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Explore the full Polymarket and Kalshi catalog. A group may contain related contracts with different settlement rules.

Market data updated . Prices are snapshots. The catalog refreshes every three hours.

Showing 1-48 of 763 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?

Will the U.S. confirm that aliens exist?

PM $74.11M · K 33.40M contracts

Will 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
PolymarketKalshiSports
Ballon d'Or Top 10 Finish 2026

Ballon d'Or Top 10 Finish 2026

PM $53.23M · K 15.71M contracts

Will Harry Kane finish in the top 10 of the 2026 Ballon d'Or?

Kalshi: Who will win the Ballon d'Or in 2026? (Harry Kane)

Related contracts

PM Yes 99.6%Rules differK Yes 64.5%

Will Lamine Yamal finish in the top 10 of the 2026 Ballon d'Or?

Kalshi: Who will win the Ballon d'Or in 2026? (Lamine Yamal)

Related contracts

PM Yes 99.6%Rules differK Yes 29.5%

Will Kylian Mbappé win the 2026 Ballon d'Or?

Kalshi: Kylian Mbappé: Top 10 in the 2026 men's Ballon d'Or?

Related contracts

PM Yes 2.9%Rules differK Yes 99.5%

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

Saved prices; check contract rules.

106 saved comparisonsNext deadline Oct 31, 2026 UTC
PolymarketKalshiTech
Which company has the best AI model end of October?

Which company has the best AI model end of October?

PM $5.43M · K 14.73M contracts

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 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
PolymarketKalshiPolitics
Brazil presidential runoff: margin of victory

Brazil presidential runoff: margin of victory

PM $189.63M · K 6.78M contracts

Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Kalshi: Will the margin of victory for Flávio Bolsonaro in the 2026 Brazilian presidential runoff be at least 1%?

Related contracts

PM Yes 80.8%Rules differK Yes 81.5%

Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Kalshi: Will Flávio Bolsonaro win the vote abroad in the Brazil presidential runoff?

Related contracts

PM Yes 80.8%Rules differK Yes 33%

Will Flávio Bolsonaro win the 2026 Brazilian presidential election?

Related contracts

PM Yes 80.8%Rules differK Yes 79.5%

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

Saved prices; check contract rules.

19 saved comparisonsNext deadline Oct 26, 2026 UTC
PolymarketKalshiPolitics
Who will officially lead Venezuela at the end of 2026?

Who will officially lead Venezuela at the end of 2026?

PM $98.43M · K 5.73M contracts

Will Nicolás Maduro be the leader of Venezuela end of 2026?

Kalshi: Will Nicolás Maduro be the head of state of Venezuela on Dec 31, 2026?

Needs review

PM Yes 71.9%Review neededK Yes 77%

Will Delcy Rodríguez be the leader of Venezuela end of 2026?

Kalshi: Will Delcy Rodríguez be the head of state of Venezuela on Dec 31, 2026?

Needs review

PM Yes 20%Review neededK Yes 18.5%

Will Edmundo González be the leader of Venezuela end of 2026?

Kalshi: Will Edmundo González Urrutia be the head of state of Venezuela on Dec 31, 2026?

Needs review

PM Yes 0.3%Review neededK Yes 6.1%

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

Saved prices; check contract rules.

15 saved comparisonsNext deadline Dec 31, 2026 UTC
PolymarketKalshiPolitics
Will Reza Pahlavi lead Iran in 2026?

Will Reza Pahlavi lead Iran in 2026?

PM $34.00M · K 5.12M contracts

Will Reza Pahlavi lead Iran in 2026?

Kalshi: Will Reza Pahlavi visit Iran before Jan 1, 2027?

Related contracts

PM Yes 2.5%Rules differK Yes 5.1%

Will Reza Pahlavi enter Iran by December 31?

Kalshi: Will Reza Pahlavi visit Iran before Jan 1, 2027?

Related contracts

PM Yes 3.4%Rules differK Yes 5.1%

Will Reza Pahlavi lead Iran in 2026?

Kalshi: Will the United States recognize Reza Pahlavi as the leader of Iran in 2026?

Related contracts

PM Yes 2.5%Rules differK Yes 4.9%

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

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6 saved comparisonsNext deadline Jan 1, 2027 UTC
PolymarketKalshiPolitics
Who will leave their role in the Trump administration in 2026?

