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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 960 event groups
Ranked within each platform by reported lifetime volume. Polymarket reports dollars; Kalshi reports contracts.
KalshiCompanies
Which companies will officially announce an IPO this year?
K 2.09M contractsWho will IPO before 2027? (Anthropic)Yes 70.5%
Who will IPO before 2027? (Discord)Yes 11%
Who will IPO before 2027? (Skims)Yes 6.5%
+24 moreNext deadline Jan 8, 2027 UTC
PolymarketKalshiHealth
Pandemic in 2026?
PM $18.62M · K 984.1K contractsHantavirus 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.
Saved prices; check contract rules.
1 saved comparisonNext deadline Jan 1, 2027 UTC
PolymarketKalshiClimate
Measles cases in U.S. in 2026?
PM $8.13M · K 629.9K 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 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 88.5%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%
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 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
KalshiPolitics
Will Americans receive tariff stimulus checks?
K 1.51M contractsWill it be reported that at least one million Americans have received checks of at least $1000 directly attributable to tariff revenue?Yes 3.3%
1 mktNext deadline Jan 8, 2027 UTC
PolymarketClimate
Largest IPO by market cap in 2026?
PM $6.63MWill SpaceX have the highest IPO Market Cap 2026?Yes 68.5%
Will Anthropic have the highest IPO Market Cap 2026?Yes 31.8%
Will OpenAI have the highest IPO Market Cap 2026?Yes 0.4%
+9 moreNext deadline Dec 31, 2026 UTC
KalshiCompanies
When will Anthropic officially announce an IPO?
K 1.26M contractsWhen will Anthropic officially announce an IPO? (Before Apr 1, 2027)Yes 85.5%
When will Anthropic officially announce an IPO? (Before Mar 1, 2027)Yes 83%
When will Anthropic officially announce an IPO? (Before Feb 1, 2027)Yes 73.5%
+4 moreNext deadline Oct 31, 2026 UTC
PolymarketClimate
How many 7.0 or above earthquakes in 2026?
PM $1.48MWill there be between 14 and 16 earthquakes of magnitude 7.0 or higher worldwide in 2026?Yes 49%
Will there be between 17 and 19 earthquakes of magnitude 7.0 or higher worldwide in 2026?Yes 19%
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
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%
Which AI company will have the best coding model on Dec 31, 2026? (Google)Yes 3%
+6 moreNext deadline Dec 31, 2026 UTC
PolymarketClimate
New pandemic in 2026?
PM $1.24MNew pandemic in 2026?Yes 3.3%
1 mktNext deadline Jan 1, 2027 UTC
KalshiEconomics
Which companies will the US take a stake in this year?
K 1.10M contractsWill any part of the United States federal government take a stake of above 0% in Unusual Machines?Yes 29%
Will any part of the United States federal government take a stake of above 0% in Anduril?Yes 23.5%
Will any part of the United States federal government take a stake of above 0% in Neros Technologies?Yes 20%
+15 moreNext deadline Jan 8, 2027 UTC
PolymarketClimate
How many large volcano eruptions (VEI ≥4) in 2026?
PM $1.17MWill there be exactly 1 confirmed VEI 4 or higher volcanic eruption worldwide in 2026?Yes 52%
Will there be exactly 0 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?Yes 34.5%
Will there be exactly 2 confirmed VEI 4 or higher volcanic eruptions worldwide in 2026?Yes 6.5%
+3 moreNext deadline Jan 1, 2027 UTC
KalshiTech
Avengers: Doomsday: Cast
K 944.6K 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
PolymarketClimate
10.0 or above earthquake before 2027?
PM $833.2K10.0 or above earthquake before 2027?Yes 0.9%
1 mktNext deadline Feb 1, 2027 UTC
KalshiCompanies
When will OpenAI officially announce an IPO?
K 510.6K contractsWhen will OpenAI IPO? (Before Jun 1, 2027)Yes 52%
When will OpenAI IPO? (Before May 1, 2027)Yes 46%
When will OpenAI IPO? (Before Apr 1, 2027)Yes 29%
+5 moreNext deadline Nov 8, 2026 UTC
PolymarketHealth
Ebola pandemic in 2026?
PM $784.1KEbola pandemic in 2026?Yes 1.9%
1 mktNext deadline Jan 1, 2027 UTC
KalshiClimate and Weather
Will there be an 8 magnitude earthquake in California before 2027?
K 502.4K contractsWill there be an at least 8 magnitude earthquake in California before 2027?Yes 3.5%
1 mktNext deadline Jan 8, 2027 UTC
PolymarketClimate
Will any Category 4 hurricane make landfall in the US in before 2027?
PM $350.6KWill any Category 4 hurricane make landfall in the US in before 2027?Yes 7.5%
1 mktNext deadline Jan 1, 2027 UTC
KalshiClimate and Weather
Will 2026 be the hottest year ever?
