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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 49-96 of 269 event groups
Ranked within each platform by reported lifetime volume. Polymarket reports dollars; Kalshi reports contracts.
KalshiScience
Which country will be the next to send humans to the Moon?
K 171.9K 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
PolymarketHealth
Plague case in US by December 31?
PM $14.4KPlague case in US by December 31?Yes 7.5%
1 mktNext deadline Jan 1, 2027 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 11.5%
+3 moreNext deadline Jan 8, 2027 UTC
PolymarketScience
Screwworm National Emergency declared by...?
PM $11.1KScrewworm National Emergency declared by December 31?Yes 14%
Screwworm National Emergency declared by October 31?Yes 6.4%
2 mktsNext deadline Nov 1, 2026 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
PolymarketHealth
FDA moves BPC-157 to Category 1 by…?
PM $4.8KWill the FDA reclassify BPC-157 to Category 1 of the Bulk Drug Substances List by December 31, 2026?Yes 53%
1 mktNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will a major meteor strike hit Earth before 2030?
K 145.5K contractsWill a major meteor strike hit Earth before 2030?Yes 55%
1 mktNext deadline Jan 8, 2030 UTC
PolymarketScience
Will Jeff Bezos go to space before 2028?
PM $167.51Will Jeff Bezos go to space before 2028?Yes 25.5%
1 mktNext deadline Jan 1, 2028 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 48.5%
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
KalshiScience
Dallas vs Green Bay: Receiving Yards
K 137.8K contractsCeeDee Lamb: 40+ receiving yardsYes 85.5%
Christian Watson: 40+ receiving yardsYes 81.5%
Tucker Kraft: 25+ receiving yardsYes 79.5%
+106 moreNext deadline Oct 21, 2026 UTC
KalshiScience and Technology
Anthropic market share this week
K 132.7K 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 130.1K contractsWill Spencer Rattler be traded before Dec 1, 2026?Yes 62%
Will Jerry Jeudy be traded before Dec 1, 2026?Yes 57%
Will Will McDonald IV be traded before Dec 1, 2026?Yes 52.5%
+50 moreNext deadline Dec 15, 2026 UTC
KalshiSports
Gemini 3.5 Pro debut arena score
K 128.6K contractsGemini 3.5 Pro debut arena score? (above 1505)Yes 28%
Gemini 3.5 Pro debut arena score? (above 1490)Yes 28%
Gemini 3.5 Pro debut arena score? (above 1510)Yes 27%
+4 moreNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will Elon Musk visit Mars in his lifetime?
K 122.9K contractsWill Elon Musk visit Mars before Aug 1, 2099?Yes 10.5%
1 mktNext deadline Aug 8, 2099 UTC
KalshiScience and Technology
Number of data centers in Pennsylvania this year?
K 119.2K contractsWill Pennsylvania have at least 180 data centers listed in 2026?Yes 74.5%
Will Pennsylvania have at least 185 data centers listed in 2026?Yes 64.5%
Will Pennsylvania have at least 190 data centers listed in 2026?Yes 57.5%
+3 moreNext deadline Jan 7, 2027 UTC
KalshiTech
When will OpenAI release a personal AI agent?
K 112.1K contractsWill OpenAI release a personal AI agent before Jan 1, 2027?Yes 32.5%
Will OpenAI release a personal AI agent before Dec 1, 2026?Yes 21%
Will OpenAI release a personal AI agent before Nov 1, 2026?Yes 8.5%
3 mktsNext deadline Nov 8, 2026 UTC
KalshiSports
AI capability growth this year?
K 106.4K contractsWill any AI model have a score of at least 1540 before Jan 1, 2027Yes 54.5%
Will any AI model have a score of at least 1550 before Jan 1, 2027Yes 35%
Will any AI model have a score of at least 1600 before Jan 1, 2027Yes 7.5%
+3 moreNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will SpaceX land anything successfully on Mars before 2030?
K 96.4K contractsWill SpaceX land anything on Mars before 2030?Yes 19.5%
1 mktNext deadline Jan 1, 2030 UTC
KalshiScience and Technology
Will Blue Origin land on the moon before SpaceX?
K 95.7K contractsWill Blue Origin land an uncrewed Blue Moon MK1 lander on the moon before SpaceX lands an uncrewed Starship?Yes 60.5%
1 mktNext deadline Jan 1, 2030 UTC
KalshiWorld
Will a pneumonic plague case be reported in the U.S. this year?
