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Kimberly Birrell vs.
Kimberly Birrell vs. Kayla Day: WTA Tennis match held on 2026-10-20. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction.com.
Kimberly Birrell vs. Kayla Day
Live prediction market odds for Kimberly Birrell vs. Kayla Day. Compare prices across .

WTA Archived, venue decision pending Listed Updated
This event is archived while we await a venue decision. The chart below shows historical odds.
Kimberly Birrell vs.
Kimberly Birrell vs. Kayla Day: WTA Tennis match held on 2026-10-20. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction.com.
| Question | Result |
|---|---|
Kayla Day | No result |
Kimberly Birrell | No result |
Official settlement criteria, resolution sources, and edge cases across Kalshi and Novig and Polymarket.
KalshiIf Kimberly Birrell wins the Day vs Birrell professional tennis match in the 2026 WTA Osaka Round Of 32 after a ball has been played, then the market resolves to Yes.
The following market refers to the Day vs Birrell professional tennis match in the 2026 WTA Osaka Round Of 32 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.
NovigKimberly Birrell in Kimberly Birrell @ Kayla Day Round of 32 (WTA); settled by Novig.
PolymarketThis 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 advances against Kimberly Birrell. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Kayla Day. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), 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 WTA Tour. A consensus of credible reporting may also be used.
The outcomes listed above show how traders are pricing this question. Venue prices are not currently available on this page. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.
No historical prices are available on this page. The last available price is not necessarily the final settlement price.
Venues have different traders, liquidity and fees, so their prices can differ. A cross-platform comparison needs available prices for the same outcome on at least two venues.
For example, a 40¢ price implies about a 40% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.
Resolved Nov 12
Final odds