Name: Human case of new COVID disease before April?
Start: 2025-02-21T20:40:57.828094Z
End: 2025-03-31T12:00:00Z

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On February 21, a bat coronavirus that has the capacity to spread to humans, known as HKU5-CoV-2, was reportedly discovered (See: https://www.aa.com.tr/en/asia-pacific/china-discovers-new-bat-coronavirus-that-poses-risk-of-animal-to-human-transmission/3489013)

This market will resolve to "Yes" if a human case of HKU5-CoV-2 is confirmed by March 31, 2025, 11:59 PM ET. Otherwise this market will resolve to "No".

The resolution source for this market will be a consensus of credible reporting. 

Human case of new COVID disease before April?

This market will resolve to "Yes" if the CDC identifies a new COVID variant of concern between December 1, 2025, and December 31, 2026, 11:59PM ET. Otherwise this market will resolve to "No".

The CDC's variant classification scheme can be found here: https://stacks.cdc.gov/view/cdc/107682.

The resolution source for this market will be official information from the CDC.

2027年前會出現新的值得關注的COVID變異株嗎？

This market will resolve to “Yes” if the President of the United States, any member of the Cabinet of the United States, any member of the Joint Chiefs of Staff, or any U.S. federal agency definitively states that a man-made device or weapon exists that is responsible for, or capable of causing, Havana Syndrome or Havana Syndrome-like symptoms by March 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”.

The primary resolution source for this market will be official information from the government of the United States; however, a consensus of credible reporting will also be used.

美國是否會在3月31日前確認造成哈瓦那症候群的裝置？

This market will resolve to "Yes" if any human-crewed mission lands on the moon between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

A touchdown of the spacecraft with humans aboard will be sufficient to resolve this market to "Yes", regardless of technical complications.

The resolution source will be a consensus of credible reporting.

2026年人類登月？

This market will resolve to “Yes” if 1 or more earthquakes with a magnitude of 10.0 or higher occur anywhere on Earth between December 8, 2025 12:00 PM ET, and December 31, 2026, 11:59PM ET. Otherwise, this market will resolve to “No”.

The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef).

If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until January 31, 2027, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used. 

After a qualifying earthquake is registered, this market will remain open for 24 hours to account for any revisions to its recorded magnitude. After 24 hours, this market will resolve according to the latest provided data.

2027年前會發生10.0級或以上地震嗎？

This market will resolve to “Yes” if 1 or more earthquakes with a magnitude of 9.0 or higher occur anywhere on Earth between December 8, 2025 12:00 PM ET, and December 31, 2026, 11:59PM ET. Otherwise, this market will resolve to “No”.

The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef).

If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until January 31, 2027, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used. 

After a qualifying earthquake is registered, this market will remain open for 24 hours to account for any revisions to its recorded magnitude. After 24 hours, this market will resolve according to the latest provided data.

2027年前會有9.0級或以上的地震嗎？

For the purposes of this market, a Category 5 hurricane is a hurricane with maximum sustained winds of 157 mph or higher, as described at https://www.nhc.noaa.gov/aboutsshws.php, and a hurricane landfall is said to occur when the hurricane's surface center intersects with the coastline, as described at https://www.nhc.noaa.gov/aboutgloss.shtml#LANDFALL. 

This market will resolve to "Yes" if any storm makes landfall in the conterminous United States as a Category 5 hurricane, as reported in official National Hurricane Center advisories (https://www.nhc.noaa.gov/archive/2023/IDALIA.shtml?) between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”.

This market may resolve based on the initial advisory released by the NHC for whether any storm has made landfall in the conterminous United States at Category 5 strength, regardless of any later retraction or analysis that may contradict the initial qualifying announcement. However, subsequent corrections or updates will be considered if they indicate a qualifying incident.

在2027年前會有任何五級颶風在美國登陸嗎？

If Jia Yueting enters mainland China by June 30, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No".

For the purpose of this market, "entering mainland China" is defined as Jia Yueting physically setting foot within the territory of the People’s Republic of China, excluding Hong Kong, Macau, and Taiwan.

Travel through airspace or territorial waters during the timeframe of this market will have no bearing on a positive resolution.

The primary resolution source for this market will be a consensus of credible reporting.

