Name: Richest person on December 31?
Start: 2025-09-11T22:31:28.727949Z
End: 2025-12-31T00:00:00Z

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This market will resolve according to the name ranked #1 on the Bloomberg Billionaires Index on December 31, 2025, 5:30 PM ET.

The primary resolution source for this market will be the Bloomberg Billionaires Index (https://www.bloomberg.com/billionaires/). If the data for the specified date is not released by December 31, 2025, 11:59 PM ET, the Forbes Real-Time Billionaires List will be used (https://www.forbes.com/real-time-billionaires/#6aa3f0213d78). If neither source provides the specified date's data by January 2, 2026, 11:59 PM ET, this market will resolve according to the latest data point available on the Bloomberg Billionaires Index.

Elon Musk

Mark Zuckerberg

Jeff Bezos

Warren Buffett

Larry Ellison

Bernard Arnault

Jensen Huang

Richest person

Richest person on December 31?

This market will resolve according to the name ranked #1 on the Bloomberg Billionaires Index on September 30, 2025, 5:30 PM ET.

The primary resolution source for this market will be the Bloomberg Billionaires Index (https://www.bloomberg.com/billionaires/). If the data for the specified date is not released by September 30, 2025, 11:59 PM ET, the Forbes Real-Time Billionaires List will be used (https://www.forbes.com/real-time-billionaires/#6aa3f0213d78). If neither source provides the specified date's data by October 3, 2026, 11:59 PM ET, this market will resolve according to the latest data point available on the Bloomberg Billionaires Index.

Richest person on September 30?

This market will resolve according to the name ranked #1 on the Bloomberg Billionaires Index on March 31, 2026, 5:30 PM ET.

The primary resolution source for this market will be the Bloomberg Billionaires Index (https://www.bloomberg.com/billionaires/). If the data for the specified date is not released by March 31, 2026, 11:59 PM ET, the Forbes Real-Time Billionaires List will be used (https://www.forbes.com/real-time-billionaires/#6aa3f0213d78). If neither source provides the specified date's data by April 2, 2026, 11:59 PM ET, this market will resolve according to the latest data point available on the Bloomberg Billionaires Index.

Richest person on March 31?

This market will resolve according to the name ranked #1 on the Bloomberg Billionaires Index on December 31, 2026, 5:30 PM ET.

The primary resolution source for this market will be the Bloomberg Billionaires Index (https://www.bloomberg.com/billionaires/). If the data for the specified date is not released by December 31, 2026, 11:59 PM ET, the Forbes Real-Time Billionaires List will be used (https://www.forbes.com/real-time-billionaires/#6aa3f0213d78). If neither source provides the specified date's data by January 2, 2027, 11:59 PM ET, this market will resolve according to the latest data point available on the Bloomberg Billionaires Index.

Richest person on December 31, 2026?

This market will resolve to "Yes" if Elon Musk is any rank other than #1 on the Bloomberg Billionaires Index at any point between June 30, and December 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No".

The resolution source for this market will be the Bloomberg Billionaires Index (https://www.bloomberg.com/billionaires/). If this source becomes permanently unavailable in that time period, the Forbes Real-Time Billionaires List will be used (https://www.forbes.com/real-time-billionaires/#6aa3f0213d78). If both sources become permanently unavailable, this market will resolve to "No".

Elon no longer world's richest before 2026?

This market will resolve to the third-largest company in the world by market cap on December 31, 2025, as of market close.

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

Will Alphabet be the third-largest company in the world by market cap on December 31?

This market will resolve according to the named people no longer serving as CEOs of their respective companies for any length of time between November 17, 2025 and December 31, 2026, 11:59 PM ET. 

An announcement of the named CEO's resignation/firing before this market's end date will immediately resolve this market to "Yes", regardless of when the announced resignation/firing goes into effect.

This market's primary resolution source will be official information from the named CEOs and their respective companies, however a consensus of credible reporting sources will also be used.

Tim Cook out as Apple CEO before 2027?

This market will resolve according to the person/thing named the Financial Times' Person of the Year for 2025.

This market will resolve to "Yes" if the listed person is named the Financial Times' Person of the Year either alone or in conjunction with any other person or thing which is not named in this market, so long as the term is explicitly named.

For example, if the Person of the Year is "Donald Trump and the MAGA movement", this would qualify to resolve this market to “Trump”. However, if the Person of the Year is "The MAGA movement", this would not qualify to resolve this market to “Trump” regardless of whether Trump is depicted or discussed by the Financial Times.

If two or more people or things that are named in this market are named the Financial Times' Person of the Year, this market will resolve in favor of whichever person or thing is listed first. For example, if the Financial Times' Person of the Year is “Ugur Sahin & Özlem Türeci”, the market for Ugur Sahin would resolve to “Yes,” and the market for Özlem Türeci would resolve to “No”.

