PolymarketResolved

Set 1 Winner: Kayla Day vs Kimberly Birrell

Kimberly Birrell50%

Kayla Day50%

Price has not been independently checked yet.

This market has settled. The prices shown are final.

Trade

Set your country to see where you can trade.Set your country

Opens the venue in a new tab, through Predxy.

24h volume—

7d volume—

30d volume—

Liquidity—

Spread1%

ResolvesOct 27, 2026in 2 days

Probability history

Market-implied probabilities · All recorded history

Drag to move · pinch or ⌘/Ctrl+scroll to zoom

Shaded periods have no successful hourly price check.

Based on this market’s outcome prices, expressed as probabilities.

Resolution rules

This market refers to the tennis match between Kayla Day and Kimberly Birrell in the Japan Women's Open, originally scheduled for October 20, 2026 at 1:30AM ET. This market will resolve to “Kayla Day” if Kayla Day wins the first set. It will resolve to “Kimberly Birrell” if Kimberly Birrell wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official WTA match statistics. This market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).

Sourcehttps://www.wtatennis.com/scores

Other legs of this event

A leg read alone is misleading; the others are beside it.

Market	Venue	Price	24h volume	Liquidity	Scheduled end	Status
Game Spread: Kimberly Birrell (-3.5) vs Kayla Day (+3.5)	Polymarket	51% Kayla Day	$835	—	—	Open
Japan Women's Open: Kayla Day vs Kimberly Birrell	Polymarket	50% Kimberly Birrell	—	—	—	Open
Japan Women's Open: Completed Match: Kayla Day vs Kimberly Birrell	Polymarket	100% No	—	—	—	Open
Day vs. Birrell: Set 1 Games O/U 8.5	Polymarket	50% Under	—	—	—	Open
Day vs. Birrell: Match O/U 21.5	Polymarket	50% Under	—	—	—	Open
Kayla Day vs. Kimberly Birrell: Total Sets O/U 2.5	Polymarket	50% Over 2.5	—	—	—	Open
Day vs. Birrell: Set 2 Games O/U 8.5	Polymarket	50% Under	—	—	—	Open
Day vs. Birrell: Set 2 Games O/U 10.5	Polymarket	50% Over	—	—	—	Open
Day vs. Birrell: Set 2 Games O/U 9.5	Polymarket	50% Under	—	—	—	Open
Set 2 Winner: Kayla Day vs Kimberly Birrell	Polymarket	50% Kayla Day	—	—	—	Open
Set Handicap: Kayla Day (-1.5) vs Kimberly Birrell (+1.5)	Polymarket	50% Kayla Day	—	—	—	Open
Day vs. Birrell: Set 1 Games O/U 10.5	Polymarket	50% Under	—	—	—	Open
Day vs. Birrell: Match O/U 22.5	Polymarket	50% Under	—	—	—	Open
Set Handicap: Kimberly Birrell (-1.5) vs Kayla Day (+1.5)	Polymarket	50% Kimberly Birrell	—	—	—	Open
Day vs. Birrell: Set 1 Games O/U 9.5	Polymarket	50% Under	—	—	—	Open
Day vs. Birrell: Match O/U 23.5	Polymarket	50% Over	—	—	—	Open

Venue activity

Read from the venue this minute

Holders—

Held value—

Trades (24h)—

Trades—

Open interest—

Comments0

Discussion on Predxy

What Predxy's readers make of this market. Everyone can read; signed-in readers can write. The venue's own thread, when it has one, is the box below.

Nobody has said anything here yet.

As of Oct 25, 02:14 AM UTC