Traders assign Trump's first 2028 endorsement only a 28.5% chance of winning the presidency because the early field remains fragmented even for likely frontrunners. Vice President JD Vance leads Republican nomination polling and markets after private Trump comments signaling support, yet Secretary of State Marco Rubio and others continue competing for favor without a firm public choice. General-election matchups show Democrats competitive or ahead in recent surveys, while party-control markets price Democratic victory above 55%. Historical patterns of open successions, primary volatility, and the 22nd Amendment barring Trump himself reinforce uncertainty two years before voting.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated34% chance
NEW
NEW
Nov 7, 2028
34% chance
NEW
NEW
Nov 7, 2028
This market will resolve to “Yes” if the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election wins the 2028 United States Presidential Election. Otherwise, this market will resolve to “No”.
The following rules govern the determination of the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election:
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of the United States in the 2028 United States Presidential Election; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2028 United States Presidential Election.
An endorsement of an individual for the Republican Party’s nomination in the 2028 United States Presidential Election will qualify as an endorsement for the 2028 United States Presidential Election. Endorsements of a candidate for the Democratic Party's nomination without also endorsing that candidate for President in the general election will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Marco and J.D.”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
If Donald Trump officially files his candidacy for the 2028 United States Presidential Election before issuing a qualifying endorsement, he will be considered to have endorsed himself. Statements alone will not be sufficient to constitute Trump’s endorsement of himself.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements, or file his own candidacy, by November 6, 2028, 11:59 PM ET, this market will resolve to “No”.
The resolution sources for Trump’s endorsement will be official statements from Donald Trump and a consensus of credible reporting. The resolution sources for the winner of the 2028 United States Presidential Election are the Associated Press, Fox News, and NBC. All three sources must call the race for the same candidate. If all three sources haven’t called the race for the same candidate by the inauguration date (January 20, 2029) this market will resolve based on who is inaugurated.Traders assign Trump's first 2028 endorsement only a 28.5% chance of winning the presidency because the early field remains fragmented even for likely frontrunners. Vice President JD Vance leads Republican nomination polling and markets after private Trump comments signaling support, yet Secretary of State Marco Rubio and others continue competing for favor without a firm public choice. General-election matchups show Democrats competitive or ahead in recent surveys, while party-control markets price Democratic victory above 55%. Historical patterns of open successions, primary volatility, and the 22nd Amendment barring Trump himself reinforce uncertainty two years before voting.
This market will resolve to “Yes” if the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election wins the 2028 United States Presidential Election. Otherwise, this market will resolve to “No”.
The following rules govern the determination of the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election:
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of the United States in the 2028 United States Presidential Election; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2028 United States Presidential Election.
An endorsement of an individual for the Republican Party’s nomination in the 2028 United States Presidential Election will qualify as an endorsement for the 2028 United States Presidential Election. Endorsements of a candidate for the Democratic Party's nomination without also endorsing that candidate for President in the general election will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Marco and J.D.”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
If Donald Trump officially files his candidacy for the 2028 United States Presidential Election before issuing a qualifying endorsement, he will be considered to have endorsed himself. Statements alone will not be sufficient to constitute Trump’s endorsement of himself.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements, or file his own candidacy, by November 6, 2028, 11:59 PM ET, this market will resolve to “No”.
The resolution sources for Trump’s endorsement will be official statements from Donald Trump and a consensus of credible reporting. The resolution sources for the winner of the 2028 United States Presidential Election are the Associated Press, Fox News, and NBC. All three sources must call the race for the same candidate. If all three sources haven’t called the race for the same candidate by the inauguration date (January 20, 2029) this market will resolve based on who is inaugurated.
The following rules govern the determination of the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election:
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of the United States in the 2028 United States Presidential Election; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2028 United States Presidential Election.
An endorsement of an individual for the Republican Party’s nomination in the 2028 United States Presidential Election will qualify as an endorsement for the 2028 United States Presidential Election. Endorsements of a candidate for the Democratic Party's nomination without also endorsing that candidate for President in the general election will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Marco and J.D.”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
If Donald Trump officially files his candidacy for the 2028 United States Presidential Election before issuing a qualifying endorsement, he will be considered to have endorsed himself. Statements alone will not be sufficient to constitute Trump’s endorsement of himself.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements, or file his own candidacy, by November 6, 2028, 11:59 PM ET, this market will resolve to “No”.
The resolution sources for Trump’s endorsement will be official statements from Donald Trump and a consensus of credible reporting. The resolution sources for the winner of the 2028 United States Presidential Election are the Associated Press, Fox News, and NBC. All three sources must call the race for the same candidate. If all three sources haven’t called the race for the same candidate by the inauguration date (January 20, 2029) this market will resolve based on who is inaugurated.
