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Explore the full Polymarket and Kalshi catalog. A group may contain related contracts with different settlement rules.
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Showing 1-48 of 471 event groups
Ranked within each platform by reported lifetime volume. Polymarket reports dollars; Kalshi reports contracts.
PolymarketKalshiPolitics
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
PM Yes 5.1%Rules differK Yes 4.2%
Will the US confirm that aliens exist by October 31?
Kalshi: Will the U.S. confirm that aliens exist before Nov 1, 2026?
Related contracts
PM Yes 0.5%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.
2 saved comparisonsNext deadline Nov 1, 2026 UTC
PolymarketKalshiTech
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)
Related contracts
PM Yes 73.8%Rules differK Yes 36.9%
Will Anthropic have the best AI model at the end of December 2026?
Kalshi: Best AI on Dec 31, 2026? (Claude)
Related contracts
PM Yes 47.5%Rules differK Yes 45.6%
Will Anthropic have the best AI model at the end of October 2026?
Kalshi: Best AI on Dec 31, 2026? (Claude)
Related contracts
PM Yes 25.5%Rules differK Yes 45.6%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
15 saved comparisonsNext deadline Oct 31, 2026 UTC
KalshiScience and Technology
Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?
K 2.02M contractsHantavirus Public Health Emergency of International Concern by 2026?Yes 3.9%
1 mktNext deadline Jan 1, 2027 UTC
KalshiEntertainment
Top Artist on Spotify U.S. 2026
K 1.18M contractsWill Drake be the #1 most streamed Artist on the 2026 Spotify Wrapped Top 10 Artist U.S chart on the date that the chart is released for 2026?Yes 82.5%
Will Taylor Swift be the #1 most streamed Artist on the 2026 Spotify Wrapped Top 10 Artist U.S chart on the date that the chart is released for 2026?Yes 11%
Will Bad Bunny be the #1 most streamed Artist on the 2026 Spotify Wrapped Top 10 Artist U.S chart on the date that the chart is released for 2026?Yes 3.5%
+13 moreNext deadline Jan 7, 2027 UTC
KalshiCompanies
Which AI company will have the best coding model at the end of 2026?
K 1.16M contractsWhich AI company will have the best coding model on Dec 31, 2026? (Anthropic)Yes 74%
Which AI company will have the best coding model on Dec 31, 2026? (OpenAI)Yes 16.5%
Which AI company will have the best coding model on Dec 31, 2026? (Google)Yes 3.5%
+6 moreNext deadline Dec 31, 2026 UTC
KalshiTech
Avengers: Doomsday: Cast
K 944.1K contractsWill Hugh Jackman perform as Wolverine in Avengers: Doomsday?Yes 92%
Will Ryan Reynolds perform as Deadpool in Avengers: Doomsday?Yes 90.5%
Will Benedict Cumberbatch perform as Doctor Strange in Avengers: Doomsday?Yes 90%
+16 moreNext deadline Jan 1, 2028 UTC
PolymarketKalshiTech
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)
Related contracts
PM Yes 8.5%Rules differK Yes 6.7%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
1 saved comparisonNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
US grants license for new nuclear reactor before 2027?
K 833.7K contractsWill a new nuclear reactor be approved by Dec 31, 2026?Yes 6.3%
1 mktNext deadline Jan 1, 2027 UTC
PolymarketKalshiCulture
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)
Related contracts
PM Yes 85.5%Rules differK Yes 85.5%
Will Taylor Swift be the top artist for 2026?
Kalshi: Who will be the top Spotify artist this year? (Taylor Swift)
Related contracts
PM Yes 10.3%Rules differK Yes 11.5%
Will Drake be the top artist for 2026?
Kalshi: Who will be the top Spotify artist this year? (Drake)
Related contracts
PM Yes 3.1%Rules differK Yes 3.5%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
9 saved comparisonsNext deadline Feb 1, 2027 UTC
KalshiTech
How many launches will SpaceX have in 2026?
K 741.1K contractsHow many launches will SpaceX have in 2026? (Above 120)Yes 98.5%
How many launches will SpaceX have in 2026? (Above 140)Yes 79.5%
How many launches will SpaceX have in Dec 2026? (Above 145)Yes 27.5%
+7 moreNext deadline Jan 7, 2027 UTC
KalshiCulture
Grand Theft Auto VI: The Album · Features
K 714.4K contractsWill SZA be featured on Grand Theft Auto VI: The Album?Yes 99.5%
Will Rauw Alejandro be featured on Grand Theft Auto VI: The Album?Yes 99.5%
Will PinkPantheress be featured on Grand Theft Auto VI: The Album?Yes 99.5%
+127 moreNext deadline Jan 7, 2027 UTC
KalshiScience and Technology
When will Anthropic release Mythos?