K 426.8K contractsWill 2026 be the hottest year on record?Yes 70.6%
1 mktNext deadline Apr 1, 2027 UTC
PolymarketClimate
9.0 or above earthquake before 2027?
PM $332.5K9.0 or above earthquake before 2027?Yes 3.9%
1 mktNext deadline Feb 1, 2027 UTC
KalshiCompanies
Will OpenAI or Anthropic IPO first?
K 420.5K contractsWill Open AI or Anthropic IPO first?Yes 93%
Will OpenAI or Anthropic IPO first?Yes 7.5%
2 mktsNext deadline Jan 8, 2040 UTC
PolymarketClimate
5kt meteor strike in 2026?
PM $314.9K5kt meteor strike in 2026?Yes 16.5%
1 mktNext deadline Mar 1, 2027 UTC
KalshiScience and Technology
Will the FDA approve any psychedelic substance for medical use this year?
K 414.1K contractsWill the FDA approve Any psychedelic substance for medical use this year?Yes 20.5%
1 mktNext deadline Jan 8, 2027 UTC
PolymarketClimate
Natural Disaster in 2026?
PM $250.2KNatural Disaster in 2026?Yes 7.5%
1 mktNext deadline Mar 1, 2027 UTC
KalshiHealth
Which countries will report an Ebola case in 2026?
K 386.8K 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%
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
PolymarketClimate
New COVID variant of concern before 2027?
PM $247.2KNew COVID variant of concern before 2027?Yes 14.5%
1 mktNext deadline Jan 1, 2027 UTC
KalshiCompanies
Boeing commercial airplane deliveries in 2026
K 376.3K contractsWill Boeing Company (The) report Above 560 commercial airplane deliveries in 2026?Yes 96.5%
Will Boeing Company (The) report Above 580 commercial airplane deliveries in 2026?Yes 94.5%
Will Boeing Company (The) report Above 600 commercial airplane deliveries in 2026?Yes 93.5%
+5 moreNext deadline Mar 31, 2028 UTC
PolymarketClimate
Major meteor strike (10kt+) in 2026?
PM $209.4KMajor meteor strike (10kt+) in 2026?Yes 6.5%
1 mktNext deadline Mar 1, 2027 UTC
KalshiTech
Where will it rain on Oct 18, 2026?
K 282.5K contractsWill it rain in Miami on Oct 18, 2026?Yes 99.5%
Will it rain in West Palm Beach on Oct 18, 2026?Yes 42.5%
Will it rain in Phoenix on Oct 18, 2026?Yes 31.5%
+32 moreNext deadline Oct 20, 2026 UTC
PolymarketClimate
Highest temperature in Cape Town on October 18?
PM $202.6KWill the highest temperature in Cape Town be 19°C or higher on October 18?Yes 85.5%
Will the highest temperature in Cape Town be 16°C on October 18?Yes 12.3%
Will the highest temperature in Cape Town be 17°C on October 18?Yes 0.3%
+8 more
PolymarketKalshiEconomy
Will Stripe acquire PayPal this year?
PM $187.0K · K 29.8K contractsWill Stripe acquire Paypal in 2026?
Kalshi: Will Stripe and Advent International (collectively) announce acquisition of PayPal before Jan 1, 2027?
Related contracts
PM Yes 3.6%Rules differK Yes 5.5%
Will Stripe acquire any part of Paypal in 2026?
Kalshi: Will Stripe and Advent International (collectively) announce acquisition of PayPal before Jan 1, 2027?
Related contracts
PM Yes 5.5%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.
2 saved comparisonsNext deadline Jan 1, 2027 UTC
KalshiTech
Where will it rain this weekend (Oct 17 - Oct 18)?
K 245.3K 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
KalshiCompanies
When will Starlink officially announce an IPO?
K 243.6K contractsWhen will Starlink IPO? (Before Jun 30, 2027)Yes 5.5%
When will Starlink IPO? (Before May 1, 2027)Yes 4.5%
When will Starlink IPO? (Before Mar 1, 2027)Yes 4%
+5 moreNext deadline Nov 8, 2026 UTC
PolymarketClimate
When will the Danube River return to normal levels?
PM $152.1KWill the Danube River fail to return to normal levels by November 1, 2026?Yes 85.6%
Will the Danube River return to normal levels between October 1 and October 31, 2026?Yes 14%
2 mktsNext deadline Nov 2, 2026 UTC
KalshiWorld
Robinhood funded customers in 2026
K 218.8K contractsWill Robinhood Markets Inc. report Above 28 million funded customers in 2026?Yes 99%
Will Robinhood Markets Inc. report Above 28.4 million funded customers in 2026?Yes 98.5%
Will Robinhood Markets Inc. report Above 28.2 million funded customers in 2026?Yes 97.5%
+18 moreNext deadline Mar 31, 2028 UTC
PolymarketClimate
Major volcano eruption (VEI ≥6) in 2026?
