Market snapshot: Oct 20, 2026, 12:00 PM UTC. Prices may have changed since this snapshot.

GroupKALSHI

Event GroupKALSHISports

ATP Brussels Winner

Reported volume

K 29.57 contracts

Events

Markets

Trade on Kalshi

ATP Brussels Winner

Vol

K 29.57 contracts

Events

Markets

Kalshi

Current odds

Snapshot from Oct 20, 2026, 12:00 PM UTC

As of Oct 20, 2026, 12:00 PM UTC, the highest-priced outcome on Kalshi is Arthur Fils at 18.5%.

Kalshi

Arthur Fils18.5%
Botic Van de Zandschulp16%
Tallon Griekspoor16%
Damir Dzumhur16%
Alexander Blockx16%

Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.

Price ChartContract price history

24 markets tracked

Historical observations can differ from current quotes. Kalshi points are hourly trade averages.

Saved prices are comparisons, not executable quotes. A price difference does not establish arbitrage. Check both contracts, live order prices, fees and available size.

ATP Brussels: Arthur Fils wins

No data available

Single-Platform Markets(24)

Market	Platform	Price
ATP Brussels: Arthur Fils wins	Kalshi	18.5%
ATP Brussels: Botic Van de Zandschulp wins	Kalshi	16.0%
ATP Brussels: Tallon Griekspoor wins	Kalshi	16.0%
ATP Brussels: Damir Dzumhur wins	Kalshi	16.0%
ATP Brussels: Alexander Blockx wins	Kalshi	16.0%
ATP Brussels: Zizou Bergs wins	Kalshi	16.0%
ATP Brussels: Jiri Lehecka wins	Kalshi	15.0%
ATP Brussels: Jan-Lennard Struff wins	Kalshi	14.5%
ATP Brussels: Max Schoenhaus wins	Kalshi	14.5%
ATP Brussels: Toby Samuel wins	Kalshi	14.5%
ATP Brussels: Dino Prizmic wins	Kalshi	14.5%
ATP Brussels: Mariano Navone wins	Kalshi	14.5%
ATP Brussels: Jaume Munar wins	Kalshi	14.5%
ATP Brussels: David Goffin wins	Kalshi	14.5%
ATP Brussels: Marcos Giron wins	Kalshi	14.5%
ATP Brussels: Hugo Gaston wins	Kalshi	14.5%
ATP Brussels: Jacob Fearnley wins	Kalshi	14.5%
ATP Brussels: Martin Damm Jr wins	Kalshi	14.5%
ATP Brussels: Raphael Collignon wins	Kalshi	14.5%
ATP Brussels: Clement Chidekh wins	Kalshi	14.5%
ATP Brussels: Remy Bertola wins	Kalshi	14.5%
ATP Brussels: Nishesh Basavareddy wins	Kalshi	14.5%
ATP Brussels: Francisco Cerundolo wins	Kalshi	10.0%
ATP Brussels: Alex Michelsen wins	Kalshi	7.5%

Rules & Resolution

Saved matching review

Needs review: no direct pair assessment is available.

A saved event match does not establish identical settlement. Pair reviews appear with each price comparison.

AI Analysis

Trader mode: Market mechanics, assumptions and risks

K 29.57 contracts

Reported volume · provider units

Saved contracts

Same-question pairs

Source snapshot: Oct 20, 2026, 12:00 PM UTC

About This Event

2026 ATP Brussels If X wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. This market will close and expire after a winner is declared.

AI-generated analysis based on market data. Not financial advice.

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Event: ATP Brussels Winner
Source snapshot: Oct 20, 2026, 12:00 PM UTC
Reported event volume (provider units): K 29.57 contracts
Coverage: 24 of 24 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: ATP Brussels: Botic Van de Zandschulp wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-VAN; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0.01 contracts
Outcome Yes: 16.0%; 24h change unavailable
Outcome No: 84.0%; 24h change unavailable
Saved rules: If Botic Van de Zandschulp wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Jan-Lennard Struff wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-STR; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Jan-Lennard Struff wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Max Schoenhaus wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-SCH; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Max Schoenhaus wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Toby Samuel wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-SAM; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Toby Samuel wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Dino Prizmic wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-PRI; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Dino Prizmic wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Mariano Navone wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-NAV; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Mariano Navone wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Jaume Munar wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-MUN; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Jaume Munar wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Alex Michelsen wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-MIC; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0.04 contracts
Outcome Yes: 7.5%; 24h change unavailable
Outcome No: 92.5%; 24h change unavailable
Saved rules: If Alex Michelsen wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Jiri Lehecka wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-LEH; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 12.56 contracts
Outcome Yes: 15.0%; 24h change unavailable
Outcome No: 85.0%; 24h change unavailable
Saved rules: If Jiri Lehecka wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Tallon Griekspoor wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-GRI; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 3.28 contracts
Outcome Yes: 16.0%; 24h change unavailable
Outcome No: 84.0%; 24h change unavailable
Saved rules: If Tallon Griekspoor wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: David Goffin wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-GOF; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If David Goffin wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Marcos Giron wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-GIR; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Marcos Giron wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Hugo Gaston wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-GAS; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Hugo Gaston wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Arthur Fils wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-FIL; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0.35 contracts
Outcome Yes: 18.5%; 24h change unavailable
Outcome No: 81.5%; 24h change unavailable
Saved rules: If Arthur Fils wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Jacob Fearnley wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-FEA; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Jacob Fearnley wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Damir Dzumhur wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-DZU; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 16.0%; 24h change unavailable
Outcome No: 84.0%; 24h change unavailable
Saved rules: If Damir Dzumhur wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Martin Damm Jr wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-DAM; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Martin Damm Jr wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Raphael Collignon wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-COL; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Raphael Collignon wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Clement Chidekh wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-CHI; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Clement Chidekh wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Francisco Cerundolo wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-CER; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0.03 contracts
Outcome Yes: 10.0%; 24h change unavailable
Outcome No: 90.0%; 24h change unavailable
Saved rules: If Francisco Cerundolo wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Alexander Blockx wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-BLO; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0.25 contracts
Outcome Yes: 16.0%; 24h change unavailable
Outcome No: 84.0%; 24h change unavailable
Saved rules: If Alexander Blockx wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Remy Bertola wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-BER2; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Remy Bertola wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Zizou Bergs wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-BER; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 0.05 contracts
Outcome Yes: 16.0%; 24h change unavailable
Outcome No: 84.0%; 24h change unavailable
Saved rules: If Zizou Bergs wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Contract: ATP Brussels: Nishesh Basavareddy wins
Provider: kalshi; ID: kalshi-KXATP-26BRUSSE-BAS; status: active
Source: https://kalshi.com/markets/kxatp-26brusse
Observed: Oct 20, 2026, 12:00 PM UTC
Listed close: Nov 28, 2026, 10:30 AM UTC
Reported volume: 13 contracts
Outcome Yes: 14.5%; 24h change unavailable
Outcome No: 85.5%; 24h change unavailable
Saved rules: If Nishesh Basavareddy wins the 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes. Secondary rules: The following market refers to the 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.

Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners. Early close condition: This market will close and expire after a winner is declared.

Saved cross-platform review:
No exact pair with two valid binary Yes prices is available for comparison.

Explain the named outcomes, material rule/deadline differences, and evidence limits. Keep Polymarket dollar volume separate from Kalshi contract counts. Do not average unrelated contracts, infer missing prices or changes, or describe unreviewed/related pairs as equivalent. Distinguish listed prices from executable bid/ask prices, fees and available size. Do not invent current news, confidence scores or settlement guarantees. Cite the provided source links and identify what further evidence would be needed.

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AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.

KALSHISports

ATP Brussels Winner

Volume$29.57

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ATP Brussels: Arthur Fils wins

kalshi

ATP Brussels: Arthur Fils wins

Yes: 18.5¢
No: 81.5¢

ATP Brussels: Botic Van de Zandschulp wins

kalshi

ATP Brussels: Botic Van de Zandschulp wins

Yes: 16.0¢
No: 84.0¢

ATP Brussels: Tallon Griekspoor wins

kalshi

ATP Brussels: Tallon Griekspoor wins

Yes: 16.0¢
No: 84.0¢

ATP Brussels: Damir Dzumhur wins

kalshi

ATP Brussels: Damir Dzumhur wins

Yes: 16.0¢
No: 84.0¢

ATP Brussels: Alexander Blockx wins

kalshi

ATP Brussels: Alexander Blockx wins

Yes: 16.0¢
No: 84.0¢

Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

PolymarketSports

Will Novak Djokovic play a match at the 2026 Nitto ATP Finals?

Kalshi: Will Novak Djokovic qualify for the Nitto ATP Singles Finals?

Related contracts

PM Yes 25.6%Rules differK Yes 16.5%

Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.

Saved prices; check contract rules.

1 saved comparisonNext deadline Nov 22, 2026 UTC

KalshiSports

ATP Lyon Winner

K 19.7 contracts

ATP Lyon: Taylor Fritz winsYes 16.5%

ATP Lyon: Stan Wawrinka winsYes 16%

ATP Lyon: Valentin Vacherot winsYes 16%

+21 moreNext deadline Nov 29, 2026 UTC

KalshiSports

ATP Almaty Winner

K 671.83 contracts

ATP Almaty: Timofey Skatov winsYes 16.5%

ATP Almaty: Sho Shimabukuro winsYes 16.5%

ATP Almaty: Zangar Nurlanuly winsYes 16.5%

+17 moreNext deadline Nov 28, 2026 UTC

PolymarketKalshiSports

ATP #1 Ranked Men's Singles Player on Dec 31, 2026?

PM $77.1K · K 143.5K contracts

Will Alexander Zverev be Number 1 on the End of Year ATP Rankings

Kalshi: Who will be the #1 ranked ATP men's singles player on Dec 31, 2026? (Alexander Zverev)

Related contracts

PM Yes 99%Rules differK Yes 98.5%

Will Carlos Alcaraz be Number 1 on the End of Year ATP Rankings

Kalshi: Who will be the #1 ranked ATP men's singles player on Dec 31, 2026? (Carlos Alcaraz)

Related contracts

PM Yes <0.1%Rules differK Yes 0.5%

Will Jannik Sinner be Number 1 on the End of Year ATP Rankings

Kalshi: Who will be the #1 ranked ATP men's singles player on Dec 31, 2026? (Jannik Sinner)

Related contracts

PM Yes 0.3%Rules differK Yes 0.5%

Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.

Saved prices; check contract rules.

3 saved comparisonsNext deadline Jan 7, 2027 UTC

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Next Market Deadline

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Nov 28, 2026, 10:30 AM UTC

Market Insights

Price gaps of 2 pp+

Same-question pairs

No outcomes on this page have been reviewed as the same question on both platforms yet.

Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.

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ATP Brussels Winner

ATP Brussels Winner

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