Who will leave their role in the Trump administration in 2026?

PM $1.44M · K 4.51M contracts

Will Susie Wiles leave the Trump administration before 2027?

Kalshi: Will Susie WIles leaves Chief of Staff in before 2027?

Needs review

PM Yes 34.5%Review neededK Yes 37%

Will Tom Homan leave the Trump administration before 2027?

Kalshi: Will Tom Homan leaves White House Border Czar in before 2027?

Needs review

PM Yes 26%Review neededK Yes 14.5%

Will Pete Hegseth leave the Trump administration before 2027?

Kalshi: Will Pete Hegseth leaves Secretary of Defense in before 2027?

Needs review

PM Yes 25%Review neededK Yes 23.5%

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

Saved prices; check contract rules.

11 saved comparisonsNext deadline Jan 1, 2027 UTC
KalshiPolitics
Which leaders will leave office in 2026?

Which leaders will leave office in 2026?

K 3.77M contracts
Will Christopher Luxon leave Prime Minister of New Zealand before Jan 1, 2027?Yes 48.5%
Will Benjamin Netanyahu leave Prime Minister of Israel before Jan 1, 2027?Yes 38.5%
Will Pedro Sánchez leave Prime Minister of Spain before Jan 1, 2027?Yes 20.5%
+31 moreNext deadline Jan 8, 2027 UTC
KalshiWorld
US-Iran nuclear deal?

US-Iran nuclear deal?

K 3.54M contracts
Will the US agree to a new Iranian nuclear deal this year? (Before Jan 20, 2029)Yes 39%
Will the US agree to a new Iranian nuclear deal this year? (Before Jan 1, 2028)Yes 32%
Will the US agree to a new Iranian nuclear deal this year? (Before Mar 1, 2027)Yes 15.5%
+4 moreNext deadline Nov 1, 2026 UTC
PolymarketKalshiPolitics
Will the US take control of any part of Greenland?

Will the US take control of any part of Greenland?

PM $10.94M · K 3.49M contracts

Will the US acquire part of Greenland in 2026?

Kalshi: Will the United States acquire any part of Greenland before Jan 1, 2027?

Related contracts

PM Yes 2.9%Rules differK Yes 2.8%

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
PolymarketKalshiPolitics
Who will be charged with a federal crime in 2026?

Who will be charged with a federal crime in 2026?

PM $34.7K · K 3.29M contracts

Obama federally charged before 2027?

Kalshi: Will Barack Obama be arrested before Jan 2027?

Related contracts

PM Yes 4.5%Rules differK Yes 2.7%

Obama federally charged before 2027?

Kalshi: Will Barack Obama be charged with a any crime before Jan 1, 2027?

Needs review

PM Yes 4.5%Review neededK Yes 4.3%

Obama arrested before 2027?

Kalshi: Will Barack Obama be arrested before Jan 2027?

Related contracts

PM Yes 1.7%Rules differK Yes 2.7%

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

Saved prices; check contract rules.

3 saved comparisonsNext deadline Jan 1, 2027 UTC
KalshiSports
LeBron James to Announce his Retirement Before the 2026-27 Season

LeBron James to Announce his Retirement Before the 2026-27 Season

K 3.26M contracts
Will LeBron James announce his retirement in 2026?Yes 0.5%
1 mktNext deadline Oct 31, 2026 UTC
KalshiScience and Technology
Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?

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

K 2.02M contracts
Hantavirus Public Health Emergency of International Concern by 2026?Yes 3.9%
1 mktNext deadline Jan 1, 2027 UTC
KalshiTech
Time's Person of the Year for 2026

Time's Person of the Year for 2026

K 1.87M contracts
Will Zohran Mamdani be Time Person of the Year in 2026?Yes 28.5%
Will Pope Leo XIV be Time Person of the Year in 2026?Yes 17%
Will Mark Carney be Time Person of the Year in 2026?Yes 12.5%
+39 moreNext deadline Dec 31, 2027 UTC
KalshiEntertainment
Top Artist on Spotify U.S. 2026

Top Artist on Spotify U.S. 2026

K 1.18M contracts
Will 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
KalshiWorld
Lightweight Title Holder on Dec 31, 2026?

Lightweight Title Holder on Dec 31, 2026?

