’s recent results show inconsistency against top-tier opponents. Comparable cases from past Wimbledon draws indicate that such lopsided probabilities usually resolve only when one player is significantly favoured by surface adaptation or momentum.
Traders should monitor official ATP draw confirmations and any late injury announcements before the settlement window closes on 6 July 2026. A recent update from Tennis.com confirms the match is still listed as active, with no indication of cancellation or delay. Conditional tokens on Polygon will settle based on the official result, with USDC payouts executed automatically once the outcome is verified. Any deviation from the scheduled start time beyond seven days would trigger a 50-50 resolution, though current data suggests this is unlikely.
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
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?
- 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.
- 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.
- 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.
- 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 Wimbledon ATP: Valentin Royer vs Harry Wendelken on PolyGram
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