Market Opened: Jul 30, 2026, 11:15 AM ET
Volume
$502End Date
Nov 7, 2028Market Opened
Jul 30, 2026, 11:15 AM ETResolver
0x65070BE91...This market will resolve to “Yes” if the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election wins the 2028 United States Presidential Election. Otherwise, this market will resolve to “No”.
The following rules govern the determination of the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election:
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of the United States in the 2028 United States Presidential Election; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2028 United States Presidential Election.
An endorsement of an individual for the Republican Party’s nomination in the 2028 United States Presidential Election will qualify as an endorsement for the 2028 United States Presidential Election. Endorsements of a candidate for the Democratic Party's nomination without also endorsing that candidate for President in the general election will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Marco and J.D.”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
If Donald Trump officially files his candidacy for the 2028 United States Presidential Election before issuing a qualifying endorsement, he will be considered to have endorsed himself. Statements alone will not be sufficient to constitute Trump’s endorsement of himself.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements, or file his own candidacy, by November 6, 2028, 11:59 PM ET, this market will resolve to “No”.
The resolution sources for Trump’s endorsement will be official statements from Donald Trump and a consensus of credible reporting. The resolution sources for the winner of the 2028 United States Presidential Election are the Associated Press, Fox News, and NBC. All three sources must call the race for the same candidate. If all three sources haven’t called the race for the same candidate by the inauguration date (January 20, 2029) this market will resolve based on who is inaugurated.Traders assign Trump's first 2028 endorsement only a 28.5% chance of winning the presidency because the early field remains fragmented even for likely frontrunners. Vice President JD Vance leads Republican nomination polling and markets after private Trump comments signaling support, yet Secretary of State Marco Rubio and others continue competing for favor without a firm public choice. General-election matchups show Democrats competitive or ahead in recent surveys, while party-control markets price Democratic victory above 55%. Historical patterns of open successions, primary volatility, and the 22nd Amendment barring Trump himself reinforce uncertainty two years before voting.
This market will resolve to “Yes” if the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election wins the 2028 United States Presidential Election. Otherwise, this market will resolve to “No”.
The following rules govern the determination of the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election:
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of the United States in the 2028 United States Presidential Election; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2028 United States Presidential Election.
An endorsement of an individual for the Republican Party’s nomination in the 2028 United States Presidential Election will qualify as an endorsement for the 2028 United States Presidential Election. Endorsements of a candidate for the Democratic Party's nomination without also endorsing that candidate for President in the general election will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Marco and J.D.”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
If Donald Trump officially files his candidacy for the 2028 United States Presidential Election before issuing a qualifying endorsement, he will be considered to have endorsed himself. Statements alone will not be sufficient to constitute Trump’s endorsement of himself.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements, or file his own candidacy, by November 6, 2028, 11:59 PM ET, this market will resolve to “No”.
The resolution sources for Trump’s endorsement will be official statements from Donald Trump and a consensus of credible reporting. The resolution sources for the winner of the 2028 United States Presidential Election are the Associated Press, Fox News, and NBC. All three sources must call the race for the same candidate. If all three sources haven’t called the race for the same candidate by the inauguration date (January 20, 2029) this market will resolve based on who is inaugurated.
The following rules govern the determination of the first individual that Donald Trump endorses for President of the United States in the 2028 United States Presidential Election:
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of the United States in the 2028 United States Presidential Election; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2028 United States Presidential Election.
An endorsement of an individual for the Republican Party’s nomination in the 2028 United States Presidential Election will qualify as an endorsement for the 2028 United States Presidential Election. Endorsements of a candidate for the Democratic Party's nomination without also endorsing that candidate for President in the general election will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Marco and J.D.”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
If Donald Trump officially files his candidacy for the 2028 United States Presidential Election before issuing a qualifying endorsement, he will be considered to have endorsed himself. Statements alone will not be sufficient to constitute Trump’s endorsement of himself.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements, or file his own candidacy, by November 6, 2028, 11:59 PM ET, this market will resolve to “No”.
The resolution sources for Trump’s endorsement will be official statements from Donald Trump and a consensus of credible reporting. The resolution sources for the winner of the 2028 United States Presidential Election are the Associated Press, Fox News, and NBC. All three sources must call the race for the same candidate. If all three sources haven’t called the race for the same candidate by the inauguration date (January 20, 2029) this market will resolve based on who is inaugurated.
Volume
$502End Date
Nov 7, 2028Market Opened
Jul 30, 2026, 11:15 AM ETResolver
0x65070BE91...Traders assign Trump's first 2028 endorsement only a 28.5% chance of winning the presidency because the early field remains fragmented even for likely frontrunners. Vice President JD Vance leads Republican nomination polling and markets after private Trump comments signaling support, yet Secretary of State Marco Rubio and others continue competing for favor without a firm public choice. General-election matchups show Democrats competitive or ahead in recent surveys, while party-control markets price Democratic victory above 55%. Historical patterns of open successions, primary volatility, and the 22nd Amendment barring Trump himself reinforce uncertainty two years before voting.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions