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Last refreshed: March 19, 2026 at 12:37 AM UTC

Event FAQ

Who is favoured to win Who will win a women's Calendar Grand Slam in 2026??
Current market favourites are no player 98%, Elena Rybakina 2%, Iga Swiatek 0% based on live Yes probabilities across the event board.
How many prediction markets are in Who will win a women's Calendar Grand Slam in 2026??
16 live prediction markets are currently linked to Who will win a women's Calendar Grand Slam in 2026?.
When does Who will win a women's Calendar Grand Slam in 2026? resolve?
Who will win a women's Calendar Grand Slam in 2026? is currently scheduled to resolve around December 31, 2026 at 11:55 PM UTC.
What does the percentage mean in Who will win a women's Calendar Grand Slam in 2026? markets?
The percentage is the market-implied probability from the live Yes price. It reflects the current consensus estimate traders are pricing into the contract, not a guaranteed outcome.

Source

Polymarket CLOB API

Last refreshed

March 19, 2026 at 12:37 AM UTC

Ranking logic

/research/methodology

Data caveat

Thin books and wide spreads can distort price precision

Back to events
Who will win a women's Calendar Grand Slam in 2026?

Who will win a women's Calendar Grand Slam in 2026?

WTATennis

Probability

97.85%97.85¢

Basis: MID

Resolves

287d 23h

Best Bid

97.6¢

Best Ask

98¢

Spread

0.4%

Depth @2%

$152.4K

Last Update

1d ago

Data Age

184s

Price History

Markets in this event (16)

Will no player win a Calendar Grand Slam in 2026?

97.85¢-<0.1%

Will Iga Swiatek win a Calendar Grand Slam in 2026?

100¢-0.5%

Will Elena Rybakina win a Calendar Grand Slam in 2026?

98.4¢-0.3%

Will Coco Gauff win a Calendar Grand Slam in 2026?

100¢-0.3%

Will Naomi Osaka win a Calendar Grand Slam in 2026?

100¢-0.4%

Will Amanda Anisimova win a Calendar Grand Slam in 2026?

100¢-2.0%

Will Jessica Pegula win a Calendar Grand Slam in 2026?

100¢-0.2%

Will Jasmine Paolini win a Calendar Grand Slam in 2026?

100¢-0.5%

Will Aryna Sabalenka win a Calendar Grand Slam in 2026?

100¢-7.0%

Will Belinda Bencic win a Calendar Grand Slam in 2026?

100¢-0.4%

Will Emma Raducanu win a Calendar Grand Slam in 2026?

100¢-0.2%

Will Mirra Andreeva win a Calendar Grand Slam in 2026?

100¢-0.3%

Will Victoria Azarenka win a Calendar Grand Slam in 2026?

100¢-0.2%

Will Qinwen Zheng win a Calendar Grand Slam in 2026?

100¢-0.3%

Will another player win a Calendar Grand Slam in 2026?

100¢-0.1%

Will Elina Svitolina win a Calendar Grand Slam in 2026?

100¢-0.3%

Liquidity & Microstructure

24h Volume

$19

Total Volume

$1.2M

Liquidity

$417.3K

Markets

16

View on Polymarket