Republicans enter the 2026 midterms holding narrow majorities in both chambers, with 53 Senate seats and 218 House seats, but face structural headwinds typical for the president's party. Recent generic ballot polling shows Democrats ahead by roughly 6-7 points, consistent with historical patterns that project net Republican losses, especially in the House where numerous competitive districts remain exposed. In the Senate, Republicans defend 22 of the 35 seats up, including specials in Florida and Ohio, requiring Democrats to net four gains for control. Cook Political Report and Sabato ratings highlight toss-ups and leans favoring Democratic opportunities, while redistricting provides Republicans only a partial buffer. Primary results and candidate recruitment have not yet shifted the tight trader consensus across likely seat ranges. Upcoming fall campaign developments and economic data could widen or narrow these probabilities before November.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated47–49 and 193–207 25.9%
≤46 and ≤192 16.3%
50–52 and 208–222 14.3%
≤46 and 193–207 11.3%
$24,811 Vol.
$24,811 Vol.
Nov 3, 2026
≥53 and ≥223
2%
≥53 and 208–222
4%
≥53 and ≤207
4%
50–52 and ≥223
6%
50–52 and 208–222
14%
50–52 and 193–207
9%
50–52 and ≤192
1%
47–49 and ≥208
5%
47–49 and 193–207
26%
47–49 and ≤192
10%
≤46 and ≥208
1%
≤46 and 193–207
11%
≤46 and ≤192
16%
47–49 and 193–207 25.9%
≤46 and ≤192 16.3%
50–52 and 208–222 14.3%
≤46 and 193–207 11.3%
$24,811 Vol.
$24,811 Vol.
Nov 3, 2026
≥53 and ≥223
$393 Vol.
2%
≥53 and 208–222
$2,271 Vol.
4%
≥53 and ≤207
$552 Vol.
4%
50–52 and ≥223
$424 Vol.
6%
50–52 and 208–222
$5,970 Vol.
14%
50–52 and 193–207
$6,052 Vol.
9%
50–52 and ≤192
$1,644 Vol.
1%
47–49 and ≥208
$1,074 Vol.
5%
47–49 and 193–207
$1,044 Vol.
26%
47–49 and ≤192
$2,012 Vol.
10%
≤46 and ≥208
$441 Vol.
1%
≤46 and 193–207
$826 Vol.
11%
≤46 and ≤192
$2,109 Vol.
16%
The 2026 midterm elections are scheduled to be held on November 3, 2026.
This market will resolve according to the combined outcome of the Republican Party’s seat count in the US House of Representatives and the US Senate as a result of the 2026 midterm elections.
The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress. Where a Senate or House seat is decided by a runoff, the runoff result will determine attribution of that seat, even if it takes place after November 2026.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate and House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with a party are included in that party’s count. If the caucus decisions of members of the Senate or House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.Republicans enter the 2026 midterms holding narrow majorities in both chambers, with 53 Senate seats and 218 House seats, but face structural headwinds typical for the president's party. Recent generic ballot polling shows Democrats ahead by roughly 6-7 points, consistent with historical patterns that project net Republican losses, especially in the House where numerous competitive districts remain exposed. In the Senate, Republicans defend 22 of the 35 seats up, including specials in Florida and Ohio, requiring Democrats to net four gains for control. Cook Political Report and Sabato ratings highlight toss-ups and leans favoring Democratic opportunities, while redistricting provides Republicans only a partial buffer. Primary results and candidate recruitment have not yet shifted the tight trader consensus across likely seat ranges. Upcoming fall campaign developments and economic data could widen or narrow these probabilities before November.
The 2026 midterm elections are scheduled to be held on November 3, 2026.
This market will resolve according to the combined outcome of the Republican Party’s seat count in the US House of Representatives and the US Senate as a result of the 2026 midterm elections.
The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress. Where a Senate or House seat is decided by a runoff, the runoff result will determine attribution of that seat, even if it takes place after November 2026.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate and House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with a party are included in that party’s count. If the caucus decisions of members of the Senate or House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
This market will resolve according to the combined outcome of the Republican Party’s seat count in the US House of Representatives and the US Senate as a result of the 2026 midterm elections.
