Current implied probability
Ma vs. Birrell: Set 1 Games O/U 8.5 — Over 65%+26.5ptLeader of 16 outcomes
Market quality
≤74 / 100
Medium quality24h Volume
$6.4K
Liquidity
$159.1K
High liquiditySpread
1.0 pt
Tight spreadComments
0
Market data
Updated 7 minutes ago
Sep 22, 26, 10:14 AM UTCOct 1, 26, 1:00 AM UTC
Trends
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 1 percentage points
- Fees:
- Yes
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market refers to the tennis match between the named outcome and Kimberly Birrell in the Korea Open, originally scheduled for September 23, 2026 at 9:00PM ET.
- This market will resolve to 'the named outcome' if the named outcome advances against Kimberly Birrell.
- This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against the named outcome.
- If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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.
Prediction Source Comparison
Open markets
Sports
KALSHIDroguet vs Gojo
- Titouan Droguet99%
- Borna Gojo1%
- Total Vol
- $5.9M
- 24h Vol
- $5.7M
KALSHIDellien vs Varillas
- Juan Pablo Varillas89.1%
- Murkel Dellien10.9%
- Total Vol
- $5.3M
- 24h Vol
- $5.2M
POLYMARKETWashington Nationals vs. Detroit Tigers
- Washington Nationals vs. Detroit Tigers: Full game — Over 5.5 total runs66%
- Washington Nationals vs. Detroit Tigers: 1st 5 Innings — Over 3.5 total runs57%
- 1st 5 Innings Spread: Washington Nationals (-1.5)50%
+25 more outcomes
- Total Vol
KALSHIFedEx Open de France Winner
- Tommy Fleetwood+0.4pt8.3%
- Ludvig Åberg8.3%
- Matt Fitzpatrick+0.1pt7.5%
+97 more outcomes
- Total Vol
- $4.4M
KALSHI2027 Pro Football Champion
- Los Angeles R+1.0pt11.3%
- Buffalo+1.0pt10.4%
- San Francisco7.8%
+29 more outcomes
- Total Vol
- $132M
- 24h Vol
KALSHIWashington vs Detroit
- Detroit+5.0pt58.8%
- Washington-4.0pt41.2%
- Total Vol
- $2M
- 24h Vol
- $2M
- Servette Chenois vs Lyon
- Washington vs Detroit: Total Runs
- Pro Baseball Champion
- Toronto vs Baltimore
- FedEx Open de France End of Round 1 Leader
- Tampa Bay vs New York Y
- Counter-Strike: Luminosity vs 3DMAX (BO5) - Logitech G Play Connect Playoffs
- Atlanta vs Green Bay
- ATL Falcons vs GB Packers: Total Points
- UEFA Champions League: 2027 Champion
- Hangzhou Open: Aleksandar Vukic vs Kyrian Jacquet
Frequently asked questions
- What are the current odds for Korea Open: Yexin Ma vs Kimberly Birrell?
- Polymarket prices Ma vs. Birrell: Set 1 Games O/U 8.5 — Over at 65% as of September 23, 2026.
- When does Korea Open: Yexin Ma vs Kimberly Birrell resolve?
- Korea Open: Yexin Ma vs Kimberly Birrell is scheduled to resolve on October 1, 2026.
- How is Korea Open: Yexin Ma vs Kimberly Birrell settled?
- Polymarket settles this market as follows: This market refers to the tennis match between the named outcome and Kimberly Birrell in the Korea Open, originally scheduled for September 23, 2026 at 9:00PM ET.
- Where else is Korea Open: Yexin Ma vs Kimberly Birrell listed?
- The same question is also listed on Limitless.