賈躍亭會在6月30日之前進入中國大陸嗎？

This market will resolve to "Yes" if there is a military encounter between the military forces of China (People's Republic of China) and the United States between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

A "military encounter" is defined as any incident involving the use of force such as missile strikes, artillery fire, exchange of gunfire, or other forms of direct military engagement between Chinese and United States military forces. Non-violent actions, such as warning shots, artillery fire into uninhabited areas, or missile launches that land in territorial waters or pass through airspace, will not qualify for a "Yes" resolution. Intentional ship ramming that results in significant damage to (e.g., a hole in the hull) or the sinking of a military ship by another will count toward a "Yes" resolution, however minor damage (scrapes, dents) will not.

Note: the China Coast Guard (CCG) is part of the Chinese military and the United States Coast Guard is part of the United States military.

The resolution source for this market will be a consensus of credible reporting.

2027年前美中軍事衝突？

This market will resolve to "Yes" if a new episode of the Up Only podcast is publicly released to the general public by 11:59 PM ET on the date specified in the title. Otherwise, this market will resolve to "No".

Released previews of the interview won't count - the full interview must be released by the resolution date for this market to resolve to "Yes."

The resolution source for this market will be footage of the interview and/or a consensus of credible reporting.


Up Only 播客會在 2026 年 2 月 28 日前發布嗎？

If U.S. President Donald Trump visits China by April 30, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No".

For the purpose of this market, a "visit" is defined as Trump physically entering the terrestrial or maritime territory of the listed country. Whether or not Trump enters the country's airspace during the timeframe of this market will have no bearing on a positive resolution.

The primary resolution source for this information will be official information from government of the United States of America, official information from Trump or released by his verified social media accounts (e.g. https://twitter.com/POTUS), however, a consensus of credible reporting will also be used.

特朗普會在4月30日之前訪問中國嗎？

This market will resolve to “Yes” if definitive evidence confirming the the incident on August 10, 2019, involving Jeffrey Epstein involved foul play is released by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

Statements from the U.S. government indicating that there was foul play will qualify for a "Yes" resolution.

The primary resolution source for this market will be official information from any US government agency, law enforcement agencies, and courts, however a consensus of credible reporting may also be used.

傑弗瑞·愛潑斯坦的不當行為會在2026年12月31日前被確認嗎？

This market will resolve to “Yes” if the total number of unique humans displayed on the official World website exceeds 30,000,000 by December 31, 2026, 11:59 PM ET. Otherwise, it will resolve to “No.”

The resolution source is the official World website, available at https://world.org/, specifically the “Unique humans” figure shown on the homepage.

This market is based solely on the “Unique humans” figure displayed on the official World website (https://world.org/), not on data from third-party analytics dashboards, or unofficial sources.

If the resolution source becomes permanently unavailable within this market’s timeframe and before resolution criteria are met, the market will resolve based on a reliable alternative source or public data consistent with the official World Network figures.

Over 30M humans verified on World Network by December 31?

On October 9, 2025 Israel and Hamas signed a deal implementing a ceasefire: https://www.reuters.com/world/middle-east/israel-hamas-agree-gaza-ceasefire-return-hostages-2025-10-09/

This market will resolve to "Yes" if a either Israel or Hamas announce the cancellation of the ongoing ceasefire, or if a consensus of credible reporting confirms that the ceasefire is no longer in effect, by June 30, 2026, 11:59 PM ET. Otherwise this market will resolve to "No".

Announcements that one side or another violated the ongoing ceasefire will not be enough to resolve this market to "Yes"; only a definitive announcement by Israel or Hamas, or otherwise a wide consensus of credible reporting that that the ceasefire has been ended, will qualify to resolve this market to "Yes".

The primary solution resolution source will be official information from Hamas or the government of Israel, however a consensus of credible reporting may also be used.

以色列與哈馬斯的停火協議在6月30日被取消？

This market will resolve to “Yes” if any of the following conditions are met during 2026 ET:

- A Category 5 hurricane makes landfall in the US
- A major meteor strikes (10kt+)
- A major volcano erupts (VEI ≥6)
- An 8.5+ earthquake occurs

Otherwise, this market will resolve to “No”.

If required information from the specified sources remains outstanding, the market may stay open until February 28, 2027, 11:59 PM ET. 

