Part of: National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

This prediction market covers the National Bank Open tennis match between Tallon Griekspoor and Matteo Arnaldi, scheduled for August 7, 2026. It resolves to the player who advances, with the market page showing current odds and smart money activity ahead of the match.

12 smart money signals detected, totaling $220,652.

Categories: Sports, Tennis, Games

Notable Trades

96% winner backs Griekspoor

A highly profitable bettor with a 96% win rate made a nearly $58.5K contrarian sell of Arnaldi, equivalent to buying Griekspoor around 30%, amid a major volume spike.

  • This bettor has won 173 of 180 resolved trades, with $6.94M in lifetime profit.
  • The $58,495 position converts to buying Tallon Griekspoor at roughly 30%, despite the market pricing him near 28%.
  • Trading volume was 121 times its historical average, while Arnaldi’s odds fell 30% over the day.

$4,241 on Tallon Griekspoor | Wallet win rate: 96%

34-0 bettor adds to Arnaldi

A proven 34-0 sports bettor is adding $1,907 to Matteo Arnaldi at 36%, despite already holding a substantial position.

  • This bettor has won all 34 resolved positions, earning $42,074 while buying at an average 59% price.
  • The wallet added $1,907 to Matteo Arnaldi at 36% and already has $5,298 invested in the same outcome.
  • Arnaldi is priced as a 36% chance, offering substantial upside if this highly successful bettor's edge persists.

$4,866 on Matteo Arnaldi | Wallet win rate: 97%

96% winner backs Griekspoor

A highly profitable bettor with a 96% win rate made a nearly $58.5K contrarian sell of Arnaldi, equivalent to buying Griekspoor around 30%, amid a major volume spike.

  • This bettor has won 173 of 180 resolved trades, with $6.94M in lifetime profit.
  • The $58,495 position converts to buying Tallon Griekspoor at roughly 30%, despite the market pricing him near 28%.
  • Trading volume was 121 times its historical average, while Arnaldi’s odds fell 30% over the day.

$11,000 on Tallon Griekspoor | Wallet win rate: 96%

Three elite bettors fade Arnaldi

Three highly profitable bettors sold $64.5K of Arnaldi around 70–73%, with a 60.6x volume surge and the market subsequently falling to 56%.

  • Two bettors win 96–97% of their trades, while the third wins 78% across 995 resolved positions.
  • The coordinated $64,514 sell cluster arrived during a 60.6x volume spike, and Arnaldi’s price has since dropped from roughly 70% to 56%.
  • Their sales imply buying Tallon Griekspoor near 30%, a substantial discount to the current 44% market price.

$64,514 on Tallon Griekspoor

96% winner backs Griekspoor

A highly profitable bettor with a 96% win rate made a nearly $58.5K contrarian sell of Arnaldi, equivalent to buying Griekspoor around 30%, amid a major volume spike.

  • This bettor has won 173 of 180 resolved trades, with $6.94M in lifetime profit.
  • The $58,495 position converts to buying Tallon Griekspoor at roughly 30%, despite the market pricing him near 28%.
  • Trading volume was 121 times its historical average, while Arnaldi’s odds fell 30% over the day.

$58,495 on Tallon Griekspoor | Wallet win rate: 96%

Elite bettor makes 30x-volume tennis bet

A highly profitable, proven bettor with an 84% win rate and substantial positive edge made a concentrated $24,297 bet in a market with only $807 in daily volume.

  • This bettor wins 84% of 379 resolved positions and is up $4.6 million lifetime.
  • The $24,297 position is roughly 30 times the market’s 24-hour volume, showing strong conviction on Tallon Griekspoor.
  • The entry at 60¢ implies the bettor sees meaningful value despite Griekspoor already trading as the 60% favorite.

$20,000 on Tallon Griekspoor | Wallet win rate: 84%

96% winner backs Griekspoor

A highly profitable 96% win-rate bettor made a $58.5K equivalent bet on Tallon Griekspoor, alongside $25.6K of additional Tallon buying and a major volume spike.