K 713.7K contractsWill Anthropic release Mythos before Jan 1, 2027?Yes 10%
Will Anthropic release Mythos before Dec 1, 2026?Yes 2.5%
Will Anthropic release Mythos before Nov 1, 2026?Yes 1.5%
3 mktsNext deadline Nov 8, 2026 UTC
PolymarketKalshiClimate
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?
Related contracts
PM Yes 97.9%Rules differK Yes 96.5%
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
PM Yes 88.5%Rules differK Yes 84.5%
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?
Related contracts
PM Yes 53%Rules differK Yes 56%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
4 saved comparisonsNext deadline Jan 1, 2027 UTC
KalshiScience
NASA lands on the moon?
K 554.0K contractsWill NASA land a person on the Moon by 2029?Yes 41.5%
Will NASA land a person on the Moon by 2028?Yes 23.5%
Will NASA land a person on the Moon before 2028?Yes 3.1%
+1 moreNext deadline Jan 1, 2027 UTC
KalshiScience
Washington aerospace manufacturing employment average in 2026
K 522.7K contractsWill Washington’s annual-average employment in Aerospace Product and Parts Manufacturing for 2026 be above 80,000 jobs?Yes 97.5%
Will Washington’s annual-average employment in Aerospace Product and Parts Manufacturing for 2026 be above 81,000 jobs?Yes 96.5%
Will Washington’s annual-average employment in Aerospace Product and Parts Manufacturing for 2026 be above 82,000 jobs?Yes 92.5%
+10 moreNext deadline May 7, 2027 UTC
KalshiTech
Best AI in Oct 2026?
K 507.9K contractsBest AI in Oct 2026? (Gemini)Yes 75.5%
Best AI in Oct 2026? (Claude)Yes 22.5%
Best AI in Oct 2026? (Muse)Yes 1.5%
+4 moreNext deadline Dec 1, 2026 UTC
KalshiClimate and Weather
Will there be an 8 magnitude earthquake in California before 2027?
K 502.2K contractsWill there be an at least 8 magnitude earthquake in California before 2027?Yes 4.5%
1 mktNext deadline Jan 8, 2027 UTC
KalshiTech
Google market share this week
K 464.8K contractsGoogle market share this week? (Above 19.5%)Yes 99.5%
Google market share this week? (Above 18.9%)Yes 99.5%
Google market share this week? (Above 18.7%)Yes 99.5%
+6 moreNext deadline Oct 19, 2026 UTC
PolymarketKalshiTech
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?
Related contracts
PM Yes 12%Rules differK Yes 5.5%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
1 saved comparisonNext deadline Dec 31, 2026 UTC
KalshiTech
OpenAI market share this week
K 431.0K contractsOpenAI market share this week? (Above 18.1%)Yes 99.5%
OpenAI market share this week? (Above 17.1%)Yes 99.5%
OpenAI market share this week? (Above 15.1%)Yes 99.5%
+6 moreNext deadline Oct 19, 2026 UTC
KalshiClimate and Weather
Will 2026 be the hottest year ever?
K 426.7K contractsWill 2026 be the hottest year on record?Yes 69.8%
1 mktNext deadline Apr 1, 2027 UTC
KalshiTech
Which companies will have a top-ranked AI model this year?
K 424.9K contractsWill OpenAI have a top-ranked AI model before 2027?Yes 14.5%
Will xAI have a top-ranked AI model before 2027?Yes 10.5%
Will ByteDance have a top-ranked AI model before 2027?Yes 7.5%
+9 moreNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will the FDA approve any psychedelic substance for medical use this year?
K 413.9K contractsWill the FDA approve Any psychedelic substance for medical use this year?Yes 20.5%
1 mktNext deadline Jan 8, 2027 UTC
KalshiScience and Technology
DeepSeek market share this week
K 403.1K contractsDeepSeek market share this week? (Above 23.9%)Yes 99.5%
DeepSeek market share this week? (Above 23.2%)Yes 99.5%
DeepSeek market share this week? (Above 21.7%)Yes 99.5%
+6 moreNext deadline Oct 19, 2026 UTC
KalshiHealth
Which countries will report an Ebola case in 2026?
