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Live prediction market odds for Harry Wendelken vs. Valentin Royer. Compare prices across Kalshi and Polymarket.

Kalshi

Kalshi

4.9
Sign-up bonus

Trade $20, get $20

Sign-up bonus on Kalshi. T&Cs apply.

Claim offerLegal in USAVerified Jun 17, 2026Last used 14 mins ago2 min avg claim

Kalshi / Polymarket

Harry Wendelken vs. Valentin Royer

2026-06-30

About This Market

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Harry Wendelken vs. Valentin Royer — ATP Tennis match scheduled for 2026-06-30. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Valentin Royer leads the “Harry Wendelken vs. Valentin Royer” event at 54.5% implied probability, followed by Harry Wendelken at 45.5%. Platforms are tightly aligned at a 1.0% spread.

Price History

Multi-Platform Probabilities
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Kalshi

Kalshi

4.9
Sign-up bonus

Trade $20, get $20

Sign-up bonus on Kalshi. T&Cs apply.

Claim offerLegal in USAVerified Jun 17, 2026Last used 14 mins ago2 min avg claim

Live Markets

2 platforms
VR
Valentin Royer
54% Avg
Kalshi55¢
Polymarket54¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
54.5%54¢55¢45¢46¢
PolymarketPolymarket
53.5%53¢54¢46¢47¢
HW
Harry Wendelken
46% Avg
Kalshi46¢
Polymarket47¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
45.5%45¢46¢54¢55¢
PolymarketPolymarket
46.5%46¢47¢53¢54¢

Frequently Asked Questions

What is "Harry Wendelken vs. Valentin Royer" and why does it matter?

Harry Wendelken vs. Valentin Royer is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Valentin Royer leads at 55% implied probability, making it the market favorite. Other contenders include Harry Wendelken at 46%.

What is moving the odds on "Harry Wendelken vs. Valentin Royer"?

Valentin Royer currently leads at 55% implied probability. Behind Valentin Royer, Harry Wendelken at 46% are the next closest contenders. Platforms were tightly aligned at a 1.0% spread, suggesting broad consensus on the odds.

What are the current odds for "Harry Wendelken vs. Valentin Royer" across platforms?

Here are the latest odds across Kalshi, Polymarket: Valentin Royer: 55¢ on Kalshi, 54¢ on Polymarket. Harry Wendelken: 45¢ on Kalshi, 46¢ on Polymarket. Platforms are tightly aligned at a 1.0% spread, leaving little room for cross-platform arbitrage.

What does it mean that Valentin Royer is at 55%?

A price of 55¢ means the market estimates a 55% probability that Valentin Royer will be the outcome. Buying one share at 55¢ pays out $1.00 if correct — a 82% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.

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Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
Read Full Market Rulebooks
Stats
Spread1.0%
Platforms2
Candidates2
Leader

Valentin Royer

54.5% avg

Market Rulebook: Harry Wendelken vs. Valentin Royer

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.

KalshiKalshi
Primary Rule

If Harry Wendelken wins the Royer vs Wendelken professional tennis match in the 2026 Wimbledon Men Singles Round Of 128 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Royer vs Wendelken professional tennis match in the 2026 Wimbledon Men Singles Round Of 128 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).

Resolution Oracles
Kalshi Rules
PolymarketPolymarket
Primary Rule

This market refers to the tennis match between Valentin Royer and Harry Wendelken in the Wimbledon ATP, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Valentin Royer' if Valentin Royer advances against Harry Wendelken. This market will resolve to 'Harry Wendelken' if Harry Wendelken advances against Valentin Royer. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources
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