  • A bettor who wins 96% of 180 trades sold $58.5K of Arnaldi at 70%, equivalent to buying Griekspoor around 30%.
  • Four wallets put $84.1K toward Griekspoor, including an 84% winner with $4.66M in lifetime profit.
  • The market saw a 113x historical volume spike, although Griekspoor’s price has fallen 28% recently and some buyers are underwater.

$20,531 on Tallon Griekspoor

34-0 bettor adds to Arnaldi

A proven 34-0 sports bettor is adding $1,907 to Matteo Arnaldi at 36%, despite already holding a substantial position.

  • This bettor has won all 34 resolved positions, earning $42,074 while buying at an average 59% price.
  • The wallet added $1,907 to Matteo Arnaldi at 36% and already has $5,298 invested in the same outcome.
  • Arnaldi is priced as a 36% chance, offering substantial upside if this highly successful bettor's edge persists.

$2,217 on Matteo Arnaldi | Wallet win rate: 97%

97% winner adds to Griekspoor

A highly profitable serial bettor with a 97% win rate and substantial edge is adding to a Tallon Griekspoor position.

  • This bettor has won 32 of 33 resolved trades, earning $127,750 while entering at an average winning price of 55%.
  • They are adding $7,584 to an existing Griekspoor position at 67¢, signaling continued conviction.
  • The 32-event track record makes this more compelling than a routine large bet in a liquid market.

$7,584 on Tallon Griekspoor | Wallet win rate: 97%

34-0 bettor adds to Arnaldi

A proven 34-0 sports bettor is adding $1,907 to Matteo Arnaldi at 36%, despite already holding a substantial position.

  • This bettor has won all 34 resolved positions, earning $42,074 while buying at an average 59% price.
  • The wallet added $1,907 to Matteo Arnaldi at 36% and already has $5,298 invested in the same outcome.
  • Arnaldi is priced as a 36% chance, offering substantial upside if this highly successful bettor's edge persists.

$1,907 on Matteo Arnaldi | Wallet win rate: 97%

Top Holders

  1. 0xfe78...0319 Outcome 76376695, $68,666 (63% win rate)
  2. 0xc430...1ebf Outcome 76376695, $50,519 (96% win rate)
  3. 0xf958...db13 Outcome 76376695, $15,944 (43% win rate)
  4. 0xe524...d34f Outcome 76376695, $13,948 (53% win rate)
  5. 0xbc72...c9d0 Outcome 76376695, $7,317 (97% win rate)
  6. 0x9f15...bdb3 Outcome 76376695, $7,037 (71% win rate)
  7. 0x7e5e...7315 Outcome 76376695, $7,000 (48% win rate)
  8. 0x6e47...5c64 Outcome 76376695, $5,075
  9. 0x86f4...bd70 Outcome 76376695, $4,302 (93% win rate)
  10. 0x4be1...aa70 Outcome 76376695, $3,949 (64% win rate)

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National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

5dNational Bank Open: Tallon Griekspoor vs Matteo Arnaldi$220,652 tracked12 signalsSportsTennisGames

This market refers to the tennis match between Tallon Griekspoor and Matteo Arnaldi in the National Bank Open, originally scheduled for August 7, 2026 at 10:00AM ET. This market will resolve to 'Tallon Griekspoor' if Tallon Griekspoor advances against Matteo Arnaldi. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Tallon Griekspoor. 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.

Price History — “Tallon Griekspoor
101¢
78¢
56¢
Alert entriesHigh-conviction

Notable Trades

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$4,241 on Tallon Griekspoor at 30¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$4,866 on Matteo Arnaldi at 36¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$11,000 on Tallon Griekspoor at 30¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$64,514 on Tallon Griekspoor at 30¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$58,495 on Tallon Griekspoor at 30¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$20,000 on Tallon Griekspoor at 60¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$20,531 on Tallon Griekspoor at 30¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$2,217 on Matteo Arnaldi at 36¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$7,584 on Tallon Griekspoor at 67¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$1,907 on Matteo Arnaldi at 36¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

1d ago

$1,000 on Matteo Arnaldi at 40¢

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

2d ago

$24,297 on Tallon Griekspoor at 60¢

Related Theses