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National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson

Volume:
$4,912

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson

 - Polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson - Polymarket

1W

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Hover marker for details

Vol.

·

Resolved Aug 10, 2026

Closed: Aug 9, 7:58 PM EST

polymarket

Polymarket

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

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
$4,800
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
$112
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 1 Winner

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Total Sets: O/U 2.5

View
0%
97%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 2 O/U 8.5

View
100%
2%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 1 O/U 8.5

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Match O/U 21.5

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 2 Winner

View
100%
3%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set Handicap +/-1.5

View
100%
3%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 2 O/U 9.5

View
100%
2%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 1 O/U 9.5

View
100%
3%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Match O/U 22.5

View
100%
2%
Yes 100¢No 0¢
0.9¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set Handicap +/-1.5

View
0%
97%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 2 O/U 10.5

View
0%
98%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Set 1 O/U 10.5

View
100%
3%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Li/Tauson Match O/U 23.5

View
0%
97%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Description

This market refers to the doubles tennis match between Hsieh/Ostapenko and Li/Tauson in the National Bank Open, originally scheduled for August 10, 2026 at 10:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Li/Tauson. This market will resolve to 'Li/Tauson' if the team of Li/Tauson advances against Hsieh/Ostapenko. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Hsieh/Ostapenko and Li/Tauson in the National Bank Open, originally scheduled for August 10, 2026 at 10:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Li/Tauson. This market will resolve to 'Li/Tauson' if the team of Li/Tauson advances against Hsieh/Ostapenko. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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, traders in the National Bank Open doubles market set odds that often differ from traditional sportsbook lines. Prediction markets reflect real-time trader sentiment and can move quickly based on new information, while sportsbooks may incorporate broader factors like historical performance and public betting trends. These differences can create unique opportunities for bettors comparing both types of odds.

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through a decentralized process where traders buy and sell shares based on their outlook. The current top outcome reflects collective wisdom, with odds adjusting dynamically to trading volume and new information. Liquidity levels, represented by volume of $4,912, also affect price stability and slippage for larger trades.

Key signals that could shift this market include player injuries, recent match performance, weather conditions on match day, and any last-minute changes to the tournament schedule. As these factors develop, traders may adjust their positions, causing odds to fluctuate. Increased volume of $4,912 in the final days often signals heightened interest or new information impacting expectations.