K 90.5K contractsWill a confirmed human case of pneumonic plague be reported in the United States before January 1, 2027?Yes 8.5%
Will a confirmed human case of pneumonic plague be reported in the United States before December 1, 2026?Yes 7%
Will a confirmed human case of pneumonic plague be reported in the United States before November 1, 2026?Yes 4.5%
3 mktsNext deadline Nov 8, 2026 UTC
KalshiScience
Dallas vs Green Bay: Receptions
K 88.2K contractsCeeDee Lamb: 3+ receptionsYes 92.5%
Tucker Kraft: 2+ receptionsYes 91.5%
Matthew Golden: 3+ receptionsYes 85.5%
+87 moreNext deadline Oct 21, 2026 UTC
KalshiPolitics
What will the average number of measles cases be during Trump's term?
K 82.1K contractsWhat will the average number of measles cases be during the Trump Administration? (At least 2000)Yes 96%
What will the average number of measles cases be during the Trump Administration? (At least 3000)Yes 83%
What will the average number of measles cases be during the Trump Administration? (At least 2500)Yes 78%
+4 moreNext deadline Jan 1, 2029 UTC
KalshiScience and Technology
Will Meta release Llama 5 this year?
K 80.7K contractsWill Meta release A model called Llama 5 or greater before Jan 2027?Yes 2.5%
1 mktNext deadline Jan 1, 2027 UTC
KalshiWorld
What will Kevin Warsh say during his October press conference?
K 71.6K contractsWill Kevin Warsh say Central Bank at his Oct 2026 press conference?Yes 94.5%
Will Kevin Warsh say Good Day at his Oct 2026 press conference?Yes 94%
Will Kevin Warsh say Productivity at his Oct 2026 press conference?Yes 80.5%
+44 moreNext deadline Oct 29, 2026 UTC
KalshiSports
US test scores in Reading in 2026?
K 69.7K contractsWill US test scores in Reading decline? (Significant decrease)Yes 42%
Will US test scores in Reading decline? (No significant difference)Yes 39%
Will US test scores in Reading decline? (Significant increase)Yes 20.5%
3 mktsNext deadline Dec 31, 2027 UTC
KalshiTech
How many SpaceX Starship launches will reach space in 2026?
K 67.4K contractsWill exactly 5 Starship launches reach space in 2026?Yes 46.5%
Will exactly 4 Starship launches reach space in 2026?Yes 42%
Will exactly 3 Starship launches reach space in 2026?Yes 5.5%
+7 moreNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Ebola pandemic in 2026?
K 67.3K contractsNew pandemic by 2026?Yes 4%
1 mktNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will two SpaceX Starships dock together before 2028?
K 65.9K contractsWill two SpaceX Starships dock together before 2028?Yes 66.5%
1 mktNext deadline Jan 1, 2028 UTC
KalshiHealth
Will the FDA approve retatrutide?
K 65.7K contractsWhen will the FDA approve retatrutide (LY3437943)? (Before Jan 1, 2029)Yes 91.5%
When will the FDA approve retatrutide (LY3437943)? (Before Jul 1, 2028)Yes 87.5%
When will the FDA approve retatrutide (LY3437943)? (Before Jan 1, 2028)Yes 72.5%
+2 moreNext deadline Jan 8, 2027 UTC
KalshiSports
US test scores in Math in 2026?
K 62.8K contractsWill US test scores in Math decline? (No significant difference)Yes 42%
Will US test scores in Math decline? (Significant decrease)Yes 33.5%
Will US test scores in Math decline? (Significant increase)Yes 21%
3 mktsNext deadline Dec 31, 2027 UTC
KalshiScience and Technology
New York Times wins OpenAI lawsuit?
K 61.6K contractsWill a court find that OpenAI has infringed the copyright of the New York Times?Yes 59.3%
1 mktNext deadline Jan 1, 2028 UTC
KalshiSports
Pro Basketball Players Traded
K 61.3K contractsWill Zach LaVine be traded after Issuance and before Feb 12, 2027?Yes 52.5%
Will Zion Williamson be traded after Issuance and before Feb 12, 2027?Yes 50.5%
Will Michael Porter Jr. be traded after Issuance and before Feb 12, 2027?Yes 49%
+43 moreNext deadline Feb 19, 2027 UTC
KalshiTech
SpaceX Starship 15th launch?
K 60.5K contractsWill SpaceX launch another Starship before Dec 11, 2026?Yes 90.5%
Will SpaceX launch another Starship before Nov 27, 2026?Yes 75.5%
Will SpaceX launch another Starship before Nov 13, 2026?Yes 17%
+1 moreNext deadline Nov 6, 2026 UTC
KalshiScience and Technology
Confirmed Irkutsk plague cases in Oct 2026?
K 60.4K contracts1 or more confirmed plague cases in Irkutsk Oblast before November 1, 2026Yes 8%
5 or more confirmed plague cases in Irkutsk Oblast before November 1, 2026Yes 4.5%
2 or more confirmed plague cases in Irkutsk Oblast before November 1, 2026Yes 3.5%
3 mktsNext deadline Nov 8, 2026 UTC
KalshiScience and Technology
Will a humanoid robot walk on Mars before a human does?