This market will resolve based on the Financial Times' official Person of the Year publication, not on any other FT articles that differ from the primary Person of the Year feature.

This market can resolve after the 2025 Financial Times Person of the Year is announced by the Financial Times. If, for any reason, the 2025 Financial Times Person of the Year is not announced by January 31, 2026, 11:59 PM ET, this market will resolve to "Other".

Note: this event is mutually exclusive.

Will Jensen Huang be the Financial Times Person of the Year for 2025?

This market will resolve to the company which owns the model that has the highest “Mathematics Average” score on the LiveBench AI model leaderboard (https://livebench.ai/#/), on December 31, 2025, 12:00 PM ET. 

If two models are tied for the highest LiveBench Mathematics Average score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order.

The primary source of resolution for this market will be LiveBench’s AI leaderboard, specifically the “Mathematics Average” category, found at livebench.ai. If this resolution source is unavailable at check time, this market will remain open until the LiveBench AI leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.

Will Anthropic have the best AI model for math at the end of 2025?

This market will resolve according to the winner of the 2026 Nobel Peace Prize, as announced by the Norwegian Nobel Committee.

If multiple listed individuals or entities jointly receive the prize, the market will resolve to a single winner. If Donald Trump, Volodymyr Zelenskyy,  Benjamin Netanyahu, Vladimir Putin, or Elon Musk are among the recipients, the market will resolve to the highest-ranked among them in that exact order of precedence. If none of those five are among the winners and the prize is awarded jointly to at least one listed individual and at least one listed organization, the market will resolve in favor of the individual. If no prioritized individuals are among the winners and all listed recipients are of the same type (all individuals or all organizations), the market will resolve to the person whose last name, or the entity’s name, comes first in alphabetical order as listed in this market.

If no official announcement regarding the 2026 Nobel Peace Prize has been made by March 31, 2027, 11:59 PM ET, this market will resolve to "Other."

The resolution source for this market will be the first official announcement from the Norwegian Nobel Committee.

Will Donald Trump win the Nobel Peace Prize in 2026?

This market will resolve to the company which owns the model that has the top LiveBench “coding average” score, as based off the LiveBench AI model leaderboard (https://livebench.ai/#/), on December 31, 2025, 12:00 PM ET. 

If two models are tied for the top LiveBench coding average score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order.

The primary source of resolution for this market will be LiveBench’s AI leaderboard, specifically the “coding average” category, found at livebench.ai. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.

Will OpenAI have the best AI model for coding at the end of 2025?

A one-time wealth tax on billionaires has been proposed to potentially appear on California's ballot for the November 3, 2026 general election. You can read more about that here: https://6abc.com/post/california-union-proposes-taxing-billionaires-offset-medicaid-cuts-low-income-people/18066430/

This market will resolve to "Yes" if any proposition containing a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent) passes in the named election. Otherwise, this market will resolve to "No".

If no qualifying ballot initiative is certified to appear on the official statewide California ballot as a proposition to be voted on in the stated election by June 25, 2026, 11:59 PM ET (the official cutoff date for new initiatives to be approved), or if all qualifying propositions/initiatives are removed from the ballot or amended before the election such that the main threshold drops below $1 billion, this market will resolve "No".

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

Billionaire one-time wealth tax passes in California election 2026?

This market will resolve based on the data for the Global Land-Ocean Temperature Index for December 2025 versus the data points available for all other Decembers on record.

Note: If December 2025 is tied for first, second, or third hottest with another year, it will qualify for the bracket it ties with.

The primary resolution source for this market will be the figures found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column "Dec" (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used.
If no information for December 2025 is provided by NASA by January 31, 2026, 11:59 PM ET, a consensus of credible sources will be used to resolve this market.

Will December 2025 be the 4th or lower hottest on record?

This market will resolve to “Yes” if the Consumer Price Index (CPI) increased by greater than the listed percent over the 12 month period ending with any month in 2026 according to the monthly Bureau of Labor Statistics (BLS) reports. Otherwise, this market will resolve to "No".

The resolution source for this market will be the BLS Consumer Price Index reports released for each month of 2026 (https://www.bls.gov/bls/news-release/cpi.htm). Resolution of this market will take place upon release of the aforementioned data.

This market may not resolve to "No" until the December 2026 report is issued. Once the December 2026 report is issued, any revisions to previously released CPI figures will not be counted toward this market's resolution. If the CPI report for December 2026 is not issued by January 31, 2027, 11:59 PM ET, this market will resolve based on CPI figures which have already been made available by the BLS.

