TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
National Bank Open: Anhelina Kalinina vs Anna Bondar Match O/U 21.5
- Polymarket
National Bank Open: Anhelina Kalinina vs Anna Bondar Match O/U 21.5 - Polymarket
1W
News
Positive
Negative
Neutral
Hover marker for details
Vol.
·
Resolved Aug 3, 2026
Closed: Aug 3, 1:48 PM EST
Polymarket
This market refers to the tennis match between Anhelina Kalinina and Anna Bondar in the National Bank Open, originally scheduled for August 3, 2026 at 10:00AM ET. This market will resolve to 'Anhelina Kalinina' if Anhelina Kalinina advances against Anna Bondar. This market will resolve to 'Anna Bondar' if Anna Bondar advances against Anhelina Kalinina. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
This market refers to the tennis match between Anhelina Kalinina and Anna Bondar in the National Bank Open, originally scheduled for August 3, 2026 at 10:00AM ET. This market will resolve to 'Anhelina Kalinina' if Anhelina Kalinina advances against Anna Bondar. This market will resolve to 'Anna Bondar' if Anna Bondar advances against Anhelina Kalinina. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders set the odds through buying and selling contracts that represent possible outcomes. The current price reflects the collective belief of participants about which player is more likely to win, shown as an implied probability. Market depth and volume of $264,337 and $170,724 influence how prices move, with larger bets shifting the odds more noticeably. This decentralized pricing model lets users capitalize on shifts in trader confidence as the match nears.
This market resolves around Aug 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly. Traders should watch for confirmed results from reputable sports news sources to anticipate when the market will close and payouts will be processed.
Injuries, weather conditions, or recent form updates for either player can shift this market. Media coverage, betting trends, and pre-match practice performances often influence trader sentiment. Any last-minute changes — such as lineup announcements or court conditions — may cause rapid price swings. Monitoring news feeds and expert analysis leading up to Aug 10, 2026 will help identify potential catalysts for movement in the odds.