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
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
National Bank Open (Doubles): Hsieh/Ostapenko vs Eikeri/Gleason
polymarket

Who will win Hsieh/Ostapenko vs Eikeri/Gleason?

Volume:
$2,181

National Bank Open (Doubles): Hsieh/Ostapenko vs Eikeri/Gleason

 - Polymarket

National Bank Open (Doubles): Hsieh/Ostapenko vs Eikeri/Gleason - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 8, 2026

Closed: Aug 8, 4:58 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 Eikeri/Gleason

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$2,181
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
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 Eikeri/Gleason Set 2 Winner

View
100%
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 Eikeri/Gleason Total Sets: O/U 2.5

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

National Bank Open (Doubles): Hsieh/Ostapenko vs Eikeri/Gleason Set 1 Winner

View
100%
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 Eikeri/Gleason Set 1 O/U 8.5

View
100%
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 Eikeri/Gleason Match O/U 21.5

View
100%
Yes 100¢No 0¢
20¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

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

View
100%
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 Eikeri/Gleason Set 2 O/U 8.5

View
100%
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 Eikeri/Gleason Match O/U 22.5

View
100%
Yes 100¢No 0¢
20¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

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

View
100%
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 Eikeri/Gleason Set Handicap +/-1.5

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

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

View
100%
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 Eikeri/Gleason Match O/U 23.5

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

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

View
100%
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 Eikeri/Gleason Set 1 O/U 10.5

View
0%
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 Eikeri/Gleason in the National Bank Open, originally scheduled for August 8, 2026 at 10:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Eikeri/Gleason. This market will resolve to 'Eikeri/Gleason' if the team of Eikeri/Gleason 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 Eikeri/Gleason in the National Bank Open, originally scheduled for August 8, 2026 at 10:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Eikeri/Gleason. This market will resolve to 'Eikeri/Gleason' if the team of Eikeri/Gleason 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, the National Bank Open doubles match market dashboard tracks real-time odds, price history, and 24-hour volume for this specific tennis doubles contest. It shows how traders on Polymarket are pricing the chances of each team winning, along with the total volume of $2,181 and recent trading activity of $2,188. This gives you a live view of market sentiment as the match approaches.

This market resolves around Aug 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is based on the official match outcome as reported by authoritative sports news sources and tournament organizers, ensuring transparency and reliability for all participants.

Key signals that could shift this market include player injuries, weather delays, changes in tournament scheduling, and pre-match betting trends. Media coverage, expert predictions, and live in-match performance — especially early set results — often cause rapid price adjustments. Traders will watch these developments closely as they can dramatically alter perceptions of each team's chances before the match concludes.