K 1.16M contracts
Who will be the Lightweight Title Holder on Dec 31, 2026? (Justin Gaethje)Yes 87%
Who will be the Lightweight Title Holder on Dec 31, 2026? (Arman Tsarukyan)Yes 10.5%
Who will be the Lightweight Title Holder on Dec 31, 2026? (Ilia Topuria)Yes 2.5%
+9 moreNext deadline Jan 7, 2027 UTC
KalshiCompanies
Which AI company will have the best coding model at the end of 2026?

Which AI company will have the best coding model at the end of 2026?

K 1.16M contracts
Which 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
KalshiWorld
Houston vs Jacksonville: Receiving Yards

Houston vs Jacksonville: Receiving Yards

K 1.08M contracts
Bhayshul Tuten: 5+ receiving yardsYes 99.5%
Travis Hunter: 10+ receiving yardsYes 99.5%
Jaylin Noel: 10+ receiving yardsYes 99.5%
+125 moreNext deadline Oct 20, 2026 UTC
KalshiTech
Avengers: Doomsday: Cast

Avengers: Doomsday: Cast

K 944.1K contracts
Will 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?

When will OpenAI achieve AGI?

PM $325.4K · K 867.0K contracts

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 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?

US grants license for new nuclear reactor before 2027?

K 833.7K contracts
Will 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?

Top artist on Spotify in 2026?

PM $1.73M · K 816.5K 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 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
PolymarketKalshiWorld
Next French Presidential Election

Next French Presidential Election

PM $152.97M · K 748.7K contracts

Will Marine Le Pen win the 2027 French presidential election?

Needs review

PM Yes 47.9%Review neededK Yes 46.5%

Will Édouard Philippe win the 2027 French presidential election?

Needs review

PM Yes 19.5%Review neededK Yes 16.5%

Will David Lisnard win the 2027 French presidential election?

Needs review

PM Yes 11.7%Review neededK Yes 12.5%

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

Saved prices; check contract rules.

23 saved comparisonsNext deadline Apr 19, 2027 UTC
KalshiTech
How many launches will SpaceX have in 2026?

How many launches will SpaceX have in 2026?

K 741.1K contracts
How 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

Grand Theft Auto VI: The Album · Features

K 714.4K 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
KalshiScience and Technology
When will Anthropic release Mythos?

When will Anthropic release Mythos?

K 713.7K contracts
Will 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?

Measles cases in U.S. in 2026?

PM $8.13M · K 629.5K contracts

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 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
KalshiWorld
Houston vs Jacksonville: Receptions

Houston vs Jacksonville: Receptions

K 565.9K contracts
Xavier Hutchinson: 1+ receptionsYes 99.5%
Marvin Harrison Jr.: 1+ receptionsYes 99.5%
Foster Moreau: 1+ receptionsYes 99.5%
+93 moreNext deadline Oct 20, 2026 UTC
KalshiScience
NASA lands on the moon?

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
KalshiScience
Washington aerospace manufacturing employment average in 2026

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 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?

Best AI in Oct 2026?

K 507.9K contracts
Best 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
PolymarketKalshiWorld
Which countries will normalize relations with Israel before 2027?

Which countries will normalize relations with Israel before 2027?

PM $6.35M · K 504.4K contracts

Israel and Saudi Arabia normalize relations before 2027?

Kalshi: Will Israel and Saudi Arabia normalize relations before Jan 20, 2029?

Related contracts

PM Yes 6%Rules differK Yes 38%

Israel and Syria normalize relations by December 31, 2026?

Kalshi: Will Israel and Syria normalize relations before Jan 20, 2029?

Related contracts

PM Yes 6%Rules differK Yes 19%

Israel and Syria normalize relations by December 31, 2026?

Kalshi: Will Israel and Syria normalize relations before Jan 1, 2027?

Related contracts

PM Yes 6%Rules differK Yes 3.6%

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

Saved prices; check contract rules.

6 saved comparisonsNext deadline Jan 1, 2027 UTC
KalshiTech
Google market share this week

Google market share this week

K 464.8K contracts
Google 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?

Tesla Optimus released this year?

PM $132.9K · K 433.3K contracts

Will 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

OpenAI market share this week

K 431.0K contracts
OpenAI 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
KalshiTech
Which companies will have a top-ranked AI model this year?

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

K 424.9K contracts
Will 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
PolymarketKalshiSports
Who will be UFC Light Heavyweight champion at the end of 2026?

