California’s congressional map, redrawn via voter-approved Proposition 50 in late 2025 and implemented for the 2026 cycle, shifted several Republican-held districts toward Democratic majorities while protecting existing Democratic seats. Analysts project net Democratic gains of three to five seats from the current 43, with the new lines favoring the party in targeted areas such as the reconfigured 1st and 22nd districts. June 2026 primary results advanced Democratic candidates in most competitive races, though a few Republican incumbents like David Valadao retain narrower paths under the top-two system. With the November general election approaching, trader consensus centers on 48 Democratic seats as the most probable outcome, reflecting the map’s structural tilt and recent primary indicators while leaving limited room for smaller or larger swings depending on turnout and candidate performance in the remaining contested districts.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated48 64%
47 11%
49+ 10.1%
46 4.9%
NEW
NEW
Nov 2, 2026
<43
<1%
43
1%
44
2%
45
2%
46
5%
47
11%
48
64%
49+
10%
48 64%
47 11%
49+ 10.1%
46 4.9%
NEW
NEW
Nov 2, 2026
<43
$91 Vol.
<1%
43
$91 Vol.
1%
44
$91 Vol.
2%
45
$91 Vol.
2%
46
$410 Vol.
5%
47
$2,158 Vol.
11%
48
$2,215 Vol.
64%
49+
$177 Vol.
10%
This market will resolve according to the number of seats in the US House of Representatives won by the Democratic Party in California in the 2026 United States midterm election.
All California US House of Representatives elections held as part of the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th congress are included. Special elections to fill a vacancy for the remainder of an unexpired term are not included, whether or not held concurrently with the 2026 United States midterm election. Runoffs for qualifying elections will determine attribution of the relevant seat.
Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation or vacates their seat after the date of the 2026 United States midterm election, the seat is attributed to the party under which the member was elected.
Members of the House elected as independents who formally caucus, or who announce their intent to caucus, with a party prior to the date of the 2026 United States midterm election are included in that party’s count. If the caucus decisions of relevant members of the US House of Representatives elected as independents cannot be determined as of the date of the 2026 United States midterm 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.California’s congressional map, redrawn via voter-approved Proposition 50 in late 2025 and implemented for the 2026 cycle, shifted several Republican-held districts toward Democratic majorities while protecting existing Democratic seats. Analysts project net Democratic gains of three to five seats from the current 43, with the new lines favoring the party in targeted areas such as the reconfigured 1st and 22nd districts. June 2026 primary results advanced Democratic candidates in most competitive races, though a few Republican incumbents like David Valadao retain narrower paths under the top-two system. With the November general election approaching, trader consensus centers on 48 Democratic seats as the most probable outcome, reflecting the map’s structural tilt and recent primary indicators while leaving limited room for smaller or larger swings depending on turnout and candidate performance in the remaining contested districts.
This market will resolve according to the number of seats in the US House of Representatives won by the Democratic Party in California in the 2026 United States midterm election.
All California US House of Representatives elections held as part of the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th congress are included. Special elections to fill a vacancy for the remainder of an unexpired term are not included, whether or not held concurrently with the 2026 United States midterm election. Runoffs for qualifying elections will determine attribution of the relevant seat.
Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation or vacates their seat after the date of the 2026 United States midterm election, the seat is attributed to the party under which the member was elected.
Members of the House elected as independents who formally caucus, or who announce their intent to caucus, with a party prior to the date of the 2026 United States midterm election are included in that party’s count. If the caucus decisions of relevant members of the US House of Representatives elected as independents cannot be determined as of the date of the 2026 United States midterm 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.
All California US House of Representatives elections held as part of the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th congress are included. Special elections to fill a vacancy for the remainder of an unexpired term are not included, whether or not held concurrently with the 2026 United States midterm election. Runoffs for qualifying elections will determine attribution of the relevant seat.
Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation or vacates their seat after the date of the 2026 United States midterm election, the seat is attributed to the party under which the member was elected.