K 386.7K contractsWill a human case of Ebola disease in Central African Republic be reported before Jan 1, 2027?Yes 71.5%
Will a human case of Ebola disease in South Sudan be reported before Jan 1, 2027?Yes 34.5%
Will a human case of Ebola disease in Somalia be reported before Jan 1, 2027?Yes 29.5%
+12 moreNext deadline Jan 8, 2027 UTC
KalshiScience and Technology
When will the next Millennium Prize be awarded?
K 332.3K contractsWill a Millennium Prize be awarded for any unsolved Millennium Prize Problem before Jan 1, 2035?Yes 83.2%
Will a Millennium Prize be awarded for any unsolved Millennium Prize Problem before Jan 1, 2030?Yes 58.5%
Will a Millennium Prize be awarded for any unsolved Millennium Prize Problem before Jan 1, 2029?Yes 29.5%
+2 moreNext deadline Jan 2, 2027 UTC
KalshiTech
Where will Waymo operate in 2026?
K 271.1K contractsWill Waymo operate ride-hailing in Denver, CO before Jan 1, 2027?Yes 95.5%
Will Waymo operate ride-hailing in Las Vegas, NV before Jan 1, 2027?Yes 86%
Will Waymo operate ride-hailing in Sacramento, CA before Jan 1, 2027?Yes 16.5%
+16 moreNext deadline Jan 8, 2027 UTC
KalshiTech
Best AI this week
K 259.7K contractsBest AI this week (Gemini)Yes 99.5%
Best AI this week (Grok)Yes 0.5%
Best AI this week (ChatGPT)Yes 0.5%
+6 moreNext deadline Nov 19, 2026 UTC
KalshiTech
When will OpenAI release Astra 6.1?
K 238.6K contractsWill OpenAI release Astra 6.1 before Nov 13, 2026?Yes 36%
Will OpenAI release Astra 6.1 before Nov 6, 2026?Yes 34%
Will OpenAI release Astra 6.1 before Oct 30, 2026?Yes 18%
+1 moreNext deadline Oct 30, 2026 UTC
KalshiTech
How many launches will SpaceX have in October?
K 229.2K contractsHow many launches will SpaceX have in Oct 2026? (Above 6)Yes 99.5%
How many launches will SpaceX have in Oct 2026? (Above 7)Yes 98.5%
How many launches will SpaceX have in Oct 2026? (Above 8)Yes 97.5%
+8 moreNext deadline Nov 7, 2026 UTC
KalshiTech
Where will it rain this weekend (Oct 17 - Oct 18)?
K 226.1K contractsWill it rain in West Palm Beach between Oct 17 and Oct 18, 2026?Yes 99.5%
Will it rain in Trenton between Oct 17 and Oct 18, 2026?Yes 99.5%
Will it rain in Seattle between Oct 17 and Oct 18, 2026?Yes 99.5%
+20 moreNext deadline Oct 21, 2026 UTC
KalshiTech
Where will it rain on Oct 18, 2026?
K 216.1K contractsWill it rain in Miami on Oct 18, 2026?Yes 99.5%
Will it rain in West Palm Beach on Oct 18, 2026?Yes 49%
Will it rain in Phoenix on Oct 18, 2026?Yes 27%
+32 moreNext deadline Oct 20, 2026 UTC
KalshiPolitics
Which agencies will Trump eliminate?
K 200.4K contractsWill USAID be eliminated?Yes 17.5%
Will EPA be eliminated?Yes 11.3%
Will IRS be eliminated?Yes 7.4%
+1 moreNext deadline Jan 20, 2029 UTC
KalshiScience and Technology
Which AI will be the first to hit 1550 on Text Arena?
K 193.9K contractsWill Claude be the first to hit 1550 on Text Arena?Yes 28.5%
Will Gemini be the first to hit 1550 on Text Arena?Yes 15.5%
Will ChatGPT be the first to hit 1550 on Text Arena?Yes 6.5%
+5 moreNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will OpenAI increase the cost of ChatGPT?
K 184.8K contractsWill OpenAI increase the cost of ChatGPT?Yes 13%
1 mktNext deadline Jan 1, 2027 UTC
KalshiClimate and Weather
Will a hurricane make landfall in Hawaii in 2026?
K 171.3K contractsWill a hurricane make landfall in Hawaii during the 2026 hurricane season?Yes 6%
1 mktNext deadline Jan 1, 2027 UTC
KalshiScience
Which country will be the next to send humans to the Moon?
