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%
Completed Match
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Completed Match - Polymarket
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Vol.
·
Resolved Sep 23, 2026
Closed: Sep 23, 1:26 PM EST
Polymarket
This market refers to the doubles tennis match between Franco/Hinojosa and Brantmeier/Collins in the Porto, originally scheduled for September 23, 2026 at 11:00AM ET. This market will resolve to 'Franco/Hinojosa' if the team of Franco/Hinojosa advances against Brantmeier/Collins. This market will resolve to 'Brantmeier/Collins' if the team of Brantmeier/Collins advances against Franco/Hinojosa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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.
This market refers to the doubles tennis match between Franco/Hinojosa and Brantmeier/Collins in the Porto, originally scheduled for September 23, 2026 at 11:00AM ET. This market will resolve to 'Franco/Hinojosa' if the team of Franco/Hinojosa advances against Brantmeier/Collins. This market will resolve to 'Brantmeier/Collins' if the team of Brantmeier/Collins advances against Franco/Hinojosa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from sportsbook odds due to varying information and incentives. Sportsbooks set lines to balance action and ensure profit, while this market allows traders to express their own independent assessments. Discrepancies can arise from differing levels of expertise among participants, or from the influence of public perception. It's common to see prediction markets incorporate information more quickly than traditional sportsbooks, especially when new data emerges, leading to potential arbitrage opportunities.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts accordingly, providing a dynamic and real-time assessment of the event’s likelihood. The current price indicates the collective forecast for the Porto doubles match.
This market resolves around Sep 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Porto doubles match, determining which pairing emerges victorious. The platform will rely on widely accepted sources to verify the final score and declare the winning outcome. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of this market before resolution. Any news regarding player injuries, changes in team strategy, or unexpected weather conditions could significantly shift the perceived probabilities. Strong performances in preceding matches, or even public endorsements from tennis analysts, could also impact trading activity. Unexpected upsets in other related tournaments might also cause traders to reassess their positions, leading to volatility in the market price. Monitoring these signals will be key to understanding potential shifts in sentiment.