TOTAL VOLUME:

$134.2b

24H VOL:

$130,522,377

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,438,389,636

404,028

Markets across

30,214

events

MATCHED EVENTS:

2,681

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
Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson
polymarket

What is the result of Cascino/Feng vs Costoulas/Gibson?

Volume:
N/A

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson

 - Polymarket

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 23, 2026

Closed: Sep 23, 4:06 AM EST

polymarket

Polymarket

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 1 Winner

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 2 Winner

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson 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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
19¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 1 O/U 9.5

View
100%
Yes 100¢No 0¢
18¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 1 O/U 10.5

View
100%
Yes 100¢No 0¢
18¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 2 O/U 8.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 2 O/U 9.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set 2 O/U 10.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Match O/U 21.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Match O/U 22.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Match O/U 23.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set Handicap +/-1.5

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

Singapore Open (Doubles): Cascino/Feng vs Costoulas/Gibson Set Handicap +/-1.5

View
100%
Yes 100¢No 0¢
1¢
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 Cascino/Feng and Costoulas/Gibson in the Singapore Open, originally scheduled for September 20, 2026 at 10:00PM ET. This market will resolve to 'Cascino/Feng' if the team of Cascino/Feng advances against Costoulas/Gibson. This market will resolve to 'Costoulas/Gibson' if the team of Costoulas/Gibson advances against Cascino/Feng. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 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 Cascino/Feng and Costoulas/Gibson in the Singapore Open, originally scheduled for September 20, 2026 at 10:00PM ET. This market will resolve to 'Cascino/Feng' if the team of Cascino/Feng advances against Costoulas/Gibson. This market will resolve to 'Costoulas/Gibson' if the team of Costoulas/Gibson advances against Cascino/Feng. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 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

Typically, prediction market odds offer a distinct perspective compared to traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while Polymarket allows traders to directly assess probabilities. This can lead to differences, especially when public sentiment strongly deviates from sportsbook expectations. While sportsbooks may initially set odds based on expert analysis, this market reflects the wisdom of the crowd, potentially identifying overlooked factors or biases in conventional odds-making. It’s common to see discrepancies, particularly as the event draws nearer and more information surfaces.

This market resolves around Sep 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Singapore Open doubles match between Cascino/Feng and Costoulas/Gibson as reported by the tournament organizers. The winning pair will determine the outcome of this market, and the platform will verify the result against established sources to ensure accuracy and transparency. Traders will then be able to claim their winnings based on the final result.

Several factors could influence the price movement of this market. Any news regarding player injuries, changes in team lineups, or updates on player form could significantly shift trader sentiment. Unexpected results in earlier rounds of the Singapore Open, or even broader tournament upsets, could also impact predictions. Furthermore, analysis from tennis experts, pre-match interviews, and even weather conditions at the tournament venue could all serve as catalysts for price adjustments. Monitoring these signals will be key to understanding how this market evolves leading up to Sep 28, 2026.