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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 2,024 event groups
Ranked within each platform by reported lifetime volume. Polymarket reports dollars; Kalshi reports contracts.

Will the U.S. confirm that aliens exist?
PM $74.11M · K 33.41M 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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Oscar Winner: Best Picture
K 9.26M contracts
Dancing with the Stars Season 35 · Winner
K 3.41M contracts
Will Jesus Christ return before 2027?
PM $66.56M
Grand Theft Auto VI: Release date
K 3.31M contracts
New "Stranger Things" episode released by...?
PM $30.91M · K 2.51M contractsNew "Stranger Things" episode released by December 31?
Kalshi: Will A New Episode of Stranger Things be released Worldwide before Jan 1, 2027?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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The Game Awards: Game of the Year
K 2.53M contracts
Highest grossing movie in 2026?
PM $17.66M
Measles cases in U.S. in 2026?
PM $8.13M · K 629.9K 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?
Related contracts
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?
Related contracts
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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Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?
K 2.02M contracts
Time's Person of the Year for 2026
K 1.87M contracts
Largest IPO by market cap in 2026?
PM $6.63M
Which company has the best AI model end of October?
PM $5.44M · K 14.76M 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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#1 searched person on Google in 2026
K 1.64M contracts
Street Fighter · Rotten Tomatoes score
K 1.52M contracts
Will Satoshi move any Bitcoin in 2026?
PM $5.29M
Oscar nominees: Best Picture
K 1.31M contracts
Where will 2026 rank among the hottest years on record?
PM $3.79M
Oscar Winner: Best Actor
K 1.29M contracts
Bachelorette Season 22 Winner
PM $2.47M
Sense and Sensibility · Rotten Tomatoes score
K 1.25M contracts
Which movie has biggest opening weekend in 2026?
PM $2.43M
Top Artist on Spotify U.S. 2026
K 1.18M contracts
Taylor Swift pregnant by...?
PM $2.06M
Pro Football Championship Halftime Show: Headliner(s)
K 1.18M contracts
Top artist on Spotify in 2026?
PM $1.73M · K 817.2K contractsWill Bad Bunny be the top artist for 2026?
Kalshi: Who will be the top Spotify artist this year? (Bad Bunny)
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Will Taylor Swift be the top artist for 2026?
Kalshi: Who will be the top Spotify artist this year? (Taylor Swift)
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Will Drake be the top artist for 2026?
Kalshi: Who will be the top Spotify artist this year? (Drake)
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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Which AI company will have the best coding model at the end of 2026?
K 1.16M contracts
How many 7.0 or above earthquakes in 2026?
PM $1.48M
Next James Bond film: Actor cast as James Bond
PM $1.47M · K 2.55M contractsCallum Turner announced as next James Bond?
Kalshi: Will Callum Turner be the next James Bond?
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Jack Lowden announced as next James Bond?
Kalshi: Will Jack Lowden be the next James Bond?
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Josh O'Connor announced as next James Bond?
Kalshi: Will Josh O'Connor be the next James Bond?
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Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
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You Can See Everything · Rotten Tomatoes score
K 1.13M contracts
Avengers: Doomsday: Cast
K 944.6K contracts
Who will attend Taylor Swift and Travis Kelce's wedding?
PM $1.40M
US grants license for new nuclear reactor before 2027?
K 833.7K contracts
Elon Musk # tweets October 13 - October 20, 2026?
PM $1.36M
How many launches will SpaceX have in 2026?
K 741.1K contracts
New pandemic in 2026?
PM $1.24M
Grand Theft Auto VI: The Album · Features
K 718.8K contracts
How many large volcano eruptions (VEI ≥4) in 2026?
PM $1.17M
When will Anthropic release Mythos?
K 714.1K contracts
Kanye West performs in Russia by October 31?
PM $1.06M
Whalefall · Rotten Tomatoes score
K 685.2K contracts
Will the Doge-1 Lunar Mission launch by...?
PM $1.06M
Avengers: Doomsday: Rotten Tomatoes score
K 675.0K contracts
GTA 6 launch postponed again?
PM $864.5K
Wildwood · Rotten Tomatoes score
K 617.6K contracts
10.0 or above earthquake before 2027?
PM $833.2K
Dancing with the Stars · Episode 7 Elimination
K 598.3K contracts