Note: the resolution source for this market will be the official monthly BLS CPI news release which reports inflation over 12 month periods to only one decimal point (e.g. 2.9%). Thus, this is the level of precision that will be used when resolving the market.

Will inflation reach more than 3% in 2026?

This market will resolve to "Yes" if a ballot initiative is certified to appear on the official statewide California ballot for the November 3, 2026 election, that proposes a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent), by June 25, 2026, 11:59 PM ET (the official cutoff date for new initiatives to be approved). Otherwise, this market will resolve to "No".

Certification means the initiative is officially approved by the California Secretary of State for a statewide ballot.

The primary resolution source will be official information from the government of California. If unavailable, a consensus of credible reporting may be used. 

Billionaire one-time wealth tax on California ballot?

This market will resolve to the movie with the second highest 2025 gross once data for December 31 is made available.

Data from the "Gross" column on https://www.boxofficemojo.com/year/2025/?grossesOption=calendarGrosses will be used to resolve this market.

Note: This market is about the movie's domestic calendar gross in 2025 - dates outside of 2025 will not count toward this movie's gross.

In the event of an exact tie the film that comes first alphabetically will be considered the winner.

If there is no final data available by January 7, 2026, 11:59 PM ET, another credible resolution source will be chosen.

Will Lilo and Stitch be the second highest grossing movie of 2025?

This market will resolve to the movie with the third highest 2025 gross once data for December 31 is made available.

Data from the "Gross" column on https://www.boxofficemojo.com/year/2025/?grossesOption=calendarGrosses will be used to resolve this market.

Note: This market is about the movie's domestic calendar gross in 2025 - dates outside of 2025 will not count toward this movie's gross.

In the event of an exact tie the film that comes first alphabetically will be considered the winner.

If there is no final data available by January 7, 2026, 11:59 PM ET, another credible resolution source will be chosen.

Will Superman be the third highest grossing movie of 2025?

This market will resolve to "Yes" if the S&P 500 achieves a daily high price greater than 6,920.34 during market hours by December 31, 2025, 12:59 PM ET. Otherwise, this market will resolve to "No".

This market will resolve based on the S&P 500's highest intraday high during the specified timeframe.

The primary resolution source for this market will be figures from Yahoo Finance, specifically the finalized  "High" numbers listed under historical data (https://finance.yahoo.com/quote/%5EGSPC/history/).

S&P 500 all time high by December 31?

This market will resolve to "Yes" if incontrovertible proof is publicly revealed that Jeff Epstein, the New York financier, is still alive between July 13 and December 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No".

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


Is Jeffrey Epstein alive?

This market will resolve to "Yes" if the Bureau of Labor Statistics fails to release any monthly report on the Consumer Price Index by 11:59PM ET on the scheduled release date between December 1, 2025 and December 31, 2026, 11:59PM ET. Otherwise, this market will resolve to "No".

If an announcement is made by the White House or the BLS that the monthly CPI release will be delayed or cancelled altogether, this market will immediately resolve to "Yes".

The resolution source for this market will be information from the BLS or a consensus of credible reporting. 

BLS delays another CPI release before 2027?

This market will resolve according to the first individual that ceases to occupy their listed office.

An announcement of a resignation/removal, or a scheduled departure from office due to the outcome of an election will not alone qualify.

Only permanent removal from office will qualify for resolution. Temporary removals, such as impeachment suspensions (e.g., Yoon Suk Yeol's recent impeachment), temporary invocation of the 25th Amendment, or any similar provisional transfers of power, will not count.

Additionally, if an individual continues in a caretaker or interim role (e.g., Gabriel Attal remaining as caretaker Prime Minister of France), they will not be considered to have ceased occupying the office for the purposes of this market.

If this criteria has not been met for any of the listed individuals by December 31, 2026, 11:59 PM ET, this market will resolve to “None before 2027”. No additional individuals will be added to this market after its creation.

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

Will Nicolás Maduro be the next leader out before 2027?

This market will resolve to "Yes" if the MrBeast YouTube channel (https://www.youtube.com/@MrBeast) hits 500 million subscribers by December 31, 2025, 11:59 PM ET.  Otherwise, this market will resolve to "No".

The primary resolution source for this market will be the MrBeast YouTube channel (https://www.youtube.com/@MrBeast) or a consensus of credible reporting.

Will MrBeast hit 500 Million subscribers by Dec 31?

This market will resolve according to the player who is awarded the 2025 BBC Sports Personality of the Year, scheduled for December 17, 2025.

If the listed player is not announced as a finalist for the BBC Sports Personality of the Year, this market will resolve to "No".

The primary resolution source for this market will be official information from the BBC. However, a consensus of credible reporting may also be used.

