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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 987 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 33.40M contractsWill the US confirm that aliens exist before 2027?
Kalshi: Will the U.S. confirm that aliens exist before 2027?
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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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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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Oscar Winner: Best Picture
K 9.23M contracts
Dancing with the Stars Season 35 · Winner
K 3.40M contracts
Grand Theft Auto VI: Release date
K 3.31M contracts
Next James Bond film: Actor cast as James Bond
PM $1.47M · K 2.55M contractsJack Lowden announced as next James Bond?
Kalshi: Will Jack Lowden be the next James Bond?
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Callum Turner announced as next James Bond?
Kalshi: Will Callum Turner 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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The Game Awards: Game of the Year
K 2.53M 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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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
#1 searched person on Google in 2026
K 1.64M contracts
Street Fighter · Rotten Tomatoes score
K 1.51M contracts
Oscar nominees: Best Picture
K 1.31M contracts
Oscar Winner: Best Actor
K 1.29M contracts
Sense and Sensibility · Rotten Tomatoes score
K 1.25M contracts
Top Artist on Spotify U.S. 2026
K 1.18M contracts
Pro Football Championship Halftime Show: Headliner(s)
K 1.18M contracts
Which AI company will have the best coding model at the end of 2026?
K 1.16M contracts
You Can See Everything · Rotten Tomatoes score
K 1.10M contracts
Avengers: Doomsday: Cast
K 944.1K contracts
When will OpenAI achieve AGI?
PM $325.4K · K 867.0K contractsOpenAI announces it has achieved AGI before 2027?
Kalshi: Will OpenAI announce the creation of AGI? (Before 2027)
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US grants license for new nuclear reactor before 2027?
K 833.7K contracts
Top artist on Spotify in 2026?
PM $1.73M · K 816.5K 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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How many launches will SpaceX have in 2026?
K 741.1K contracts
Grand Theft Auto VI: The Album · Features
K 714.4K contracts
When will Anthropic release Mythos?
K 713.7K contracts
Whalefall · Rotten Tomatoes score
K 681.8K contracts
Avengers: Doomsday: Rotten Tomatoes score
K 674.4K contracts
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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Wildwood · Rotten Tomatoes score
K 614.3K contracts
Dancing with the Stars · Episode 7 Elimination
K 582.9K contracts
NASA lands on the moon?
K 554.0K contracts
Washington aerospace manufacturing employment average in 2026
K 522.7K contracts
Best AI in Oct 2026?
K 507.9K contracts
Oscar nominees: Best Actor
K 488.1K contracts
Google market share this week
K 464.8K contracts
Godzilla Minus Zero · Rotten Tomatoes score
K 443.4K contracts
Tesla Optimus released this year?
PM $132.9K · K 433.3K contractsWill Tesla release Optimus by December 31, 2026?
Kalshi: Tesla Optimus on sale before 2027?
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OpenAI market share this week
K 431.0K contracts
Who will headline Coachella 2027?
K 430.0K contracts
Which companies will have a top-ranked AI model this year?
K 424.9K contracts
Will the FDA approve any psychedelic substance for medical use this year?
K 413.9K contracts
Who will have a #1 album this year?
K 406.6K contracts
DeepSeek market share this week
K 403.1K contracts
Taylor Swift: Wedding Dress
K 398.0K contracts
Which countries will report an Ebola case in 2026?
K 386.7K contracts
Wild Horse Nine · Rotten Tomatoes score
K 375.6K contracts