The trader consensus reflected in the overwhelming 100% probability for "None" stems from the absence of a women's calendar Grand Slam since Steffi Graf in 1988, compounded by the modern WTA's depth and the unique challenges of mastering hard courts at the Australian Open and US Open, clay at the French Open, and grass at Wimbledon within one season. Physical toll from travel, recovery demands, and varying surface adaptations routinely disrupt even the most consistent performers, with top contenders like Aryna Sabalenka, Iga Swiatek, and Coco Gauff frequently splitting major titles. Elena Rybakina's slim 0.1% share follows her 2026 Australian Open victory, yet her lower clay success rate and the field's parity limit realistic paths forward. Only an unprecedented injury-free run across all four events by a single player could alter this positioning.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNone 100.0%
Aryna Sabalenka <1%
Elena Rybakina <1%
Naomi Osaka <1%
$1,588,945 Vol.
$1,588,945 Vol.
Dec 31, 2026
Aryna Sabalenka
No
Elena Rybakina
No
Naomi Osaka
No
Jessica Pegula
No
Elina Svitolina
No
Emma Raducanu
No
Victoria Azarenka
No
Other
No
Iga Swiatek
No
Coco Gauff
No
Amanda Anisimova
No
Jasmine Paolini
No
Belinda Bencic
No
Mirra Andreeva
No
Qinwen Zheng
No
None
Yes
None 100.0%
Aryna Sabalenka <1%
Elena Rybakina <1%
Naomi Osaka <1%
$1,588,945 Vol.
$1,588,945 Vol.
Dec 31, 2026
Aryna Sabalenka
$16,067 Vol.
No
Elena Rybakina
$75,719 Vol.
No
Naomi Osaka
$2,531 Vol.
No
Jessica Pegula
$9,616 Vol.
No
Elina Svitolina
$7,214 Vol.
No
Emma Raducanu
$2,207 Vol.
No
Victoria Azarenka
$5,668 Vol.
No
Other
$8,994 Vol.
No
Iga Swiatek
$13,662 Vol.
No
Coco Gauff
$3,269 Vol.
No
Amanda Anisimova
$4,009 Vol.
No
Jasmine Paolini
$2,853 Vol.
No
Belinda Bencic
$2,222 Vol.
No
Mirra Andreeva
$2,286 Vol.
No
Qinwen Zheng
$2,154 Vol.
No
None
$1,430,473 Vol.
Yes
This is a market to predict who will win a women's tennis Calendar Grand Slam in 2026.
This market resolves to the single woman player who wins the Women's Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Women's Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.
For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.
If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka does not win the 2026 Australian Open) this market will resolve immediately to "No".
If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None".
Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.
If any of the 2026 Grand Slam Women' Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.
The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.The trader consensus reflected in the overwhelming 100% probability for "None" stems from the absence of a women's calendar Grand Slam since Steffi Graf in 1988, compounded by the modern WTA's depth and the unique challenges of mastering hard courts at the Australian Open and US Open, clay at the French Open, and grass at Wimbledon within one season. Physical toll from travel, recovery demands, and varying surface adaptations routinely disrupt even the most consistent performers, with top contenders like Aryna Sabalenka, Iga Swiatek, and Coco Gauff frequently splitting major titles. Elena Rybakina's slim 0.1% share follows her 2026 Australian Open victory, yet her lower clay success rate and the field's parity limit realistic paths forward. Only an unprecedented injury-free run across all four events by a single player could alter this positioning.
This is a market to predict who will win a women's tennis Calendar Grand Slam in 2026.
This market resolves to the single woman player who wins the Women's Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Women's Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.
For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.
If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka does not win the 2026 Australian Open) this market will resolve immediately to "No".
If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None".
Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.
If any of the 2026 Grand Slam Women' Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.
The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.
This market resolves to the single woman player who wins the Women's Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Women's Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.
For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.
If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka does not win the 2026 Australian Open) this market will resolve immediately to "No".
If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None".
Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.
If any of the 2026 Grand Slam Women' Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.
The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.
Market Opened: Jan 6, 2026, 7:09 PM ET
Volume
$1,588,945End Date
Dec 31, 2026Market Opened
Jan 6, 2026, 7:09 PM ETResolver
0x2F5e3684c...Outcome proposed: Yes
No dispute
Final outcome: Yes
This is a market to predict who will win a women's tennis Calendar Grand Slam in 2026.
This market resolves to the single woman player who wins the Women's Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Women's Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.
For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.
If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka does not win the 2026 Australian Open) this market will resolve immediately to "No".
If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None".
Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.
If any of the 2026 Grand Slam Women' Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.
The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.The trader consensus reflected in the overwhelming 100% probability for "None" stems from the absence of a women's calendar Grand Slam since Steffi Graf in 1988, compounded by the modern WTA's depth and the unique challenges of mastering hard courts at the Australian Open and US Open, clay at the French Open, and grass at Wimbledon within one season. Physical toll from travel, recovery demands, and varying surface adaptations routinely disrupt even the most consistent performers, with top contenders like Aryna Sabalenka, Iga Swiatek, and Coco Gauff frequently splitting major titles. Elena Rybakina's slim 0.1% share follows her 2026 Australian Open victory, yet her lower clay success rate and the field's parity limit realistic paths forward. Only an unprecedented injury-free run across all four events by a single player could alter this positioning.
This is a market to predict who will win a women's tennis Calendar Grand Slam in 2026.
This market resolves to the single woman player who wins the Women's Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Women's Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.
For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.
If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka does not win the 2026 Australian Open) this market will resolve immediately to "No".
If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None".
Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.
If any of the 2026 Grand Slam Women' Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.
The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.
This market resolves to the single woman player who wins the Women's Singles titles at all four Grand Slam tournaments in 2026. The relevant 2026 Grand Slams are the Women's Singles tournaments in the 2026 Australian Open, French Open, U.S. Open, and Wimbledon.
For the purpose of this market, a tournament victory is valid regardless of whether the final was won via a walkover, a mid-match retirement, or a standard completed match.
If at any point it becomes impossible for a listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka does not win the 2026 Australian Open) this market will resolve immediately to "No".
If at any point it becomes impossible for any listed player to achieve a Calendar Grand Slam in 2026 (e.g. Sabalenka wins the 2026 Australian Open but loses in the first round of 2026 French Open) this market will resolve immediately to "None".
Otherwise, this market will resolve when the results of the final 2026 Grand Slam are official.
If any of the 2026 Grand Slam Women' Singles Tournaments are cancelled, postponed after December 31, 2026 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to “None”.
The primary resolution source for this market will be information from the organizers of the Grand Slam tournaments; however, a consensus of credible reporting may also be used.
Volume
$1,588,945End Date
Dec 31, 2026Market Opened
Jan 6, 2026, 7:09 PM ETResolver
0x2F5e3684c...Outcome proposed: Yes
No dispute
Final outcome: Yes
The trader consensus reflected in the overwhelming 100% probability for "None" stems from the absence of a women's calendar Grand Slam since Steffi Graf in 1988, compounded by the modern WTA's depth and the unique challenges of mastering hard courts at the Australian Open and US Open, clay at the French Open, and grass at Wimbledon within one season. Physical toll from travel, recovery demands, and varying surface adaptations routinely disrupt even the most consistent performers, with top contenders like Aryna Sabalenka, Iga Swiatek, and Coco Gauff frequently splitting major titles. Elena Rybakina's slim 0.1% share follows her 2026 Australian Open victory, yet her lower clay success rate and the field's parity limit realistic paths forward. Only an unprecedented injury-free run across all four events by a single player could alter this positioning.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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Frequently Asked Questions