National Bank Open: Ben Shelton vs Brandon Nakashima - Aug 21, 2026
Live Polymarket analytics for National Bank Open: Ben Shelton vs Brandon Nakashima - Aug 21, 2026 — $182K volume · 60% Set 1 Winner: Shelton vs Nakashima. Whale positions, bot activity, and order book depth on PolyCollect.
Leading Outcomes
Shelton vs. Nakashima: Set 1 Games O/U 9.5
75%Shelton vs. Nakashima: Set 1 Games O/U 8.5
75%Shelton vs. Nakashima: Set 2 Games O/U 8.5
75%National Bank Open: Ben Shelton vs Brandon Nakashima
68%Shelton vs. Nakashima: Set 2 Games O/U 9.5
65%
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 Ben Shelton and Brandon Nakashima in the National Bank Open, originally scheduled for August 13, 2026 at 8:00PM ET.
This market will resolve to 'Ben Shelton' if Ben Shelton advances against Brandon Nakashima.
This market will resolve to 'Brandon Nakashima' if Brandon Nakashima advances against Ben Shelton.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Ben Shelton and Brandon Nakashima in the National Bank Open, originally scheduled for August 13, 2026 at 8:00PM ET.
This market will resolve to 'Ben Shelton' if Ben Shelton advances against Brandon Nakashima.
This market will resolve to 'Brandon Nakashima' if Brandon Nakashima advances against Ben Shelton.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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