TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
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Iga Swiatek
all
2 markets
Kalshi
Polymarket
consensus
News
Positive
Negative
Neutral
Hover marker for details
Vol.
·
Resolved Sep 1, 2026
Closed: Aug 31, 8:45 PM EST
Kalshi
US Open WTA: Iga Swiatek vs Xiyu Wang Game Spread +/-6.5
US Open WTA: Iga Swiatek vs Xiyu Wang Set Handicap +/-1.5
US Open WTA: Iga Swiatek vs Xiyu Wang Set 1 Winner
US Open WTA: Iga Swiatek vs Xiyu Wang Set 2 Winner
US Open WTA: Iga Swiatek vs Xiyu Wang Match O/U 22.5
US Open WTA: Iga Swiatek vs Xiyu Wang Match O/U 23.5
US Open WTA: Iga Swiatek vs Xiyu Wang Total Sets: O/U 2.5
US Open WTA: Iga Swiatek vs Xiyu Wang Match O/U 21.5
US Open WTA: Iga Swiatek vs Xiyu Wang Set 1 O/U 8.5
US Open WTA: Iga Swiatek vs Xiyu Wang Set 1 O/U 10.5
Intro
This market tracks the outcome of the tennis match between Iga Swiatek and Xiyu Wang at the 2026 US Open Women Singles Round Of 128 using game and set handicap lines. The aggregated consensus probability shows 100.0% for Game Spread: Swiatek (-6.5) vs Wang (+6.5) and 100.0% for Set Handicap: Swiatek (-1.5) vs Wang (+1.5), drawing data from Polymarket, Kalshi, and Limitless, with resolution based on official Grand Slam match statistics from the WTA Tour. Watch for the match conclusion on September 6, 2026, which will determine the final settlement.
PredictionHero - Resolution Divergence Alerts (RDA)
Unified Resolution Criteria (Consistent across platforms)
All platforms share identical resolution logic using official WTA Grand Slam statistics with a 14-day completion window and consistent 50-50 rules for incomplete/canceled matchesPrimary resolution logic: Official Grand Slam match statistics from the WTA TourCore resolution logic:
- Match must be completed by September 13, 2026 (14 days after scheduled start)
- All tiebreak games count as one game toward totals
- Incomplete/canceled matches resolve 50-50 unless outcome already determined
- Primary source: Official WTA Grand Slam statistics
Edge cases & clarifications:
- Retirement/Walkover: Resolves 50-50 unless outcome already determined by completed play
- Postponement: Market remains open until completion or 14-day deadline
- Match Not Started: Resolves 50-50 at 14-day deadline
Polymarket
This market refers to the tennis match between Iga Swiatek and Xiyu Wang in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Iga Swiatek' if Iga Swiatek advances against Xiyu Wang. This market will resolve to 'Xiyu Wang' if Xiyu Wang advances against Iga Swiatek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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 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.
Kalshi
Each market resolves to Yes only if the specified player wins the match after at least one ball has been played. If the match does not occur due to injury, walkover, forfeiture, or other cancellation before play begins, the market resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. Kalshi disclaims any affiliation with the governing league, and all trademarks remain property of their respective owners.
Limitless
This market refers to the tennis match between Iga Swiatek and Wang Xiyu in the WTA US Open, originally scheduled for August 30, 2026 at 15:00 UTC. This market will resolve to "YES" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "NO." All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total. If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