Will Rory McIlroy be named the 2025 BBC Sports Personality of the Year?

This market will resolve to “Yes” if Based’s cumulative Polymarket revenue is equal to or greater than the value specified in the title by December 31, 2026 ET. Otherwise, the market will resolve to “No”.

The resolution source for this market is the Based revenue bar chart available at https://dune.com/datadashboards/based-statistics, using the “Cumulative Revenue” value displayed when hovering over the daily data point.

This market will resolve as soon as the cumulative revenue shown on the dashboard is equal to or greater than the value specified in the title, or once the value for Dec 31, 2026 is finalized and no earlier value has met or exceeded that threshold.

If the resolution source becomes permanently unavailable, the market will resolve based on on-chain data, Based official communication, or other reliable crypto sources.

Will Based Polymarket revenue hit $1M before 2027?

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

1.  The National Bureau of Economic Research (NBER) publicly announces that a recession has occurred in the United States, at any point in 2025, with the announcement made by December 31, 2025, 11:59 PM ET.

2.  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 Q4 2024 and Q4 2025 (inclusive), as reported by the Bureau of Economic Analysis (BEA). 

Otherwise, this market will resolve to "No". 

Note that advance estimates will be considered. For example, if upon release, the advance estimate for Q2 2025 was negative, and the Q1 2025's most recent, up-to-date estimate was also negative, this market would resolve to "Yes". If on December 31, 2025 the latest estimate for quarterly GDP in Q3 2025 was negative, this market will stay open until the Advance estimate of Q4 2025 is published, at which point it will resolve to "Yes" if Q4 2025 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

US recession in 2025?

This market will resolve to "Yes" if the US government sells any of its Bitcoin by December 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No".

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

Will the US Government sell Bitcoin by December 31?

This market will resolve based on the next earnings announcement of Broadcom currently scheduled to take place on December 11, 2025 at 5:00 PM EST.

This market will resolve to "Yes" if the listed term is mentioned by anyone during this event. Otherwise, the market will resolve to "No".

Any usage of the term, regardless of context, will count toward the resolution of this market.

Pluralization/possessive of the term will count toward the resolution of this market; however, other forms will NOT count.

Instances where the term is used in a compound word will count regardless of context (e.g. joyful is not a compound word for "joy," however "killjoy" is a compounding of the words "kill" and "joy").

If this market requires a specified number of mentions of a person’s first or last name, a full-name mention will count as one mention (e.g., if a market is about “Joe / Biden 5+ times,” a mention of “Joe Biden” will count once).

A Q&A event will count toward the resolution of this market.

If this event is definitely cancelled, or otherwise is not aired by December 31, 2025, 11:59 PM ET, this market will resolve to "No".

The resolution source will be audio of the event.

Richest person on December 31?

Elon Musk
$165,764 Vol.
99%
0123456789
%

Warren Buffett
$659,477 Vol.
<1%
0123456789
%

Jeff Bezos
$340,640 Vol.
<1%
0123456789
%

Larry Ellison
$69,014 Vol.
<1%

Bernard Arnault
$855,715 Vol.
<1%
0123456789
%

Jensen Huang
$624,080 Vol.
<1%

Mark Zuckerberg
$150,230 Vol.
<1%
0123456789
%

Market Context

Richest person on December 31?

Rules

Richest person on December 31?

Market Context

Richest person on December 31?

About

Related

Richest person on December 31?

Elon Musk$165,764 Vol.99%0123456789%buy Yes99.3¢buy No0.8¢

Warren Buffett$659,477 Vol.<1%0123456789%buy Yes0.4¢buy No99.8¢

Jeff Bezos$340,640 Vol.<1%0123456789%buy Yes0.3¢buy No99.9¢

Larry Ellison$69,014 Vol.<1%buy Yes0.3¢buy No99.9¢

Bernard Arnault$855,715 Vol.<1%0123456789%buy Yes0.3¢buy No99.9¢

Jensen Huang$624,080 Vol.<1%buy Yes0.3¢buy No99.9¢

Mark Zuckerberg$150,230 Vol.<1%0123456789%buy Yes0.2¢buy No99.9¢

Market Context

Richest person on December 31?

Rules

Richest person on December 31?

Market Context

Richest person on December 31?

About

Related

Elon Musk
$165,764 Vol.
99%
0123456789
%

Warren Buffett
$659,477 Vol.
<1%
0123456789
%

Jeff Bezos
$340,640 Vol.
<1%
0123456789
%

Larry Ellison
$69,014 Vol.
<1%

Bernard Arnault
$855,715 Vol.
<1%
0123456789
%

Jensen Huang
$624,080 Vol.
<1%

Mark Zuckerberg
$150,230 Vol.
<1%
0123456789
%