K 57.1K contractsWill a humanoid robot walk on Mars before a human does?Yes 52.5%
1 mktNext deadline Jan 1, 2035 UTC
KalshiTech
When will Blue Origin's New Glenn rocket launch?
K 55.7K contractsWill Blue Origin's New Glenn rocket launch before Apr 2027?Yes 68%
Will Blue Origin's New Glenn rocket launch before Mar 2027?Yes 43%
Will Blue Origin's New Glenn rocket launch before Feb 2027?Yes 31.5%
+3 moreNext deadline Nov 1, 2026 UTC
KalshiCompanies
Starship launches humans to Mars before 2030?
K 54.6K contractsManned Starship mission to Mars before 2030?Yes 15.5%
1 mktNext deadline Jan 1, 2030 UTC
KalshiTech
Next Gemini Pro model release
K 54.3K contractsWill Google release next Gemini Pro model before Dec 1, 2026?Yes 20%
Will Google release next Gemini Pro model before Nov 16, 2026?Yes 15.5%
Will Google release next Gemini Pro model before Nov 1, 2026?Yes 6%
3 mktsNext deadline Nov 8, 2026 UTC
KalshiCrypto
OpenRouter token usage in Oct 12–18
K 53.8K contractsWill OpenRouter token usage for Oct 12–18, 2026 be above 174T tokens?Yes 11%
Will OpenRouter token usage for Oct 12–18, 2026 be above 180T tokens?Yes 2.5%
Will OpenRouter token usage for Oct 12–18, 2026 be above 178T tokens?Yes 2.5%
+9 moreNext deadline Oct 26, 2026 UTC
KalshiSports
Highest score on Humanity's Last Exam before Dec 31, 2026?
K 53.4K contractsWill any LLM score at least 50% on Humanity's Last Exam before Dec 31, 2026?Yes 98.5%
Will any LLM score at least 55% on Humanity's Last Exam before Dec 31, 2026?Yes 98%
Will any LLM score at least 60% on Humanity's Last Exam before Dec 31, 2026?Yes 45.5%
+6 moreNext deadline Dec 31, 2026 UTC
KalshiScience and Technology
When will nuclear fusion be achieved?
K 50.1K contractsWhen will nuclear fusion be achieved? (Before 2040)Yes 51.4%
When will nuclear fusion be achieved? (Before 2035)Yes 47.6%
When will nuclear fusion be achieved? (Before 2030)Yes 30.3%
3 mktsNext deadline Jan 8, 2040 UTC
KalshiScience and Technology
When will the first useful quantum computer be developed?
K 48.3K contractsWhen will the first useful quantum computer be developed? (Before 2040)Yes 61.5%
When will the first useful quantum computer be developed? (Before 2035)Yes 51.3%
When will the first useful quantum computer be developed? (Before 2030)Yes 37.4%
+1 moreNext deadline Jan 8, 2027 UTC
KalshiCompanies
Top Chinese AI Company week of October 19th
K 47.3K contractsTop Chinese AI Company week of October 19th? (Xiaomi)Yes 75%
Top Chinese AI Company week of October 19th? (Alibaba)Yes 12%
Top Chinese AI Company week of October 19th? (Moonshot)Yes 3%
+7 moreNext deadline Oct 26, 2026 UTC
KalshiHealth
Will there be a year without polio before 2030?
K 42.8K contractsWill there be a year with zero wild polio cases before 2030?Yes 5.2%
1 mktNext deadline Jan 1, 2030 UTC
KalshiWorld
Cyclosporiasis cases reported in the US in 2026?
K 42.7K contractsAbove 14000 Cyclosporiasis cases in the United States during 2026Yes 99.5%
Above 4000 Cyclosporiasis cases in the United States during 2026Yes 98.5%
Above 18000 Cyclosporiasis cases in the United States during 2026Yes 98.5%
+12 moreNext deadline Jan 8, 2027 UTC
KalshiScience and Technology
When will SpaceX's Starship launch from Florida?
K 42.2K contractsWill SpaceX's Starship launch from Florida this year?Yes 25%
1 mktNext deadline Jan 8, 2027 UTC
KalshiTech
Top AI model this month
K 42.0K contractsWhat will be the top AI model on Oct 31, 2026? (gemini-4-argon-high)Yes 71.5%
What will be the top AI model on Oct 31, 2026? (claude-opus-5.5-high)Yes 1%
What will be the top AI model on Oct 31, 2026? (claude-fable-5.1-max)Yes 0.5%
3 mktsNext deadline Oct 31, 2026 UTC