US Open ATP: Frances Tiafoe vs Alex Michelsen - Sep 15, 2026
Live Polymarket analytics for US Open ATP: Frances Tiafoe vs Alex Michelsen - Sep 15, 2026 — $55.3K volume · 57% Tiafoe vs. Michelsen: Match O/U 36.5. Whale positions, bot activity, and order book depth on PolyCollect.
Leading Outcomes
Tiafoe vs. Michelsen: Set 1 Games O/U 8.5
80%Frances Tiafoe vs. Alex Michelsen: Total Sets O/U 3.5
66%Tiafoe vs. Michelsen: Set 1 Games O/U 9.5
60%US Open ATP: Frances Tiafoe vs Alex Michelsen
59%Tiafoe vs. Michelsen: Match O/U 36.5
57%
Key metrics
Score = Volume + Liquidity + Spread. Whales add a small bonus.
Labels :
- Prime — score 88+ (after rounding), or strong volume + liquidity + tight spread with whales; not Thin
- Active — solid but below Prime thresholds
- Thin — low volume or wide spread (harder to trade size)
- Avoid — dead / illiquid, or market is closed
Not a prediction of how the market resolves
Number of seals (5K+), sharks (25K+) and whales (50K+) present in this market, throughout all outcomes
Outcome Analysis
Per-outcome prices, flow & whale positions
Resolution Criteria
This market refers to the tennis match between Frances Tiafoe and Alex Michelsen in the US Open ATP, originally scheduled for September 8, 2026 at 11:30AM ET.
This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Alex Michelsen.
This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Frances Tiafoe.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 ATP Tour. A consensus of credible reporting may also be used.
Resolution source: https://www.atptour.com/en/scores/current
Related Markets
TrendingTrending by 24h net flow
Resolution Criteria
This market refers to the tennis match between Frances Tiafoe and Alex Michelsen in the US Open ATP, originally scheduled for September 8, 2026 at 11:30AM ET.
This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Alex Michelsen.
This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Frances Tiafoe.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 ATP Tour. A consensus of credible reporting may also be used.
Resolution source: https://www.atptour.com/en/scores/current