Browse prediction markets

Hantavirus Public Health Emergency of International Concern by 2026?Yes 3.9%

Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?

K 2.02M contracts

PM $18.62M · K 984.2K contracts

PolymarketKalshiHealth

Pandemic in 2026?

Hantavirus pandemic in 2026?

Kalshi: Pandemic in 2026?

Related contracts

PM Yes 1.4%Rules differK Yes 5%

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

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1 saved comparisonNext deadline Jan 1, 2027 UTC

KalshiEntertainment

Will 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 98%Rules differK Yes 97%

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 89%Rules differK Yes 83.5%

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 54%Rules differK Yes 55%

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4 saved comparisonsNext deadline Jan 1, 2027 UTC

Will Ryan Reynolds perform as Deadpool in Avengers: Doomsday?Yes 94.5%

Avengers: Doomsday: Cast

K 947.3K contracts

Will Hugh Jackman perform as Wolverine in Avengers: Doomsday?Yes 92%

Will Benedict Cumberbatch perform as Doctor Strange in Avengers: Doomsday?Yes 89%

+16 moreNext deadline Jan 1, 2028 UTC

Will SpaceX have the highest IPO Market Cap 2026?Yes 68%

Largest IPO by market cap in 2026?

PM $6.63M

Will Anthropic have the highest IPO Market Cap 2026?Yes 31.6%

Will OpenAI have the highest IPO Market Cap 2026?Yes 0.4%

+9 moreNext deadline Dec 31, 2026 UTC

PM $5.45M · K 14.77M contracts

Which company has the best AI model end of October?

Will Google have the best AI model at the end of October 2026?

Kalshi: Best AI on Dec 31, 2026? (Gemini)

Related contracts

PM Yes 75.6%Rules differK Yes 37.8%

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 46.9%

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 23.5%Rules differK Yes 46.9%

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15 saved comparisonsNext deadline Oct 31, 2026 UTC

Will a new nuclear reactor be approved by Dec 31, 2026?Yes 5.8%

US grants license for new nuclear reactor before 2027?

K 833.8K contracts

How many launches will SpaceX have in 2026? (Above 120)Yes 98.5%

How many launches will SpaceX have in 2026?

K 741.1K contracts

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 28%

+7 moreNext deadline Jan 7, 2027 UTC

Will 2026 be the hottest year on record?Yes 82.5%

Where will 2026 rank among the hottest years on record?

PM $3.79M

Will 2026 be the second-hottest year on record?Yes 18%

Will 2026 be the third-hottest year on record?Yes 0.3%

+3 moreNext deadline Dec 31, 2026 UTC

KalshiCulture

Grand Theft Auto VI: The Album · Features

K 721.6K contracts

Will 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

PolymarketKalshiCulture

Top artist on Spotify in 2026?

PM $1.73M · K 818.3K contracts

Will 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 2.9%Rules differK Yes 3%

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9 saved comparisonsNext deadline Feb 1, 2027 UTC

Will Anthropic release Mythos before Jan 1, 2027?Yes 10%

When will Anthropic release Mythos?

K 714.7K contracts

Will Anthropic release Mythos before Dec 1, 2026?Yes 2.5%

Will Anthropic release Mythos before Nov 1, 2026?Yes 2%

3 mktsNext deadline Nov 8, 2026 UTC

Will there be between 14 and 16 earthquakes of magnitude 7.0 or higher worldwide in 2026?Yes 49%

How many 7.0 or above earthquakes in 2026?

PM $1.48M

Will there be between 17 and 19 earthquakes of magnitude 7.0 or higher worldwide in 2026?Yes 18.5%

Will there be between 11 and 13 earthquakes of magnitude 7.0 or higher worldwide in 2026?Yes 17.5%

+1 moreNext deadline Jan 8, 2027 UTC

KalshiScience

NASA lands on the moon?

K 554.0K contracts

Will 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

New pandemic in 2026?Yes 3.3%

New pandemic in 2026?

PM $1.24M

Will Washington’s annual-average employment in Aerospace Product and Parts Manufacturing for 2026 be above 80,000 jobs?Yes 97.5%

KalshiScience

Washington aerospace manufacturing employment average in 2026

K 522.7K contracts

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

Will there be exactly 1 confirmed VEI 4 or higher volcanic eruption worldwide in 2026?Yes 51.5%

How many large volcano eruptions (VEI ≥4) in 2026?

PM $1.17M

Will there be exactly 0 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?Yes 33.5%

Will there be exactly 3 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?Yes 10.4%

+3 moreNext deadline Jan 1, 2027 UTC

Best AI in Oct 2026? (Gemini)Yes 75.5%

Best AI in Oct 2026?

K 510.9K contracts

Best AI in Oct 2026? (Claude)Yes 24.5%

Best AI in Oct 2026? (Muse)Yes 1.5%

+4 moreNext deadline Dec 1, 2026 UTC

10.0 or above earthquake before 2027?Yes 0.9%

10.0 or above earthquake before 2027?

PM $833.2K

1 mktNext deadline Feb 1, 2027 UTC

OpenAI market share this week? (Above 18.4%)Yes 99.5%

OpenAI market share this week

K 508.1K contracts

OpenAI market share this week? (Above 18.1%)Yes 99.5%

OpenAI market share this week? (Above 17.1%)Yes 99.5%

+6 moreNext deadline Oct 19, 2026 UTC

PolymarketHealth

Ebola pandemic in 2026?

PM $784.1K

Ebola pandemic in 2026?Yes 2.1%

KalshiClimate and Weather

Will there be an 8 magnitude earthquake in California before 2027?

K 502.5K contracts

Will there be an at least 8 magnitude earthquake in California before 2027?Yes 3.5%

1 mktNext deadline Jan 8, 2027 UTC

FDA approves Retatrutide this year?Yes 2.5%

FDA approves Retatrutide this year?