The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress. Where a Senate or House seat is decided by a runoff, the runoff result will determine attribution of that seat, even if it takes place after November 2026.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate and House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with a party are included in that party’s count. If the caucus decisions of members of the Senate or House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
Market Opened: Jun 25, 2026, 1:27 PM ET
Volume
$24,811End Date
Nov 3, 2026Market Opened
Jun 25, 2026, 1:27 PM ETResolver
0x69c47De9D...The 2026 midterm elections are scheduled to be held on November 3, 2026.
This market will resolve according to the combined outcome of the Republican Party’s seat count in the US House of Representatives and the US Senate as a result of the 2026 midterm elections.
The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress. Where a Senate or House seat is decided by a runoff, the runoff result will determine attribution of that seat, even if it takes place after November 2026.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate and House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with a party are included in that party’s count. If the caucus decisions of members of the Senate or House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.Republicans enter the 2026 midterms holding narrow majorities in both chambers, with 53 Senate seats and 218 House seats, but face structural headwinds typical for the president's party. Recent generic ballot polling shows Democrats ahead by roughly 6-7 points, consistent with historical patterns that project net Republican losses, especially in the House where numerous competitive districts remain exposed. In the Senate, Republicans defend 22 of the 35 seats up, including specials in Florida and Ohio, requiring Democrats to net four gains for control. Cook Political Report and Sabato ratings highlight toss-ups and leans favoring Democratic opportunities, while redistricting provides Republicans only a partial buffer. Primary results and candidate recruitment have not yet shifted the tight trader consensus across likely seat ranges. Upcoming fall campaign developments and economic data could widen or narrow these probabilities before November.
The 2026 midterm elections are scheduled to be held on November 3, 2026.
This market will resolve according to the combined outcome of the Republican Party’s seat count in the US House of Representatives and the US Senate as a result of the 2026 midterm elections.
The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress. Where a Senate or House seat is decided by a runoff, the runoff result will determine attribution of that seat, even if it takes place after November 2026.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate and House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with a party are included in that party’s count. If the caucus decisions of members of the Senate or House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
This market will resolve according to the combined outcome of the Republican Party’s seat count in the US House of Representatives and the US Senate as a result of the 2026 midterm elections.
The Senate seat count includes all regular and special Senate elections that determine representation in the upcoming 120th Congress and are scheduled to take place in November 2026 as of October 31, 2026. Vacant Senate seats for which no election or special election to fill the seat is scheduled to take place in November 2026 as of October 31, 2026 will be treated as held by the party affiliation of the most recent member to hold that seat. The House seat count includes all House elections in the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th Congress. Where a Senate or House seat is decided by a runoff, the runoff result will determine attribution of that seat, even if it takes place after November 2026.
For seats contested in the specified election, seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation, or vacates their seat, between election day and the formal organization of Congress, the seat is attributed to the party under which the member was elected.
For seats not contested in the specified election, seats are attributed to the party that holds the seat as of the date of the election. If a current sitting member of the U.S. Senate who is not up for election changes party affiliation or vacates their seat after the date of the election, the seat is attributed to the party under which the member was affiliated at the time of the election.
Senate and House members elected as independents who formally caucus with, or, for newly elected members, who announce their intent to caucus with a party are included in that party’s count. If the caucus decisions of members of the Senate or House elected as independents cannot be determined on the date of the election, this market may remain open until the earlier of (i) an announcement from the relevant members of their intents to caucus, or (ii) January 4th, 11:59 PM ET of the following calendar year. If no such announcement is made by January 4th, 11:59 PM ET of the following calendar year, the member will not count towards the seat count of any party.
The resolution sources for this market will be official information from relevant state electoral authorities, the United States Congress, and a consensus of credible reporting.
Volume
$24,811End Date
Nov 3, 2026Market Opened
Jun 25, 2026, 1:27 PM ETResolver
0x69c47De9D...Republicans enter the 2026 midterms holding narrow majorities in both chambers, with 53 Senate seats and 218 House seats, but face structural headwinds typical for the president's party. Recent generic ballot polling shows Democrats ahead by roughly 6-7 points, consistent with historical patterns that project net Republican losses, especially in the House where numerous competitive districts remain exposed. In the Senate, Republicans defend 22 of the 35 seats up, including specials in Florida and Ohio, requiring Democrats to net four gains for control. Cook Political Report and Sabato ratings highlight toss-ups and leans favoring Democratic opportunities, while redistricting provides Republicans only a partial buffer. Primary results and candidate recruitment have not yet shifted the tight trader consensus across likely seat ranges. Upcoming fall campaign developments and economic data could widen or narrow these probabilities before November.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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