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Explore the full Polymarket and Kalshi catalog. A group may contain related contracts with different settlement rules.
Showing 1-48 of 21,330 event groups
Ranked within each platform by reported lifetime volume. Polymarket reports dollars; Kalshi reports contracts.

F1 Drivers Champion
PM $204.43M · K 9.57M contractsWill Kimi Antonelli be the 2026 F1 Drivers' Champion?
Kalshi: Will Andrea Kimi Antonelli win the F1 Drivers Championship?
Related contracts
Will Max Verstappen be the 2026 F1 Drivers' Champion?
Kalshi: Will Max Verstappen win the F1 Drivers Championship?
Related contracts
Will Lando Norris be the 2026 F1 Drivers' Champion?
Kalshi: Will Lando Norris win the F1 Drivers Championship?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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2027 Pro Football Champion
K 182.28M contracts
Will the U.S. confirm that aliens exist?
PM $74.11M · K 33.40M contractsWill the US confirm that aliens exist before 2027?
Kalshi: Will the U.S. confirm that aliens exist before 2027?
Related contracts
Will the US confirm that aliens exist by October 31?
Kalshi: Will the U.S. confirm that aliens exist before Nov 1, 2026?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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College Football National Championship Winner
K 60.75M contracts
2027 Pro Basketball Champion
K 38.71M contracts
Pro Football: 2027 Champion
PM $67.78M
MVP Winner?
K 34.69M contracts
UEFA Champions League: 2027 Champion
PM $54.58M
Ballon d'Or Top 10 Finish 2026
PM $53.23M · K 15.71M contractsWill Harry Kane finish in the top 10 of the 2026 Ballon d'Or?
Kalshi: Who will win the Ballon d'Or in 2026? (Harry Kane)
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Will Lamine Yamal finish in the top 10 of the 2026 Ballon d'Or?
Kalshi: Who will win the Ballon d'Or in 2026? (Lamine Yamal)
Related contracts
Will Kylian Mbappé win the 2026 Ballon d'Or?
Kalshi: Kylian Mbappé: Top 10 in the 2026 men's Ballon d'Or?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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Heisman Trophy Winner
K 34.24M contracts
Will the Citrini scenario happen?
K 25.93M contracts
MLB World Series Champion 2026
PM $45.21M
F1 Constructors Champion
PM $29.19M · K 2.18M contractsWill Mercedes be the 2026 F1 Constructors' Champion?
Kalshi: Will Mercedes AMG Motorsport win the F1 Constructors Championship?
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Will Ferrari be the 2026 F1 Constructors' Champion?
Kalshi: Will Ferrari win the F1 Constructors Championship?
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Will Red Bull Racing be the 2026 F1 Constructors' Champion?
Kalshi: Will Red Bull Racing win the F1 Constructors Championship?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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Pro Baseball Champion
K 22.70M contracts
AFC Championship Winner
K 12.34M contracts
NBA: 2027 Champion
PM $26.32M
Men's 2027 College Basketball Champion
K 11.51M contracts
EPL: 2027 Champion
PM $22.54M
MLS Cup Champion
PM $21.96M · K 2.41M contractsWill Nashville SC win the 2026 MLS Cup?
Kalshi: Will Nashville win the MLS Cup?
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Will Vancouver Whitecaps FC win the 2026 MLS Cup?
Kalshi: Will Vancouver win the MLS Cup?
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Will Inter Miami CF win the 2026 MLS Cup?
Kalshi: Will Miami win the MLS Cup?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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HOU Texans vs JAC Jaguars
K 11.07M contracts
Pro Football Championship Game Matchup
K 9.41M contracts
LALIGA: 2027 Champion
PM $8.54M
Oscar Winner: Best Picture
K 9.23M contracts
Seahawks vs. Broncos
PM $8.30M
Measles cases in U.S. in 2026?
PM $8.13M · K 629.5K contractsWill there be at least 5000 measles cases in the U.S. in 2026?
Kalshi: Will there be more than 5000 measles cases in 2026?
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Will there be at least 6000 measles cases in the U.S. in 2026?
Kalshi: Will there be more than 6000 measles cases in 2026?
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Will there be at least 7000 measles cases in the U.S. in 2026?
Kalshi: Will there be more than 7000 measles cases in 2026?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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Steph Curry's Next Team
K 6.76M contracts
NASCAR Cup Series Champion
K 5.40M contracts
NBA: 2026-27 Rookie of the Year
PM $7.98M
AL MVP Winner
K 5.34M contracts
Brighton & Hove Albion FC vs. Crystal Palace FC
PM $7.66M
Houston vs Jacksonville: Spread
K 5.31M contracts
Pro Football: 2027 NFC Champion
PM $6.47M
Which company has the best AI model end of October?
PM $5.43M · K 14.73M contractsWill Google have the best AI model at the end of October 2026?
Kalshi: Best AI on Dec 31, 2026? (Gemini)
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Will Anthropic have the best AI model at the end of December 2026?
Kalshi: Best AI on Dec 31, 2026? (Claude)
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Will Anthropic have the best AI model at the end of October 2026?
Kalshi: Best AI on Dec 31, 2026? (Claude)
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English Premier League Champion
K 5.29M contracts
Offensive Rookie of the Year Winner?
K 5.21M contracts
Nottingham Forest FC vs. Arsenal FC
PM $5.30M
Coach of the Year Winner?
K 5.08M contracts
Pro Football: 2027 AFC Champion
PM $3.86M
NFC East Division Winner
K 4.77M contracts
Where will 2026 rank among the hottest years on record?
PM $3.79M
NL MVP Winner
K 4.53M contracts
Notre Dame vs. BYU
PM $3.26M
Will GameStop acquire eBay in 2026?
PM $3.14M · K 3.55M contractsWill GameStop acquire eBay?
Kalshi: Will GameStop announce acquisition of eBay before Jan 1, 2027?
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NL Rookie of the Year Winner
K 4.46M contracts
Offensive Player of the Year Winner?
K 4.39M contracts
Texas vs. Oklahoma
PM $2.86M
Champions League Winner
K 4.36M contracts