
Polymarket shows market prices. Foretrace adds AI probability estimates, opposing evidence and a price-dependent outcome or pass decision for each open market.
Sampled market observations, not AI forecasts. Lines connect available observations. Legend values are current provider quotes; chart points may be older.
These are market-implied probabilities, not AI forecasts. A displayed quote may differ from the price available for your order.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
This market is closed. Its historical data remains available.
How research worksThis market will resolve according to the winner of the 2026 Sinquefield Cup, currently scheduled for August 8, 2026 to August 21, 2026. If this tournament is postponed after September 4, 2026, 11:59 PM ET, canceled, or a winner has not been declared within this timeframe, this market will resolve to "Other." If multiple players are declared winner, this market will resolve in favor of the player whose listed last name comes first alphabetically. The resolution source for this market will be official information from the tournament organizer, the Grand Chess Tour (https://grandchesstour.org/tours/2026/tournaments/2026-sinquefield-cup/); however, a consensus of credible reporting may also be used.
Retrieved 10/4/2026, 2:18:24 AM UTC. Provider data is cached for up to 60 seconds. The upstream quote timestamp can be older.