PM $147.8KMajor volcano eruption (VEI ≥6) in 2026?Yes 8.2%
1 mktNext deadline Apr 1, 2027 UTC
KalshiCompanies
Which companies will release a Fully AI-generated multi-episode scripted series before 2027?
K 192.4K contractsWhich company will release a Fully AI-generated multi-episode scripted series to the public? (Amazon)Yes 16.5%
Which company will release a Fully AI-generated multi-episode scripted series to the public? (Netflix)Yes 8.5%
Which company will release a Fully AI-generated multi-episode scripted series to the public? (Disney)Yes 4.5%
+5 moreNext deadline Jan 8, 2027 UTC
PolymarketClimate
Will any Category 5 hurricane make landfall in the US in before 2027?
PM $142.8KWill any Category 5 hurricane make landfall in the US in before 2027?Yes 4.5%
1 mktNext deadline Jan 1, 2027 UTC
KalshiEconomics
Will there be a Trump economic boom?
K 181.3K contractsWill quarterly GDP be above 5% in any quarter in Q1 2025 to Q4 2028?Yes 32.6%
1 mktNext deadline Feb 1, 2029 UTC
PolymarketHealth
Hantavirus vaccine in 2026?
PM $142.4KHantavirus vaccine in 2026? Yes 3.1%
1 mktNext deadline Jan 1, 2027 UTC
KalshiCompanies
When will any company achieve AGI?
K 180.4K contractsWill any company announce that it has achieved Artificial General Intelligence (AGI) before Jan 1, 2030?Yes 81.5%
Will any company announce that it has achieved Artificial General Intelligence (AGI) before Jan 1, 2031?Yes 77.5%
Will any company announce that it has achieved Artificial General Intelligence (AGI) before Jan 1, 2029?Yes 77.5%
+8 moreNext deadline Jan 8, 2027 UTC
PolymarketClimate
When will the Rhine River return to normal levels?
PM $134.6KWill the Rhine River return to normal levels between October 1 and October 31, 2026?Yes 52.5%
Will the Rhine River fail to return to normal levels before November 1, 2026?Yes 48.5%
2 mktsNext deadline Oct 31, 2026 UTC
KalshiCompanies
American Express cards-in-force in Q3
K 179.7K contractsWill American Express Company report Above 154.5 million cards-in-force (total) in Q3 2026?Yes 96.5%
Will American Express Company report Above 155 million cards-in-force (total) in Q3 2026?Yes 90.5%
Will American Express Company report Above 155.5 million cards-in-force (total) in Q3 2026?Yes 72.5%
+7 moreNext deadline Feb 13, 2027 UTC
PolymarketClimate
1 megaton meteor strike in 2026?
PM $117.5K1 megaton meteor strike in 2026?Yes 1.6%
1 mktNext deadline Mar 1, 2027 UTC
KalshiPolitics
What will Trump say this week?
K 178.6K contractsWill Trump say "Zacharia" before Oct 19, 2026?Yes 16.5%
Will Trump say "Stupid Question" before Oct 19, 2026?Yes 16%
Will Trump say "Ceasefire" before Oct 19, 2026?Yes 8.5%
+18 moreNext deadline Oct 19, 2026 UTC
PolymarketClimate
What will the peak RONI be for the 2026–27 El Niño?
PM $104.4KWill the peak RONI for the 2026–27 El Niño be 2.5 or above?Yes 68.5%
Will the peak RONI for the 2026–27 El Niño be at least 2.25 but below 2.5?Yes 27.5%
Will the peak RONI for the 2026–27 El Niño be at least 2.0 but below 2.25?Yes 1.9%
+2 moreNext deadline Apr 1, 2027 UTC
PolymarketKalshiEconomy
Bank of Russia rate decision in October
PM $96.1K · K 4.0K contractsWill the Bank of Russia make no change to the key rate after the October Meeting?
Kalshi: Will the Bank of Russia maintain current rate at the October Board of Directors’ key rate meeting?
Related contracts
PM Yes 91.5%Rules differK Yes 92.5%
Will the Bank of Russia decrease the key rate after the October Meeting?
Kalshi: Will the Bank of Russia cut 1-25bps at the October Board of Directors’ key rate meeting?
Related contracts
PM Yes 8.5%Rules differK Yes 3%
Will the Bank of Russia increase the key rate after the October Meeting?
Kalshi: Will the Bank of Russia hike 1-25bps at the October Board of Directors’ key rate meeting?
Related contracts
PM Yes 0.4%Rules differK Yes 2.5%
Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.
Saved prices; check contract rules.
3 saved comparisonsNext deadline Oct 24, 2026 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