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399,592

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30,097

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2,622

PLATFORM COVERAGE:

5

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National Bank Open: Tallon Griekspoor vs Matteo Arnaldi
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

Volume:
$1,027,580

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

 - Polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi - Polymarket

1W

News

Positive

Negative

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Vol.

·

Resolved Aug 7, 2026

Closed: Aug 7, 3:26 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi

View
100%
42%
Yes 100¢No 0.1¢
0.1¢
N/A
$1,020,275
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 Winner

View
100%
40%
Yes 100¢No 0.1¢
0.1¢
N/A
$2,621
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 22.5

View
100%
46%
Yes 100¢No 0.1¢
0.1¢
N/A
$356
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 23.5

View
100%
53%
Yes 100¢No 0.1¢
0.1¢
N/A
$193
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Total Sets: O/U 2.5

View
100%
57%
Yes 100¢No 0.1¢
0.1¢
N/A
$117
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 21.5

View
100%
36%
Yes 100¢No 0.1¢
0.1¢
N/A
$73
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 8.5

View
100%
17%
Yes 100¢No 0.1¢
0.1¢
N/A
$10
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
2%
Yes 100¢No 0.9¢
0.9¢
N/A
$418
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 Winner

View
0%
54%
Yes 0.1¢No 100¢
—
N/A
$2,270
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set Handicap +/-1.5

View
0%
Yes 0.1¢No 100¢
—
N/A
$1,133
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 10.5

View
0%
46%
Yes 0.1¢No 100¢
—
N/A
$66
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set Handicap +/-1.5

View
0%
24%
Yes 0.1¢No 100¢
—
N/A
$47
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 O/U 8.5

View
100%
1%
Yes 100¢No 0.1¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 O/U 9.5

View
100%
1%
Yes 100¢No 0.1¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 9.5

View
0%
87%
Yes 0.1¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 O/U 10.5

View
0%
99%
Yes 0.1¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Intro

This market tracks who will win the tennis match between Tallon Griekspoor and Matteo Arnaldi at the National Bank Open. On Polymarket, Tallon Griekspoor has a current probability of 100.0%. The match outcome will be resolved using official results from https://www.atptour.com/en/scores/current. The specific match to watch is scheduled for August 14, 2026, which determines the betting period end for this market.

Polymarket

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.

Frequently asked questions

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders manually set prices through buying and selling shares, which determines the market’s current odds. The top outcome’s displayed chance reflects the aggregated positions of all participants. As the match date nears, news, player form, and betting activity can shift these prices rapidly. The market’s liquidity, indicated by volume of $1,027,580, also influences how smoothly trades execute and how prices adjust.

This market resolves around Aug 14, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the market will settle based on who wins the contest. No further analysis or interpretation is needed beyond the publicly recorded result, ensuring a clear and transparent resolution process for all participants.

Injuries, weather delays, or last-minute player withdrawals could significantly affect this market’s odds as the event approaches. Media interviews, betting trends, and analyst predictions may also shift trader sentiment. Any update that changes perceptions of the competitors’ likelihood to win can cause rapid price movements. Keeping an eye on official tournament announcements and player health reports will help anticipate potential market swings before Aug 14, 2026.