Members of the House elected as independents who formally caucus, or who announce their intent to caucus, with a party prior to the date of the 2026 United States midterm election are included in that party’s count. If the caucus decisions of relevant members of the US House of Representatives elected as independents cannot be determined as of the date of the 2026 United States midterm 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: Aug 11, 2026, 10:18 AM ET
Volume
$5,325End Date
Nov 3, 2026Market Opened
Aug 11, 2026, 10:18 AM ETResolver
0x69c47De9D...This market will resolve according to the number of seats in the US House of Representatives won by the Democratic Party in California in the 2026 United States midterm election.
All California US House of Representatives elections held as part of the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th congress are included. Special elections to fill a vacancy for the remainder of an unexpired term are not included, whether or not held concurrently with the 2026 United States midterm election. Runoffs for qualifying elections will determine attribution of the relevant seat.
Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation or vacates their seat after the date of the 2026 United States midterm election, the seat is attributed to the party under which the member was elected.
Members of the House elected as independents who formally caucus, or who announce their intent to caucus, with a party prior to the date of the 2026 United States midterm election are included in that party’s count. If the caucus decisions of relevant members of the US House of Representatives elected as independents cannot be determined as of the date of the 2026 United States midterm 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.California’s congressional map, redrawn via voter-approved Proposition 50 in late 2025 and implemented for the 2026 cycle, shifted several Republican-held districts toward Democratic majorities while protecting existing Democratic seats. Analysts project net Democratic gains of three to five seats from the current 43, with the new lines favoring the party in targeted areas such as the reconfigured 1st and 22nd districts. June 2026 primary results advanced Democratic candidates in most competitive races, though a few Republican incumbents like David Valadao retain narrower paths under the top-two system. With the November general election approaching, trader consensus centers on 48 Democratic seats as the most probable outcome, reflecting the map’s structural tilt and recent primary indicators while leaving limited room for smaller or larger swings depending on turnout and candidate performance in the remaining contested districts.
This market will resolve according to the number of seats in the US House of Representatives won by the Democratic Party in California in the 2026 United States midterm election.
All California US House of Representatives elections held as part of the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th congress are included. Special elections to fill a vacancy for the remainder of an unexpired term are not included, whether or not held concurrently with the 2026 United States midterm election. Runoffs for qualifying elections will determine attribution of the relevant seat.
Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation or vacates their seat after the date of the 2026 United States midterm election, the seat is attributed to the party under which the member was elected.
Members of the House elected as independents who formally caucus, or who announce their intent to caucus, with a party prior to the date of the 2026 United States midterm election are included in that party’s count. If the caucus decisions of relevant members of the US House of Representatives elected as independents cannot be determined as of the date of the 2026 United States midterm 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.
All California US House of Representatives elections held as part of the 2026 United States midterm election that elect voting members and determine representation in the upcoming 120th congress are included. Special elections to fill a vacancy for the remainder of an unexpired term are not included, whether or not held concurrently with the 2026 United States midterm election. Runoffs for qualifying elections will determine attribution of the relevant seat.
Seats are attributed to the party under which the member was elected. If a member-elect changes party affiliation or vacates their seat after the date of the 2026 United States midterm election, the seat is attributed to the party under which the member was elected.
Members of the House elected as independents who formally caucus, or who announce their intent to caucus, with a party prior to the date of the 2026 United States midterm election are included in that party’s count. If the caucus decisions of relevant members of the US House of Representatives elected as independents cannot be determined as of the date of the 2026 United States midterm 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
$5,325End Date
Nov 3, 2026Market Opened
Aug 11, 2026, 10:18 AM ETResolver
0x69c47De9D...California’s congressional map, redrawn via voter-approved Proposition 50 in late 2025 and implemented for the 2026 cycle, shifted several Republican-held districts toward Democratic majorities while protecting existing Democratic seats. Analysts project net Democratic gains of three to five seats from the current 43, with the new lines favoring the party in targeted areas such as the reconfigured 1st and 22nd districts. June 2026 primary results advanced Democratic candidates in most competitive races, though a few Republican incumbents like David Valadao retain narrower paths under the top-two system. With the November general election approaching, trader consensus centers on 48 Democratic seats as the most probable outcome, reflecting the map’s structural tilt and recent primary indicators while leaving limited room for smaller or larger swings depending on turnout and candidate performance in the remaining contested districts.
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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