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MARKET RESOLVEDKalshi / Novig / Polymarket / ProphetX

Botic Van De Zandschulp Wins: Valentin Royer vs. Botic Van De Zandschulp

ATP·Resolved 2026-09-28

This market resolved on 2026-09-28. Botic Van De Zandschulp was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Valentin Royer vs.

Valentin Royer vs. Botic Van De Zandschulp: ATP Tennis match held on 2026-09-28. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities

Learn more:How to Read Prediction Market Prices Compare Fees Before You Trade New to Polymarket?

Market RulebooksOfficial settlement criteria and edge cases

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

Rules for Candidate:

Kalshi

Primary Rule

If Valentin Royer wins the Van de Zandschulp vs Royer professional tennis match in the 2026 ATP Beijing Qualification Round 1 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Van de Zandschulp vs Royer professional tennis match in the 2026 ATP Beijing Qualification Round 1 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). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles

Kalshi Rules

Novig

Primary Rule

Valentin Royer in Valentin Royer @ Botic Van De Zandschulp 1st Qualifying Round (ATP); settled by Novig.

Polymarket

Primary Rule

This market refers to the tennis match between Botic van de Zandschulp and Valentin Royer in the China Open, Qualification, originally scheduled for September 28, 2026 at 3:30AM ET. This market will resolve to 'Botic van de Zandschulp' if Botic van de Zandschulp advances against Valentin Royer. This market will resolve to 'Valentin Royer' if Valentin Royer advances against Botic van de Zandschulp. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 2026, 11:59 PM ET (14 days after the scheduled start), 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

ProphetX

Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles

ProphetX Rules

Frequently Asked Questions

What does the Valentin Royer vs. Botic Van De Zandschulp prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Novig, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.

What were the last available Valentin Royer vs. Botic Van De Zandschulp odds?

The last available prices are Botic Van De Zandschulp: 99.0¢ on Kalshi, 99.9¢ on Polymarket, 99.5¢ on ProphetX, 60.0¢ on Novig; Valentin Royer: 1.0¢ on Kalshi, 99.9¢ on Polymarket, 99.4¢ on ProphetX, 41.5¢ on Novig. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity. The last available price is not necessarily the final settlement price.

Why do Valentin Royer vs. Botic Van De Zandschulp odds vary across prediction markets?

The largest price difference shown across venues is 98.9 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Valentin Royer vs. Botic Van De Zandschulp prediction market payouts work?

For example, Botic Van De Zandschulp at 80.0¢ implies about a 80.0% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.

Candidate
Botic Van De ZandschulpWINNER	99%	60%	100%	100%
Valentin Royer	1%	42%	100%	99%

Botic Van De Zandschulp Wins: Valentin Royer vs. Botic Van De Zandschulp

About This Market

Price History

Botic Van De Zandschulp Wins: Valentin Royer vs. Botic Van De Zandschulp

About This Market

Price History

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Final Closing Odds

Resolution Oracles

Frequently Asked Questions

Botic Van De Zandschulp Wins: Valentin Royer vs. Botic Van De Zandschulp

About This Market

Price History

Botic Van De Zandschulp Wins: Valentin Royer vs. Botic Van De Zandschulp

About This Market

Price History

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Who will be UFC Middleweight champion at the end of 2026?

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Final Closing Odds

Resolution Oracles

Market Rulebook: Valentin Royer vs. Botic Van De Zandschulp

Frequently Asked Questions