PolymarketOpen

Buse vs. Halys: Set 2 Games O/U 8.5

Under50%
Over50%

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24h volume—
7d volume—
30d volume—
Liquidity$0.6
Spread96%
ResolvesOct 7, 2026in 7 days

Probability history

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Probability history0%25%50%75%100%Sep 28, 10:51 AMSep 28, 10:36 PMSep 29, 10:21 AMSep 29, 10:06 PMShaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.

Based on this market’s outcome prices, expressed as probabilities.

Resolution rules

This market refers to the tennis match between Ignacio Buse and Quentin Halys in the China Open, originally scheduled for September 29, 2026 at 10:00PM ET. This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under." Any tiebreak in set 2 counts as one (1) game toward the total. If set 2 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so "Over" would resolve as the winning outcome. If the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by October 13, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50. Resolution will be based on official ATP results.

Sourcehttps://www.atptour.com/en/scores/current

Other legs of this event

MarketVenuePriceStatus
China Open: Completed Match: Ignacio Buse vs Quentin HalysPolymarket52% YesOpen
Ignacio Buse vs. Quentin Halys: Total Sets O/U 2.5Polymarket60% Under 2.5Open
Buse vs. Halys: Match O/U 21.5Polymarket60% OverOpen
Set Handicap: Quentin Halys (-1.5) vs Ignacio Buse (+1.5)Polymarket66% Ignacio BuseOpen
Set 2 Winner: Ignacio Buse vs Quentin HalysPolymarket53% Quentin HalysOpen
Buse vs. Halys: Set 1 Games O/U 10.5Polymarket64% UnderOpen
Game Spread: Quentin Halys (-2.5) vs Ignacio Buse (+2.5)Polymarket56% Ignacio BuseOpen
Buse vs. Halys: Set 2 Games O/U 10.5Polymarket51% UnderOpen
Buse vs. Halys: Set 2 Games O/U 9.5Polymarket51% UnderOpen
Buse vs. Halys: Match O/U 23.5Polymarket54% UnderOpen
Buse vs. Halys: Set 1 Games O/U 9.5Polymarket59% OverOpen
Set 1 Winner: Ignacio Buse vs Quentin HalysPolymarket53% Quentin HalysOpen
Buse vs. Halys: Match O/U 22.5Polymarket53% OverOpen
Buse vs. Halys: Set 1 Games O/U 8.5Polymarket56% UnderOpen
China Open: Ignacio Buse vs Quentin HalysPolymarket55% Quentin HalysOpen

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As of Sep 29, 10:13 PM UTC