The full rules for this market can be found here:
https://polymarket-upload.s3.us-east-2.amazonaws.com/Natural+Disaster+in+2026.pdf


2026年會有自然災害嗎？

This market will resolve to “Yes” if new underwater wreckage from Malaysia Airlines Flight MH 370 is found by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

For the purposes of resolving this market, 'found' means that new underwater wreckage must be discovered between December 4, 2025 and June 30, 2026.

Wreckage that washed ashore/afloat and previous findings of wreckage will NOT qualify - only underwater wreckage will suffice to resolve this market to "Yes".

It is not necessary for the wreckage to be recovered, only that its location is definitively identified. If wreckage is located before the resolution date, but it unknown as to whether it came from MH370, this market may stay open until a consensus has been reached as to the wreckage's origin.

This market will resolve based on a consensus of credible reporting.

MH370 水下殘骸會在 2026 年 6 月 30 日前被發現嗎？

This market will resolve to "Yes" if the 2026 US Midterm Elections happen on November 3, 2026. Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official information from the US government, however a consensus of credible reporting will also be used.

2026年期中選舉會如期舉行嗎？

This market will resolve to "Yes" if the President of the United States, any member of the Cabinet of the United States, any member of the Joint Chiefs of Staff, or any US federal agency definitively states that extraterrestrial life or technology exists by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official information from the government of the United States, however a consensus of credible reporting will also be used.

美國會在2027年前確認外星人存在嗎？

This market will resolve to "Yes" if Unit (https://hyperunit.xyz/) officially launches a governance token by 11:59 PM ET on the date specified in the title. Otherwise, this market will resolve to "No".

The token must be actively and publicly transferable and tradable. Announcements alone do not qualify

The primary resolution source for this market will be information from Unit, however a consensus of credible reporting will also be used.


Will Unit launch a token by December 31, 2027?

The CDC reported a general fertility rate of 53.7 births per 1,000 women aged 15–44 for Q2 2025 (see: https://www.cdc.gov/nchs/nvss/vsrr/natality-dashboard.htm). 

This market will resolve to "Yes" if the initial reported rate for Q3 2025 exceeds 53.7, according to the CDC's Vital Statistics Rapid Release series. Otherwise, this market will resolve to "No". 

If the CDC does not release general fertility rate data for Q3 2025 by March 31, 2026, 11:59 PM ET, this market will resolve to "No".

Resolution will be based on the first published estimate for Q3 2025, regardless of any subsequent revisions.

The resolution source will be the CDC’s Vital Statistics Rapid Release.

2025年第三季美國生育率上升？

This market will resolve to “Yes” if USD.AI officially launches a governance token by March 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”.

The token must be actively and publicly transferable and tradable. Announcements alone do not qualify.

The primary resolution source for this market will be information from USD.AI (https://x.com/USDai_Official), however a consensus of credible reporting will also be used.

USD.AI會在3月31日前發行代幣嗎？

Hong Kong Businessman Jimmy Lai is in custody after being convicted of conspiracy to collude with foreign forces. You can read more about that here: https://www.reuters.com/world/jimmy-lai-verdict-live-hong-kong-court-rule-after-democracy-activists-landmark-2025-12-14/.

This market will resolve to "Yes" if Jimmy Lai is released from custody by January 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

If Lai is released but remains under house arrest, the market will still resolve to "Yes".

If Lai is released on parole, bond, or any other condition that results in them leaving state custody, the market will resolve to "Yes".

Transporting Lai to another location of custody (e.g., a different prison, court, or hospital within the correctional system) will not suffice to resolve this market to "Yes". Extradition of Lai to another country where he remains in custody will also not count.

Temporary outings from prison for purposes such as testifying in court, while still under the custody of correctional authorities, will not count as a release.

The primary resolution source for this market will be official information from relevant government authorities or corrections departments; however, a consensus of credible reporting may also be used.

黎智英會在1月31日前獲釋嗎？

This market will resolve to “Yes” if either of the following conditions is met:

1.  The seasonally adjusted annualized percent change in quarterly U.S. real GDP from the previous quarter is less than 0.0 for two consecutive quarters between Q2 2025 and Q4 2026 (inclusive), as reported by the Bureau of Economic Analysis (BEA). 