Who will be UFC Light Heavyweight champion at the end of 2026?

PM $1.01M · K 416.0K contracts

Will Carlos Ulberg be the UFC Light Heavyweight Champion on December 31, 2026?

Kalshi: Who will be the Light Heavyweight Title on Dec 31, 2026? (Carlos Ulberg)

Related contracts

PM Yes 92%Rules differK Yes 92.5%

Will Magomed Ankalaev be the UFC Light Heavyweight Champion on December 31, 2026?

Kalshi: Who will be the Light Heavyweight Title on Dec 31, 2026? (Magomed Ankalaev)

Related contracts

PM Yes 3.4%Rules differK Yes 6%

Will Alex Pereira be the UFC Light Heavyweight Champion on December 31, 2026?

Kalshi: Who will be the Light Heavyweight Title on Dec 31, 2026? (Alex Pereira)

Related contracts

PM Yes 1.3%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.

8 saved comparisonsNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
Will the FDA approve any psychedelic substance for medical use this year?

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

K 413.9K contracts
Will the FDA approve Any psychedelic substance for medical use this year?Yes 20.5%
1 mktNext deadline Jan 8, 2027 UTC
KalshiSports
Welterweight Title Holder on Dec 31, 2026?

Welterweight Title Holder on Dec 31, 2026?

K 411.6K contracts
Who will be the Welterweight Title Holder on Dec 31, 2026? (Islam Makhachev)Yes 93%
Who will be the Welterweight Title Holder on Dec 31, 2026? (Carlos Prates)Yes 6%
Who will be the Welterweight Title Holder on Dec 31, 2026? (Ian Machado Garry)Yes 1.5%
+8 moreNext deadline Jan 7, 2027 UTC
KalshiScience and Technology
DeepSeek market share this week

DeepSeek market share this week

K 403.1K contracts
DeepSeek 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?

Which countries will report an Ebola case in 2026?

K 386.7K contracts
Will 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
KalshiWorld
Will the US acquire any new territory?

Will the US acquire any new territory?

K 360.8K contracts
Will the United States acquire any territory not under its sovereignty (as of Issuance) before Jan 21, 2029?Yes 23%
Will the United States acquire any territory not under its sovereignty (as of Issuance) before Jan 1, 2028?Yes 16%
Will the United States acquire any territory not under its sovereignty (as of Issuance) before Jan 1, 2027?Yes 5.4%
3 mktsNext deadline Jan 1, 2027 UTC
KalshiScience and Technology
When will the next Millennium Prize be awarded?

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, 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
KalshiWorld
Will a new interstellar visitor be confirmed before 2027?

Will a new interstellar visitor be confirmed before 2027?

K 327.7K contracts
Will a new interstellar visitor be confirmed in 2026?Yes 14.5%
1 mktNext deadline Jan 7, 2027 UTC
KalshiSports
Middleweight Title Holder on Dec 31, 2026?

Middleweight Title Holder on Dec 31, 2026?

K 298.6K contracts
Who will be the Middleweight Title Holder on Dec 31, 2026? (Sean Strickland)Yes 91%
Who will be the Middleweight Title Holder on Dec 31, 2026? (Nassourdine Imavov)Yes 7%
Who will be the Middleweight Title Holder on Dec 31, 2026? (Khamzat Chimaev)Yes 1.5%
+5 moreNext deadline Jan 7, 2027 UTC
KalshiSports
Pro Football: AFC #1 Seed

Pro Football: AFC #1 Seed

K 283.0K contracts
Will Kansas City be the AFC 1 Seed?Yes 26%
Will Buffalo be the AFC 1 Seed?Yes 24%
Will Baltimore be the AFC 1 Seed?Yes 17.5%
+13 moreNext deadline Jan 18, 2027 UTC
KalshiWorld
Who will have a #1 hit this year?

Who will have a #1 hit this year?

K 279.0K contracts
Will Mariah Carey have a #1 hit this year?Yes 90.5%
Will Morgan Wallen have a #1 hit this year?Yes 30%
Will Zach Bryan have a #1 hit this year?Yes 26.5%
+111 moreNext deadline Jan 2, 2027 UTC
KalshiTech
Where will Waymo operate in 2026?

Where will Waymo operate in 2026?

K 271.1K contracts
Will 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