TOTAL VOLUME:

$154.8b

24H VOL:

$277,138,640

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2,984,640,614

OPEN INTEREST:

$1,905,404,943

412,077

Markets across

39,838

events

MATCHED EVENTS:

4,526

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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Japan Women's Open: Antonia Ruzic vs Kayla Day
polymarket

What is the result of Antonia Ruzic vs Kayla Day?

Volume:
$123,801

Japan Women's Open: Antonia Ruzic vs Kayla Day

 - Polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 22, 2026

Closed: Oct 22, 12:06 AM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day

View
100%
49%
Yes 100¢No 0¢
—
N/A
$122,242
N/A
N/A
N/A
Settled
Yes
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 Winner

100%
49%
Yes 100¢No 0¢
—
N/A
$1,012
N/A
N/A
N/A
Settled
Yes
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 Winner

50%
47%
Yes 50¢No 50¢
—
N/A
$181
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set Handicap +/-1.5

50%
18%
Yes 50¢No 50¢
—
N/A
$65
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Total Sets: O/U 2.5

50%
61%
Yes 50¢No 50¢
—
N/A
$2
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Completed Match

0%
Yes 0¢No 100¢
—
N/A
$300
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 8.5

100%
30%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 9.5

100%
Yes 100¢No 0¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 10.5

0%
78%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 O/U 8.5

50%
Yes 50¢No 50¢
—
$20,164
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 O/U 9.5

50%
Yes 50¢No 50¢
—
$21,329
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 O/U 10.5

50%
Yes 50¢No 50¢
—
$21,429
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Match O/U 21.5

50%
2%
Yes 50¢No 50¢
—
$20,354
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Match O/U 22.5

50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Match O/U 23.5

50%
6%
Yes 50¢No 50¢
—
$21,329
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
polymarket

Japan Women's Open: Antonia Ruzic vs Kayla Day Game Spread +/-0.5

50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
ResolvedResult not available
Total markets: 16

Description

This market refers to the tennis match between Antonia Ruzic and Kayla Day in the Japan Women's Open, originally scheduled for October 21, 2026 at 9:00PM ET. This market will resolve to 'Antonia Ruzic' if Antonia Ruzic advances against Kayla Day. This market will resolve to 'Kayla Day' if Kayla Day advances against Antonia Ruzic. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.

Polymarket

This market refers to the tennis match between Antonia Ruzic and Kayla Day in the Japan Women's Open, originally scheduled for October 21, 2026 at 9:00PM ET. This market will resolve to 'Antonia Ruzic' if Antonia Ruzic advances against Kayla Day. This market will resolve to 'Kayla Day' if Kayla Day advances against Antonia Ruzic. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.

Frequently asked questions

On Polymarket, the dashboard for the Japan Women's Open match tracks the current odds, price history, and 24-hour trading volume. You can see how the implied probability of each outcome shifts over time as traders buy and sell shares. Currently, the total volume for this market is $123,801, with $120,641 traded in the last 24 hours. This provides a real-time view of where the crowd believes the likely winner will be, and the intensity of trading activity surrounding this tennis match.

Often, prediction market odds reflect a wisdom-of-the-crowd effect, potentially differing from initial sportsbook lines. Sportsbooks set odds based on their own models and aim to balance action on both sides, while this market represents the collective beliefs of informed traders. Discrepancies can arise due to differing information, biases, or simply the dynamic nature of trading. It's common to see prediction market prices move closer to the eventual outcome as more information becomes available, and potentially outperform traditional sportsbook odds in accuracy.

On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each outcome. The price of a share directly reflects the implied probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price isn’t tied to any specific external factor beyond the actions of traders on the platform, making it a purely belief-based assessment of the match’s potential results.

This market resolves around Oct 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Japan Women's Open match between Antonia Ruzic and Kayla Day as reported by the tournament organizers. The winning player, as determined by the official score, will dictate the settlement of this market. No further details regarding resolution sources are available.

Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected upsets in earlier rounds of the tournament, or analysis suggesting a shift in either player’s performance levels, could also drive price movements. Publicly available information, such as expert predictions or updated rankings, might also contribute to changes in the market’s dynamics as traders react to new data.