2.  The National Bureau of Economic Research (NBER) publicly announces that a recession has occurred in the United States, at any point during 2025 or 2026, with the announcement made by the time the BEA releases the advance estimate for Q4 2026.

Otherwise, this market will resolve to "No". 

Note that advance estimates will be considered. For example, if upon release, the advance estimate for Q3 2025 was negative, and the Q2 2025's most recent, up-to-date estimate was also negative, this market would resolve to "Yes". If on December 31, 2026 the latest estimate for quarterly GDP in Q3 2025 was negative, this market will stay open until the Advance estimate of Q4 2026 is published, at which point it will resolve to "Yes" if Q4 2026 was negative or if the NBER declares a recession by then.

The resolution source will be the official announcements from the NBER and the BEA’s estimate of seasonally adjusted annualized percent change in quarterly US real GDP from previous quarters as released by the Bureau of Economic Analysis (BEA), https://www.bea.gov/data/gdp/gross-domestic-product

2026年底前美國會陷入經濟衰退嗎？

For the purposes of this market, a Category 4 hurricane is a hurricane with maximum sustained winds of 130-156 mph, as described at https://www.nhc.noaa.gov/aboutsshws.php, and a hurricane landfall is said to occur when the hurricane's surface center intersects with the coastline, as described at https://www.nhc.noaa.gov/aboutgloss.shtml#LANDFALL. 

This market will resolve to "Yes" if any storm makes landfall in the conterminous United States as a Category 4 hurricane, as reported in official National Hurricane Center advisories (https://www.nhc.noaa.gov/archive/2023/IDALIA.shtml?) between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”.

This market may resolve based on the initial advisory released by the NHC for whether any storm has made landfall in the conterminous United States at Category 4 strength, regardless of any later retraction or analysis that may contradict the initial qualifying announcement. However, subsequent corrections or updates will be considered if they indicate a qualifying incident.

在2027年前，是否會有任何四級颶風登陸美國？

This market will resolve to "Yes" if the next Ukrainian presidential election is scheduled by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No".

This market is about whether a date for the next Ukrainian election is announced between February 14, 2025, and June 30, 2026, 11:59 PM ET. Whether the election is supposed to take place during this timeframe or later will have no effect on the resolution of this market.

The primary resolution source for this market is official information from the Government of Ukraine; however, a consensus of credible reporting may also be used.


烏克蘭選舉將於2026年6月30日前舉行？

The Doomsday Clock is a symbolic clock face that represents the likelihood of a man-made global catastrophe, maintained since 1947 by the members of the Bulletin of the Atomic Scientists. The closer the clock is set to midnight, the closer the scientists believe the world is to global disaster.

This market will resolve to "Yes" if the Doomsday Clock is moved by ten seconds or more in either direction (i.e. closer than 80 seconds to midnight, or farther than 98 seconds to midnight, see https://thebulletin.org/doomsday-clock/#nav_menu) during the yearly meeting of the Bulletin of the Atomic Scientists scheduled for January 2025 ET. Otherwise, this market will resolve to "No".

If the Doomsday Clock setting is delayed this market's resolution may be delayed until the Bulletin of the Atomic Scientists' 2025 release is published. If no release is published by June 30, 2025 ET, this market will resolve to "No".

The resolution source for this market will be information released by the Bulletin of the Atomic Scientists.

末日鐘會移動十秒或以上嗎？

This market will resolve to “Yes” if any weekly bar in the Kaito “Mindshare over time (L12M)” chart reaches a new all-time high at any point between November 19 and 11:59 PM ET on the date specified in the title. If no new all-time high occurs, the market will resolve to “No.”

The resolution source is the creator’s page on Kaito. The weekly bar chart can be viewed by clicking the creator’s name at: https://yaps.kaito.ai/ct-leaderboard

A weekly bar counts as long as its date range includes the target date. A weekly bar is considered finalized once a bar for the following week is published.

Only the weekly values shown in the L12M chart are used for resolution.

If the Kaito page is temporarily unavailable at resolution time, the market will remain open until it returns. If it becomes permanently unavailable, the market will resolve to “No.”

Human case of new COVID disease before April?

市場背景

Human case of new COVID disease before April?

規則

Human case of new COVID disease before April?

市場背景

Human case of new COVID disease before April?

關於