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%

BETA
Dashboards
Tour
All
Sports
National Bank Open: Shuai Zhang vs Jelena Ostapenko
polymarket

Who will win Shuai Zhang vs Jelena Ostapenko?

Volume:
$205,338

National Bank Open: Shuai Zhang vs Jelena Ostapenko

 - Polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 4, 2026

Closed: Aug 4, 6:02 PM EST

polymarket

Polymarket

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

National Bank Open: Shuai Zhang vs Jelena Ostapenko

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$198,085
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 Winner

100%
Yes 100¢No 0¢
0.1¢
N/A
$574
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 Winner

50%
Yes 50¢No 50¢
1¢
N/A
$4,776
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set Handicap +/-1.5

50%
Yes 50¢No 50¢
2¢
N/A
$1,324
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Total Sets: O/U 2.5

50%
Yes 50¢No 50¢
2¢
N/A
$393
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Match O/U 21.5

50%
Yes 50¢No 50¢
2¢
N/A
$57
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Match O/U 22.5

50%
Yes 50¢No 50¢
2¢
N/A
$43
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set Handicap +/-1.5

50%
Yes 50¢No 50¢
2¢
N/A
$10
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
$75
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

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

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 O/U 8.5

50%
Yes 50¢No 50¢
93¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 O/U 9.5

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

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 O/U 9.5

50%
Yes 50¢No 50¢
93¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 1 O/U 10.5

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

National Bank Open: Shuai Zhang vs Jelena Ostapenko Set 2 O/U 10.5

50%
Yes 50¢No 50¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

National Bank Open: Shuai Zhang vs Jelena Ostapenko Match O/U 23.5

50%
Yes 50¢No 50¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 16

Description

This market refers to the tennis match between Shuai Zhang and Jelena Ostapenko in the National Bank Open, originally scheduled for August 4, 2026 at 3:30PM ET. This market will resolve to 'Shuai Zhang' if Shuai Zhang advances against Jelena Ostapenko. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Shuai Zhang. 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.

Polymarket

This market refers to the tennis match between Shuai Zhang and Jelena Ostapenko in the National Bank Open, originally scheduled for August 4, 2026 at 3:30PM ET. This market will resolve to 'Shuai Zhang' if Shuai Zhang advances against Jelena Ostapenko. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Shuai Zhang. 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.

Frequently asked questions

On Polymarket, the National Bank Open matchup market dashboard tracks real-time odds, price fluctuations, and 24-hour volume for this specific tennis contest. It visualizes how traders on Polymarket are positioning themselves ahead of the match, showing the current implied probability and liquidity in the market. The dashboard updates continuously to reflect shifts in trader sentiment and betting patterns as the event approaches.

Prediction market odds in this market often differ from traditional sportsbook lines due to the decentralized nature of trader-driven pricing. While sportsbooks may incorporate sharp lines and adjustments, prediction markets reflect the aggregated beliefs of participants, which can lead to variations in implied probabilities. Traders should compare both sources to identify potential value or divergence in expectations ahead of the match.

This market resolves around Aug 11, 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 based on publicly available results.