How do I trade on “Japan Women's Open: Kayla Day — Kimberly Birrell”?

Choose an outcome, enter an amount and confirm the trade. A share’s price is the market’s implied probability; the minimum trade is $1. You can sell your shares at any time before settlement.

How will “Japan Women's Open: Kayla Day — Kimberly Birrell” be resolved?

The market settles by the actual outcome of the event: shares of the correct outcome pay $1 each. The exact criteria are in the market rules above.

When does “Japan Women's Open: Kayla Day — Kimberly Birrell” close?

The expected close is до Oct 27, 2026. You can close your position at any time before settlement.

What is the trading volume of “Japan Women's Open: Kayla Day — Kimberly Birrell”?

The current trading volume is $94K. It updates in real time.

Japan Women's Open: Kayla Day — Kimberly Birrell

$94K volume·до Oct 27, 2026

Kayla Day50% to win

Kimberly Birrell50% to win

OUTCOMESPROBABILITY · PRICE

Kayla Day vs Kimberly Birrell$77K volume01234567890123456789%

PriceSharesTotal

Completed Match$10 volume0123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 1 Winner$1K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 2 Winner$338 volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Total Sets: O/U 2.5$3K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 1 O/U 8.5$2K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 1 O/U 9.5$0 volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 1 O/U 10.5$1K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 2 O/U 8.5$0 volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 2 O/U 9.5$0 volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set 2 O/U 10.5$0 volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Match O/U 21.5$148 volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Match O/U 22.5$1K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Match O/U 23.5$1K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set Handicap +/-1.5$1K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Set Handicap +/-1.5$5K volume01234567890123456789%

Japan Women's Open: Kayla Day vs Kimberly Birrell Game Spread +/-3.5$835 volume01234567890123456789%

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 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.

✓Market open for trading

Proposed outcome

Final review

Questions and answers

“Japan Women's Open: Kayla Day — Kimberly Birrell” is a prediction market on Melbo. A share’s price reflects the probability of the outcome: on the correct outcome each share settles at $1, on the wrong one at $0.