K 171.2K contractsWhich country will be the next to send humans to the Moon? (United States)Yes 56.5%
Which country will be the next to send humans to the Moon? (China)Yes 30.9%
Which country will be the next to send humans to the Moon? (Russia)Yes 1.7%
+2 moreNext deadline Jan 1, 2031 UTC
KalshiWorld
How many human screwworm cases will be reported in the United States in 2026?
K 158.2K contractsAbove 0 New World screwworm infestation cases in the United States during 2026Yes 17.5%
Above 1 New World screwworm infestation cases in the United States during 2026Yes 12.5%
Above 2 New World screwworm infestation cases in the United States during 2026Yes 11%
+3 moreNext deadline Jan 8, 2027 UTC
KalshiTech
What kind of device will Jony Ive and OpenAI announce?
K 157.1K contractsWhat kind of device will Jony Ive and OpenAI announce? (Clip-on device for clothing)Yes 8.5%
What kind of device will Jony Ive and OpenAI announce? (Earbuds/Headphones)Yes 7%
What kind of device will Jony Ive and OpenAI announce? (Glasses)Yes 6.5%
+7 moreNext deadline Jan 1, 2027 UTC
KalshiClimate
How many major Atlantic hurricanes will there be in 2026?
K 152.8K contractsWill there be more than 1 major Atlantic hurricanes in 2026?Yes 19.5%
Will there be more than 2 major Atlantic hurricanes in 2026?Yes 8.5%
Will there be more than 3 major Atlantic hurricanes in 2026?Yes 4.5%
+4 moreNext deadline Dec 2, 2026 UTC
KalshiPolitics
What will be the largest source of global primary energy consumption in 2030?
K 146.7K contractsWhat will be the largest source of global primary energy consumption in 2030? (Oil)Yes 62.5%
What will be the largest source of global primary energy consumption in 2030? (Coal)Yes 13.5%
What will be the largest source of global primary energy consumption in 2030? (Gas)Yes 6.5%
+7 moreNext deadline Dec 30, 2032 UTC
KalshiScience and Technology
Will a major meteor strike hit Earth before 2030?
K 145.4K contractsWill a major meteor strike hit Earth before 2030?Yes 54.2%
1 mktNext deadline Jan 8, 2030 UTC
KalshiPolitics
Who will be named in Epstein files released in 2026?
K 145.3K contractsWho will be named in Epstein documents released in 2026? (Donald Trump)Yes 52%
Who will be named in Epstein documents released in 2026? (Bill Clinton)Yes 50.5%
Who will be named in Epstein documents released in 2026? (Naomi Campbell)Yes 45%
+15 moreNext deadline Jan 8, 2027 UTC
KalshiWorld
When will the Riemann hypothesis win the Millennium Prize?
K 144.4K contractsWill a Millennium Prize be awarded for Riemann hypothesis before Jan 1, 2035?Yes 50.5%
Will a Millennium Prize be awarded for Riemann hypothesis before Jan 1, 2032?Yes 44.5%
Will a Millennium Prize be awarded for Riemann hypothesis before Jan 1, 2030?Yes 27.5%
+1 moreNext deadline Jan 1, 2028 UTC
PolymarketKalshiTech
Will a Chinese company have a top ___ AI model by December 31?
PM $277.7K · K 140.2K contractsWill a Chinese company have the best AI model by December 31?
Kalshi: Will a Chinese AI model be #1 this year?
Related contracts
PM Yes 6.5%Rules differK Yes 8%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
1 saved comparisonNext deadline Jan 1, 2027 UTC
KalshiClimate and Weather
Total snowfall in Big Sky in December 2026?
K 135.7K contractsTotal snowfall in Big Sky in December 2026? (Above 5 inches)Yes 97.5%
Total snowfall in Big Sky in December 2026? (Above 10 inches)Yes 97.5%
Total snowfall in Big Sky in December 2026? (Above 15 inches)Yes 92.5%
+7 moreNext deadline Jan 7, 2027 UTC
KalshiScience and Technology
Anthropic market share this week
K 132.1K contractsAnthropic market share this week? (Above 4.5%)Yes 99.5%
Anthropic market share this week? (Above 4.0%)Yes 99.5%
Anthropic market share this week? (Above 3.8%)Yes 99.5%
+6 moreNext deadline Oct 19, 2026 UTC
KalshiWorld
NFL Players Traded
K 129.4K contractsWill Jonah Elliss be traded before Dec 1, 2026?Yes 60%
Will Jerry Jeudy be traded before Dec 1, 2026?Yes 57.5%
Will Spencer Rattler be traded before Dec 1, 2026?Yes 56.5%
+50 moreNext deadline Dec 15, 2026 UTC