Arthur Rinderknech vs Stefanos Tsitsipas
Prices as of 21:36 UTC on Jul 16, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.
Curious how long a gap like this stays open? We measured it.
Fri 4:00 AM ET
Illustrative shape drawn from current prices; the live intraday line wires in next.
Moneyline
How this settles
SpreadRead each venue's rules
Kalshi
The following market refers to the Rinderknech vs Tsitsipas professional tennis match in the 2026 ATP Gstaad Quarterfinal 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.
Polymarket
This market refers to the tennis match between Arthur Rinderknech and Stefanos Tsitsipas in the Swiss Open, originally scheduled for July 17, 2026 at 4:00AM ET. This market will resolve to 'Arthur Rinderknech' if Arthur Rinderknech advances against Stefanos Tsitsipas. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Arthur Rinderknech. 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.
Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. How the market matching API works · Real-time WebSocket API docs. Feed reference DINO-XKQZ7-9182.