PM $595.2K

Google market share this week? (Above 19.5%)Yes 99.5%

Google market share this week

K 478.4K contracts

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

Will less than 5 SpaceX Starship launches successfully reach Space in 2026?Yes 54%

How many SpaceX Starship launches reach space in 2026?

PM $525.0K

Will 5-6 SpaceX Starship launches successfully reach Space in 2026?Yes 37%

Will 7-8 SpaceX Starship launches successfully reach Space in 2026?Yes 1.2%

+5 moreNext deadline Jan 1, 2027 UTC

DeepSeek market share this week? (Above 24.1%)Yes 99.5%

DeepSeek market share this week

K 450.5K contracts

DeepSeek market share this week? (Above 23.9%)Yes 99.5%

DeepSeek market share this week? (Above 23.2%)Yes 99.5%

+6 moreNext deadline Oct 19, 2026 UTC

Plague pandemic in 2026?Yes 1.8%

Plague pandemic in 2026?

PM $493.1K

PM $460.4K · K 10.4K contracts

When will an AI lab solve another Millennium Prize Problem?

Will an AI lab announce another Millennium Prize solution by December 31, 2027?

Kalshi: Will any AI lab solve a Millennium Prize Problem before 2028?

Related contracts

PM Yes 64.5%Rules differK Yes 65.5%

Will an AI lab announce another Millennium Prize solution by December 31, 2026?

Kalshi: Will any AI lab solve a Millennium Prize Problem before 2027?

Related contracts

PM Yes 24.5%Rules differK Yes 33%

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

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2 saved comparisonsNext deadline Nov 7, 2026 UTC

KalshiClimate and Weather

Will 2026 be the hottest year ever?

K 427.8K contracts

Will 2026 be the hottest year on record?Yes 72.9%

1 mktNext deadline Apr 1, 2027 UTC

Will OpenAI have a top-ranked AI model before 2027?Yes 13.5%

Which companies will have a top-ranked AI model this year?

K 425.0K contracts

Will xAI have a top-ranked AI model before 2027?Yes 9.5%

Will ByteDance have a top-ranked AI model before 2027?Yes 7.5%

+9 moreNext deadline Jan 1, 2027 UTC

Will any Category 4 hurricane make landfall in the US in before 2027?Yes 7.5%

Will any Category 4 hurricane make landfall in the US in before 2027?

PM $350.6K

Will the FDA approve Any psychedelic substance for medical use this year?Yes 20%

Will the FDA approve any psychedelic substance for medical use this year?

K 414.1K contracts

1 mktNext deadline Jan 8, 2027 UTC

Will SpaceX have between 140-159 launches in 2026?Yes 77.8%

How many SpaceX launches in 2026?

PM $336.4K

Will SpaceX have between 120-139 launches in 2026?Yes 7.8%

Will SpaceX have between 180-199 launches in 2026?Yes 4.7%

+3 moreNext deadline Jan 1, 2027 UTC

Will it rain in Miami on Oct 18, 2026?Yes 99.5%

Where will it rain on Oct 18, 2026?

K 393.1K contracts

Will it rain in West Palm Beach on Oct 18, 2026?Yes 15%

Will it rain in Phoenix on Oct 18, 2026?Yes 8.5%

+32 moreNext deadline Oct 20, 2026 UTC

9.0 or above earthquake before 2027?Yes 3.9%

9.0 or above earthquake before 2027?

PM $332.5K

1 mktNext deadline Feb 1, 2027 UTC

KalshiHealth

Which countries will report an Ebola case in 2026?

K 386.9K contracts

Will a human case of Ebola disease in Central African Republic be reported before Jan 1, 2027?Yes 68%

Will a human case of Ebola disease in South Sudan be reported before Jan 1, 2027?Yes 35.5%

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

PM $331.3K · K 868.2K contracts

When will OpenAI achieve AGI?

OpenAI 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 5%

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1 saved comparisonNext deadline Jan 1, 2027 UTC

Will a Millennium Prize be awarded for any unsolved Millennium Prize Problem before Jan 1, 2035?Yes 83.2%

When will the next Millennium Prize be awarded?

K 332.3K contracts

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

5kt meteor strike in 2026?Yes 16.5%

5kt meteor strike in 2026?

PM $314.9K

1 mktNext deadline Mar 1, 2027 UTC

PM $278.2K · K 140.2K contracts

Will a Chinese company have a top ___ AI model by December 31?

Will 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 8.5%

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1 saved comparisonNext deadline Jan 1, 2027 UTC

Will Waymo operate ride-hailing in Denver, CO before Jan 1, 2027?Yes 95.5%

Where will Waymo operate in 2026?

K 272.2K contracts

Will Waymo operate ride-hailing in Las Vegas, NV before Jan 1, 2027?Yes 88%

Will Waymo operate ride-hailing in Sacramento, CA before Jan 1, 2027?Yes 16%

+16 moreNext deadline Jan 8, 2027 UTC

Best AI this week (Gemini)Yes 99.5%

Best AI this week

K 263.0K contracts

Best AI this week (Grok)Yes 0.5%

Best AI this week (ChatGPT)Yes 0.5%

+6 moreNext deadline Nov 19, 2026 UTC

Natural Disaster in 2026?Yes 9.5%

Natural Disaster in 2026?

PM $250.2K

1 mktNext deadline Mar 1, 2027 UTC

Will it rain in West Palm Beach between Oct 17 and Oct 18, 2026?Yes 99.5%

Where will it rain this weekend (Oct 17 - Oct 18)?

K 254.0K contracts

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

New COVID variant of concern before 2027?Yes 14.5%

New COVID variant of concern before 2027?

PM $247.2K